参考设计
(160)
PMP11303 High Efficiency 350W AC/DC Power Supply Reference Design | TI.com
PMP11303: PMP11303 is high-efficiency AC/DC power supply reference design with universal AC input and 25V/13.5A and 12V/1A outputs. LLC+PFC combo IC UCC29950 is applied for the main power stages with 25V/13.5A output while UCC28730 is applied for the auxiliary power with 12V/1A output. This design has low no load power comsumption (152mW@230VAC) and over 93% peak efficiency. This design also meet 80PLUS Gold requirement for 115VAC Internal power supplies.
PMP7451 36V-75VDC Input, 12V/10A Active Clamp Forward, 1/8th Brick Form Factor | TI.com
PMP7451: This reference design generates a 12V/10A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD18531Q5A, implemented as self-driven synchronous rectifiers, provide for a highly efficient design. This design is laid out in a standard 1/8th brick footprint and includes enable, remote sense, and output overvoltage features.
Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC
PMP10110.2: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.2: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
PMP5666 18V to 60Vin to +/-12V, 13W | TI.com
PMP5666: The PMP5666 is a two outputs, +/-12V (+800mA and -250mA), isolated flyback working in continuous conduction mode thus reducing peak currents. The loop is closed to the +12V main output. The input voltage range is 18V…60V.
AC Input, 6 Channel LED Strings with 30W Output Reference Design - PMP4484.8 - TI Tool Folder
PMP4484: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
Class 3- Mulitple Output, High Efficiency Flyback Converter for PoE Applications
PMP8408: This converter is used for Class 3 PoE applications where high efficiency and multiple outputs are required. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications such as IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
PMP8021 Universal supply source - 12VAC / 12VDC to 300mA SEPIC converter for MR16 / AR111 (3&4 LEDs / 10V ~1 | TI.com
PMP8021: The main purpose of this reference design is to demonstrate a very good compatibility of Power source SEPIC topology LED driver based on TPS92560. This LED driver is designed for converting a power source DC, AC & E-transformer to a regulated LED current. The operating conditions and performance of the reference design are as follows: 12VDC, or 12Vac / 50Hz 60Hz, or 12VAC E-transformer, Output Power 3 ~ 4W, 10 ~13V LED voltage , 300mA Regulated LED Current , 75% Typical System Efficiency, High Power Factor > 0.9, Output Short-Circuit and output Open-Circuit Protection.
AC Input, 6 Channel LED Strings with 30W Output Reference Design - PMP4484.6 - TI Tool Folder
PMP4484: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
PMP4405 AC Input, Dual Output Power Supply Reference Design | TI.com
PMP4405: The PMP4405 reference design uses the UCC28740 Flyback controller with valley-switching controller to generate dual DC output 5V/2A and 26V/0.3A from a universal AC input. The design is suited for auxiliary power for industrial applications and appliances. The design is fully tested and compliant with EMI regulations
PMP7391 380VDC Input, 24V/170W Active Clamp Forward Reference Design | TI.com
PMP7391: This reference design uses the UCC2894 to control an active clamp forward converter that generates an isolated 24 V at 7 A from a 380-VDC input. This supply is intended to be used with a PFC boost front end and requires an external 12-V bias voltage for housekeeping on the primary side. This supply is up to 91% efficient at full load.
PMP4484 AC Input, 6 Channel LED Strings with 30W Output Reference Design | TI.com
PMP4484: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
24V@2A, 5V@0.6A PFC Flyback
PMP5688.2: This Buck converter accepts the 24V input from PMP5688.1 and supplies the digital part of the load in LED digital architectures.
85-265Vin, 5Vout, 1Aout, AC-DC Fly-Buck Converter Reference Design
PMP10834: The PMP10834RevA reference design is a compact and thermally efficient design intended to step down a wide range of AC inputs (85VAC to 265VAC). This non-isolated Flybuck design incorporates the UCC28C42 PWM with an optocoupler feedback to provide 1% output voltage regulation. All the circuit components (including magnetics) are standard parts.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.6: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
Quasi-Resonant Isolated Flyback 85-265VACin, 18V/830mA
PMP4717: This PMP4717 is a general pourpose quasi-resonant isolated flyback, starting from universal line and delivering 18V @ 830mA. Particular attention to light load efficiency resulted in 54mW losses at no load and 115Vac input.
85-265VACin, 24V/0.7A, 5V/0.25A
PMP5536: The PMP5536 is a quasi-resonant isolated flyback; the input voiltage is the universal range and two outputs provide 5V @ 250mA, from an LDO, and a regulated 24V @ 700mA, 2.5A peak for 30milliseconds.
36V-75VDC Input, 12V/10A Active Clamp Forward, 1/8th Brick Form Factor
PMP7451: This reference design generates a 12V/10A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD18531Q5A, implemented as self-driven synchronous rectifiers, provide for a highly efficient design. This design is laid out in a standard 1/8th brick footprint and includes enable, remote sense, and output overvoltage features.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.8: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
PMP4405 AC Input, Dual Output Power Supply Reference Design | TI.com
PMP4405: The PMP4405 reference design uses the UCC28740 Flyback controller with valley-switching controller to generate dual DC output 5V/2A and 26V/0.3A from a universal AC input. The design is suited for auxiliary power for industrial applications and appliances. The design is fully tested and compliant with EMI regulations
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.4: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
PMP4484 AC Input, 6 Channel LED Strings with 30W Output Reference Design | TI.com
PMP4484: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
PMP11451 USB-IF Certified USB Type-C™ DFP 20V/3A/60W Out, Universal AC Input Reference Design | TI.com
PMP11451: This power reference design provides up to 20 V/60 W over USB Type-C from a universal AC input range of 85 to 265 VAC for charger applications. The UCC24636 synchronous rectifier driver allows this design to provide 91% average efficiency. A daughter card provides the PD port control over the USB Type-C output connector. The required companion daughter card for this reference design is PMP11455. This design is USB-IF certified as a captive-cable power brick.
PMP4472 AC Input, 5V/3.3V2A Cascaded Power Supply Reference Design | TI.com
PMP4472: The PMP4472 is a power reference design with a high AC input, 5Vout, followed by a DC isolated output of 3.3V at 2A. It implements a high efficiency controller UCC28740 to provide 5V bus voltage and a step-Down Converter TPS54228.The design achieves good line and load regulation as well as good dynamic response and low output ripple voltage.
PMP5687 150W 51.5V Bus Voltage Generator | TI.com
PMP5687: A transition mode (TM) Boost PFC and a TM Buck deliver from high line a clean 80mA current to a LED string, max. voltage 312V. The PCB board has been developed to fit into a T8 fluorescent tube, suitable for retrofit purpose. A PWM dimming input is also included.
PMP10164 Universal AC Input, 10.5V/1.8A DC Output, Isolated Synchronous Flyback Converter Reference Design | TI.com
PMP10164: The PMP10164 reference design supplies 10.5V@1.8A from universal AC mains; the isolated Flyback topology is the most used for low power range due to single magnetic component. Since the load is a power line communication chip, a fixed frequency modulation has been chosen. The controller LM5021 performs also pulse skip mode thus improving efficiency at light load. A synchronous rectification controller UCC24630 has been employed to increase the efficiency and the thermal performance.
PMP11303 High Efficiency 350W AC/DC Power Supply Reference Design | TI.com
PMP11303: PMP11303 is high-efficiency AC/DC power supply reference design with universal AC input and 25V/13.5A and 12V/1A outputs. LLC+PFC combo IC UCC29950 is applied for the main power stages with 25V/13.5A output while UCC28730 is applied for the auxiliary power with 12V/1A output. This design has low no load power comsumption (152mW@230VAC) and over 93% peak efficiency. This design also meet 80PLUS Gold requirement for 115VAC Internal power supplies.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.1: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
18V to 60Vin to +/-12V, 13W
PMP5666.1: The PMP5666 is a two outputs, +/-12V (+800mA and -250mA), isolated flyback working in continuous conduction mode thus reducing peak currents. The loop is closed to the +12V main output. The input voltage range is 18V…60V.
PMP10375 335W Single Stage LLC-SRC Converter Reference Design | TI.com
PMP10375: The PMP10375 reference design is a single stage LLC series resonant converter (SRC), producing up to a 335W output using UCC25600 resonant controller. With the use of single stage LLC-SRC, the converter efficiency goes up to 90% at 335W full output power with 120VAC input.
High Efficiency 350W AC/DC Power Supply Reference Design
PMP11303.1: PMP11303 is high-efficiency AC/DC power supply reference design with universal AC input and 25V/13.5A and 12V/1A outputs. LLC+PFC combo IC UCC29950 is applied for the main power stages with 25V/13.5A output while UCC28730 is applied for the auxiliary power with 12V/1A output. This design has low no load power comsumption (152mW@230VAC) and over 93% peak efficiency. This design also meet 80PLUS Gold requirement for 115VAC Internal power supplies.
AC Input, 5V/3.3V2A Cascaded Power Supply Reference Design
PMP4472.2: The PMP4472 is a power reference design with a high AC input, 5Vout, followed by a DC isolated output of 3.3V at 2A. It implements a high efficiency controller UCC28740 to provide 5V bus voltage and a step-Down Converter TPS54228.The design achieves good line and load regulation as well as good dynamic response and low output ripple voltage.
PMP5967 400VDCin, 12V@460W, LLC with Synchronous Rectifiers | TI.com
PMP5967: The PMP5967 reference design provides a 12V/38A output with over 94% efficiency from a 380VDC input. This design uses the UCC25600 to control the resonant LLC converter. The UCC24610 synchronous rectifier controller is used to control two banks of CSD18501Q5A MOSFETs, eliminating the need for heat sinks on the output rectifiers.
PMP10110 Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC | TI.com
PMP10110: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
PMP10145 38W Offline AC/DC Transition Mode Synchronous Flyback Converter Reference Design | TI.com
PMP10145: The PMP10145 reference design uses the UCC28610 flyback controller for the transition mode flyback topology. It generates an isolated output (9V@4.22A) from a wide AC input voltage range (80VAC - 291VAC). The controller maintains discontinuous mode operation and valley switching over the entire operating range. The UCC24630 synchronous rectifier controller provides good efficiency at heavy loads.
USB-C DFP + 5V2A Power Bank With Input Fast Charger Reference Design
PMP11536: PMP11536 is a power bank reference design with a USB typc C DFP plus a USB type A port employing the boost mode of a Maxcharger. Fast charger input is also supported to save more charging time. It can detect the input port attach/detach events automatically, as well as the output ports.
PMP10375 335W Single Stage LLC-SRC Converter Reference Design | TI.com
PMP10375: The PMP10375 reference design is a single stage LLC series resonant converter (SRC), producing up to a 335W output using UCC25600 resonant controller. With the use of single stage LLC-SRC, the converter efficiency goes up to 90% at 335W full output power with 120VAC input.
PMP10478 85 to 265VAC Input 5V@30W Dual Port Charger For Tablets and Smart Phones Reference Design | TI.com
PMP10478: This reference design is capable of charging two devices at 2.5A each with over 82% efficiency. The UCC24610 synchronous rectifier controller and CSD17312Q5 FET reduce the rectifier loss and provide high efficiency with a minimal increase in cost. The TPS2561A provides accurate and independent current limit protection for each port. The TPS2513 communicates with the mobile device under charge to ensure that the charger is accepted by most phone and tablet models. This compact design consumes a volume of only 2.15" x 1.7" x 1.0".
Class 1 Mulitple Output High Efficiency Flyback Converter for PoE Applications Reference Design
PMP8752.1: This converter is used for Class 1 PoE applications where high-efficiency and multiple-outputs are required. The multi-outputs for this design are 3.3V/0.7A, 5V/0.145A, 3.3V/1.5A. The flyback converter with synchronous rectifier provides excellent efficiency, and small size for PoE applications, such as an IP phone solution. The TPS23785B contains both the PoE powered device and the PWM controller functions.
Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC - PMP10110.1 - TI Tool Folder
PMP10110: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
Flyback, Linear Regulator for Medical Pack (5V @ 440mA)
PMP2187.2: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
PMP4466 Universal AC Input to 5V 3A Output Reference Design DOE6 and CoC V5 Tier 2 Compliant | TI.com
PMP4466: The PMP4466 is an AC input to 5V 3A output reference design for high current charger applications, such as USB Type-C. The topology is Synchronous Rectified valley switched DCM Flyback which uses the UCC28740 and UCC24636. Good regulation and dynamic performance is achieved by using the secondary side regulation controller UCC28740. Also Volt-Second balancing SR controller UCC24636 is adopted in the design to improve the efficiency. The solution easily exceeds DoE Level VI and EU CoC V5 Tier-2 standards.
PMP11254 Class 4 PoE Flyback Converter (12V@2.125A) Reference Design | TI.com
PMP11254: The flyback topology with diode rectification provides a low cost solution for Class 4 PoE applications. The TPS23751 is a combination PoE PD controller and PWM controller, saving cost and space. This converter is well suited for PoE applications such as security cameras and wireless access points.
PMP6961 220V-400VDC Input, 12V/100W Active Clamp Forward | TI.com
PMP6961: This reference design generates an isolated 12V/100W output from a high voltage DC input. This design is intended to operate from the output of a PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for over 91% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
TIDM-SOLARUINV Grid-tied Solar Micro Inverter with MPPT | TI.com
TIDM-SOLARUINV: This design is a digitally-controlled, grid-tied, solar micro inverter with maximum power point tracking (MPPT). Solar micro inverters are an emerging segment of the solar power industry. Rather than linking every solar panel in an installation to a central inverter, solar micro inverter-based installations link smaller, or “micro,” inverters individually to each solar panel. This configuration lends itself to many benefits, including elimination of partial shading conditions, increased system efficiency, improved reliability and greater modularity. For this design, a C2000™ Piccolo™ TMS320F28035 microcontroller (MCU) is the digital controller for the complete inverter, including control of the power stages, MPPT, and grid-tie synchronization. The power conversion stages include 1) an active clamp fly-back DC/DC converter with secondary voltage multiplier and 2) a grid-tied, DC/AC inverter. The design achieves 93 percent peak efficiency and less than 4 percent total harmonic distortion, providing more power output per solar panel, reducing detrimental heat dissipation, and increasing system longevity.
PMP10666 Low Vin Flyback Reference Design for High Voltage Laser Flash Drive | TI.com
PMP10666: PMP10666 is a 12W isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 100mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz. This design was built on a 2 layer board and is a simple, low-BOM-count, and low-cost design providing an isolated output.
Universal supply source - 12VAC / 12VDC to 300mA SEPIC converter for MR16 / AR111 (3&4 LEDs / 10V ~1
PMP8021: The main purpose of this reference design is to demonstrate a very good compatibility of Power source SEPIC topology LED driver based on TPS92560. This LED driver is designed for converting a power source DC, AC & E-transformer to a regulated LED current. The operating conditions and performance of the reference design are as follows: 12VDC, or 12Vac / 50Hz 60Hz, or 12VAC E-transformer, Output Power 3 ~ 4W, 10 ~13V LED voltage , 300mA Regulated LED Current , 75% Typical System Efficiency, High Power Factor > 0.9, Output Short-Circuit and output Open-Circuit Protection.
85 to 265VAC Input 12V@3A High Efficiency Adapator Reference Design
PMP9715: This reference design provides an isolated 12V/36W output from a universal AC input range with over 89% peak efficiency. The UCC24610 synchronous rectifier controller and CSD19531Q5A FET reduce the rectifier loss and provide high efficiency with a minimal increase in cost. The UCC28740 flyback controller uses a combination of peak current modulation and frequency modulation to maintain excellent efficiency at lighter loads and minimize no load power consumption. The current regulation feature of the UCC28740 provides accurate current limit protection. This compact design consumes a volume of only 2.0" x 2.0" x 0.75".
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.3: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
AC Input, Dual Output Power Supply Reference Design - PMP4405.1 - TI Tool Folder
PMP4405: The PMP4405 reference design uses the UCC28740 Flyback controller with valley-switching controller to generate dual DC output 5V/2A and 26V/0.3A from a universal AC input. The design is suited for auxiliary power for industrial applications and appliances. The design is fully tested and compliant with EMI regulations
Flyback, Linear Regulator for Medical Pack (5.75V @ 10mA)
PMP2187.8: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
PMP10215 Universal Input to 3.3V, 12V, 36V, 200W Continuous PSU for Class-D Amplifier Reference Design | TI.com
PMP10215: This power module generates all voltages to supply a class-D audio amplifier. The main output voltage is 36V and delivers 200W continuously and 840W peak. The first stage is a power-factor corrected Boost. A Flyback converter supplies 12V on primary side as well as 12V@300mA and 3.3V@200mA on secondary side. A hardware switch + remote input let the converter enter in stand-by mode: in this status the 36V output is disabled and 12V, 3.3V are "always on". This way the stand-by power is reduced down to 150mW @ 115Vac and 270mW @ 230Vac. A second digital input switches the main output voltage from 36V to 18V, allowing low current consumption mode in case of the audio amplifier needs less power.
Grid-tied Solar Micro Inverter with MPPT
TIDM-SOLARUINV: This design is a digitally-controlled, grid-tied, solar micro inverter with maximum power point tracking (MPPT). Solar micro inverters are an emerging segment of the solar power industry. Rather than linking every solar panel in an installation to a central inverter, solar micro inverter-based installations link smaller, or “micro,” inverters individually to each solar panel. This configuration lends itself to many benefits, including elimination of partial shading conditions, increased system efficiency, improved reliability and greater modularity. For this design, a C2000™ Piccolo™ TMS320F28035 microcontroller (MCU) is the digital controller for the complete inverter, including control of the power stages, MPPT, and grid-tie synchronization. The power conversion stages include 1) an active clamp fly-back DC/DC converter with secondary voltage multiplier and 2) a grid-tied, DC/AC inverter. The design achieves 93 percent peak efficiency and less than 4 percent total harmonic distortion, providing more power output per solar panel, reducing detrimental heat dissipation, and increasing system longevity.
Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC
PMP10110.1: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
PMP8366 36V-75VDC Input, 5V/20A Active Clamp Forward, 1/8th Brick Form Factor | TI.com
PMP8366: This reference design generates a 5V/20A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17312Q5, implemented as self-driven synchronous rectifiers, provide for a highly efficient design. This design is laid out in a standard 1/8th brick footprint and includes enable, remote sense, and output overvoltage features.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.7: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
36V-75VDC Input, 5V/20A Active Clamp Forward, 1/8th Brick Form Factor
PMP8366: This reference design generates a 5V/20A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17312Q5, implemented as self-driven synchronous rectifiers, provide for a highly efficient design. This design is laid out in a standard 1/8th brick footprint and includes enable, remote sense, and output overvoltage features.
PMP10712 Low Vin, Small Form Factor Flyback Reference Design for High Voltage Laser Flash Drive | TI.com
PMP10712: PMP10712 is a 1.2W, small form factor, isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 10mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz. This design was built on a 2 layer board and is a simple, low-BOM-count, and low-cost design providing an isolated output.
High Efficiency 350W AC/DC Power Supply Reference Design
PMP11303.2: PMP11303 is high-efficiency AC/DC power supply reference design with universal AC input and 25V/13.5A and 12V/1A outputs. LLC+PFC combo IC UCC29950 is applied for the main power stages with 25V/13.5A output while UCC28730 is applied for the auxiliary power with 12V/1A output. This design has low no load power comsumption (152mW@230VAC) and over 93% peak efficiency. This design also meet 80PLUS Gold requirement for 115VAC Internal power supplies.
High Efficiency 100W Active Clamp Forward 220V-400VDC Input, 28V/ 3.6A Reference Design
PMP7453: This reference design generates an isolated 28V/100W output from a high voltage DC input. This design is intended to operate from the output of PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for over 92% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
Flyback, Linear Regulator for Medical Pack (-5V @ 10mA)
PMP2187.6: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
90VAC-400VAC Input, 12V/3W Quasi-Resonant Flyback
PMP4242: This reference design uses the UCC28600 quasi-resonant flyback controller to generate an isolated 12V/3W output from a extremely wide ranging 90VAC-400VAC input. The energy saving features of the UCC28600 allow this compact design to maintain high efficiency at heavier loads, while minimizing losses at light loads.
150W 51.5V Bus Voltage Generator
PMP5687: A transition mode (TM) Boost PFC and a TM Buck deliver from high line a clean 80mA current to a LED string, max. voltage 312V. The PCB board has been developed to fit into a T8 fluorescent tube, suitable for retrofit purpose. A PWM dimming input is also included.
High-line 185V to 265V AC input; 12 V @ 2A output Isolated Flyback AC to DC Converter
PMP7188: This power reference design uses the LM5021 AC-DC Current Mode PWM controller. The switching frequency is programmed at 130KHz in an isolated flyback topology with minimal external components and small form factor size. The design is optimized for high-line input and 12V / 2A output. High Efficiency is achieved over load range thanks to the skip cycle mode and ultra low start-up current of the LM5021 controller.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.5: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
Flyback, Linear Regulator for Medical Pack (3.3V @ 220mA)
PMP2187.4: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
335W Single Stage LLC-SRC Converter Reference Design
PMP10375.1: The PMP10375 reference design is a single stage LLC series resonant converter (SRC), producing up to a 335W output using UCC25600 resonant controller. With the use of single stage LLC-SRC, the converter efficiency goes up to 90% at 335W full output power with 120VAC input.
PMP20533 USB Type-C™ DFP 15V/3A/45W Out, Universal AC Input Reference Design | TI.com
PMP20533: The PMP20533 power reference design provides up to 15 V/45 W over USB Type-C from a universal AC input range of 85 to 265 VAC for charger applications. The UCC24636 synchronous rectifier driver allows this design to provide 91% average efficiency. The TPS25740A provides the interface between the flyback power supply and the Type-C cable. The PMP20533 has been certified as a power brick by the USB-IF (Product Test ID: 1020017).
PMP7188 High-line 185V to 265V AC input; 12 V @ 2A output Isolated Flyback AC to DC Converter | TI.com
PMP7188: This power reference design uses the LM5021 AC-DC Current Mode PWM controller. The switching frequency is programmed at 130KHz in an isolated flyback topology with minimal external components and small form factor size. The design is optimized for high-line input and 12V / 2A output. High Efficiency is achieved over load range thanks to the skip cycle mode and ultra low start-up current of the LM5021 controller.
PMP7453 High Efficiency 100W Active Clamp Forward 220V-400VDC Input, 28V/ 3.6A Reference Design | TI.com
PMP7453: This reference design generates an isolated 28V/100W output from a high voltage DC input. This design is intended to operate from the output of PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for over 92% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
Low Vin Flyback Reference Design for High Voltage Laser Flash Drive
PMP10666: PMP10666 is a 12W isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 100mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz. This design was built on a 2 layer board and is a simple, low-BOM-count, and low-cost design providing an isolated output.
Flyback, Linear Regulator for Medical Pack (5V @ 50mA)
PMP2187.3: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
Universal Supply Source - 12VAC / 12VDC to 300mA Boost Converter for MR16 / AR111 (7 LEDs / 21V) Ap
PMP8022: The main purpose of this reference design is to demonstrate a very good compatibility of Power source boost topology LED driver based on TPS92560. This LED driver is designed for converting a power source DC, AC & E-transformer to a regulated LED current. The operating conditions and performance of the reference design are as follows: 12VDC, or 12Vac / 50Hz 60Hz, or 12VAC E-transformer, Output Power 6W, 21V LED voltage , 300mA Regulated LED Current , 85% Typical System Efficiency, High Power Factor > 0.9, Output Short-Circuit and output Open-Circuit Protection.
PMP4242 90VAC-400VAC Input, 12V/3W Quasi-Resonant Flyback | TI.com
PMP4242: This reference design uses the UCC28600 quasi-resonant flyback controller to generate an isolated 12V/3W output from a extremely wide ranging 90VAC-400VAC input. The energy saving features of the UCC28600 allow this compact design to maintain high efficiency at heavier loads, while minimizing losses at light loads.
PMP20195 Off Line Power Supply for Audio Reference Design | TI.com
PMP20195: Universal line input to + and -24 V DC output designed for audio applications. The supply uses a two switch fly back topology with a low cost LM5021 controller. The supply is designed to handle 150 watts peak power required by an audio amplifier but thermally designed for the lower average power common in audio applications.
Flyback, Linear Regulator for Medical Pack (5.5V @ 500mA)
PMP2187.1: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
PMP4472 AC Input, 5V/3.3V2A Cascaded Power Supply Reference Design | TI.com
PMP4472: The PMP4472 is a power reference design with a high AC input, 5Vout, followed by a DC isolated output of 3.3V at 2A. It implements a high efficiency controller UCC28740 to provide 5V bus voltage and a step-Down Converter TPS54228.The design achieves good line and load regulation as well as good dynamic response and low output ripple voltage.
PMP4489 USB Type-C PD DFP Charger 5V/12V3A Out Adapter Reference Design | TI.com
PMP4489: The PMP4489 reference design is a dedicated USB-C PD2.0 DFP 5V/12V3A output flyback converter with secondary-side regulation UCC28740DR which provides Constant-Voltage Constant-Current feature. The design features <75mW standby power(compliant with DOE 6 &CoC V5 Tier 2 standard). Secondary voltage-second balance synchronous rectifier UCC24636 enables high efficiency with maximum SR conduction time . TPS25740 implements a fully compliant USB Power Delivery 2.0 provider and Type-C downward facing port(DFP).
PMP9715 85 to 265VAC Input 12V@3A High Efficiency Adapator Reference Design | TI.com
PMP9715: This reference design provides an isolated 12V/36W output from a universal AC input range with over 89% peak efficiency. The UCC24610 synchronous rectifier controller and CSD19531Q5A FET reduce the rectifier loss and provide high efficiency with a minimal increase in cost. The UCC28740 flyback controller uses a combination of peak current modulation and frequency modulation to maintain excellent efficiency at lighter loads and minimize no load power consumption. The current regulation feature of the UCC28740 provides accurate current limit protection. This compact design consumes a volume of only 2.0" x 2.0" x 0.75".
400VDCin, 12V@460W, LLC with Synchronous Rectifiers
PMP5967: The PMP5967 reference design provides a 12V/38A output with over 94% efficiency from a 380VDC input. This design uses the UCC25600 to control the resonant LLC converter. The UCC24610 synchronous rectifier controller is used to control two banks of CSD18501Q5A MOSFETs, eliminating the need for heat sinks on the output rectifiers.
PMP8020 TPS92560 High Power 20W Boost LED Driver Reference Design | TI.com
PMP8020: The main purpose of this reference design is to demonstrate a very good compatibility of Power source boost topology LED driver based on TPS92560. This LED driver is designed for converting a power source DC, AC & E-transformer to a regulated LED current. The operating conditions and performance of the reference design are as follows: 12VDC, or 12Vac / 50Hz 60Hz, or 12VAC E-transformer, Output Power 20W, 30-40V LED voltage , 500mA Regulated LED Current , 86% Typical System Efficiency, High Power Factor > 0.9, and output Open-Circuit Protection.
85 to 265VAC Input 5V@30W Dual Port Charger For Tablets and Smart Phones Reference Design
PMP10478: This reference design is capable of charging two devices at 2.5A each with over 82% efficiency. The UCC24610 synchronous rectifier controller and CSD17312Q5 FET reduce the rectifier loss and provide high efficiency with a minimal increase in cost. The TPS2561A provides accurate and independent current limit protection for each port. The TPS2513 communicates with the mobile device under charge to ensure that the charger is accepted by most phone and tablet models. This compact design consumes a volume of only 2.15" x 1.7" x 1.0".
PMP10834 85-265Vin, 5Vout, 1Aout, AC-DC Fly-Buck Converter Reference Design | TI.com
PMP10834: The PMP10834RevA reference design is a compact and thermally efficient design intended to step down a wide range of AC inputs (85VAC to 265VAC). This non-isolated Flybuck design incorporates the UCC28C42 PWM with an optocoupler feedback to provide 1% output voltage regulation. All the circuit components (including magnetics) are standard parts.
Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC
PMP10110.4: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
Class 3- Low Cost 12V/1A Flyback Converter for PoE Applications Reference Design
PMP8803: This converter is used for Class 3 PoE applications. The flyback converter with diode rectifier offers low cost while still achieving good efficiency. This converter is well sutied for PoE applications such as IP security cameras. The TPS23753A contains both the PoE Powered Device and the PWM controller functions.
AC Input, Dual Output Power Supply Reference Design
PMP4405.1: The PMP4405 reference design uses the UCC28740 Flyback controller with valley-switching controller to generate dual DC output 5V/2A and 26V/0.3A from a universal AC input. The design is suited for auxiliary power for industrial applications and appliances. The design is fully tested and compliant with EMI regulations
AC Input, Dual Output Power Supply Reference Design
PMP4405.2: The PMP4405 reference design uses the UCC28740 Flyback controller with valley-switching controller to generate dual DC output 5V/2A and 26V/0.3A from a universal AC input. The design is suited for auxiliary power for industrial applications and appliances. The design is fully tested and compliant with EMI regulations
PMP5536 85-265VACin, 24V/0.7A, 5V/0.25A | TI.com
PMP5536: The PMP5536 is a quasi-resonant isolated flyback; the input voiltage is the universal range and two outputs provide 5V @ 250mA, from an LDO, and a regulated 24V @ 700mA, 2.5A peak for 30milliseconds.
335W Single Stage LLC-SRC Converter Reference Design
PMP10375.2: The PMP10375 reference design is a single stage LLC series resonant converter (SRC), producing up to a 335W output using UCC25600 resonant controller. With the use of single stage LLC-SRC, the converter efficiency goes up to 90% at 335W full output power with 120VAC input.
PMP5666 18V to 60Vin to +/-12V, 13W | TI.com
PMP5666: The PMP5666 is a two outputs, +/-12V (+800mA and -250mA), isolated flyback working in continuous conduction mode thus reducing peak currents. The loop is closed to the +12V main output. The input voltage range is 18V…60V.
120VAC Input, 48V/12V 32W Flyback Reference Design
PMP9727.1: The PMP9727 reference design uses the UCC28740 flyback controller to generate both a 12V/1A and 48V/0.4A outputs from a 120V AC input. The valley switching of the UCC28740 allows this low-cost design to provide an efficiency of over 89%; no load losses are less than 80mW.
Low Vin, Small Form Factor Flyback Reference Design for High Voltage Laser Flash Drive
PMP10712: PMP10712 is a 1.2W, small form factor, isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 10mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz. This design was built on a 2 layer board and is a simple, low-BOM-count, and low-cost design providing an isolated output.
AC Input, 6 Channel LED Strings with 30W Output Reference Design
PMP4484.9: The PMP4484 is a power reference design with AC input. It is a isolated LED driver, provides 6 channel LED outputs with PWM dimming. It implements a high PF flyback controller UCC28810 to output DC 40V, the Constant Current Buck LED Driver LM3414HV downs the voltage to 30V to drive LED. The degisn also provides 3.3Vo to MCU by the buck conller LMR16006, and a 10Vo to RS485. The system achieves high efficiency and high PF.
Universal AC Input, 10.5V/1.8A DC Output, Isolated Synchronous Flyback Converter Reference Design
PMP10164: The PMP10164 reference design supplies 10.5V@1.8A from universal AC mains; the isolated Flyback topology is the most used for low power range due to single magnetic component. Since the load is a power line communication chip, a fixed frequency modulation has been chosen. The controller LM5021 performs also pulse skip mode thus improving efficiency at light load. A synchronous rectification controller UCC24630 has been employed to increase the efficiency and the thermal performance.
AC Input, 5V/3.3V2A Cascaded Power Supply Reference Design
PMP4472.1: The PMP4472 is a power reference design with a high AC input, 5Vout, followed by a DC isolated output of 3.3V at 2A. It implements a high efficiency controller UCC28740 to provide 5V bus voltage and a step-Down Converter TPS54228.The design achieves good line and load regulation as well as good dynamic response and low output ripple voltage.
PMP10110 Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC | TI.com
PMP10110: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
Universal AC Input to 30Vmax@6A Lead-acid Battery Charger Reference Design with PFC
PMP10110.3: The PMP10110 design converts the universal input AC voltage to isolated 17V...30V@6A and is suitable to charge lead-acid or Li-Ion batteries. The converter is a constant-V and constant-I genarator and the set points for output voltage (charge level) and current are settable by means of two PWM signals. The first stage is a PFC boost while the isolation ad current stabilization is performed by DC-DC half bridge stage. An isolated quasi-resonant flyback converter supplies all internal voltages and provide some extra current for external loads (fan or analog section), in details 12V@400mA and 5V@300mA.
300-W PFC plus Resonant LLC Half-Bridge controller off-line AC/DC PSU Module
TIDA-00520: This is a high efficiency 300-W AC/DC reference design. The design can be biased from external supply or configured for Self-Bias Auxillary mode for operation directly off the AC mains. The PFC is fully internally compensated, reducing design complexity and pcb design. Protections include 3-level OCP, line brown-out, PFC Bulk OVP plus UVP and OTP.
220V-400VDC Input, 5V/100W Active Clamp Forward
PMP7413: This reference design generates an isolated 5V/100W output from a high voltage DC input. This design is intended to operate from the output of a PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for 91% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
220V-400VDC Input, 12V/100W Active Clamp Forward
PMP6961: This reference design generates an isolated 12V/100W output from a high voltage DC input. This design is intended to operate from the output of a PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for over 91% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
380VDC Input, 24V/170W Active Clamp Forward
PMP7391: This reference design uses the UCC2894 to control an active clamp forward converter that generates an isolated 24V at 7A from a 380VDC input. This supply is intended to be used with a PFC boost front-end and requires an external 12V bias voltage for house-keeping on the primary side. This supply is over 91% efficient at full load.
PMP7413 220V-400VDC Input, 5V/100W Active Clamp Forward | TI.com
PMP7413: This reference design generates an isolated 5V/100W output from a high voltage DC input. This design is intended to operate from the output of a PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for 91% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
Flyback, Linear Regulator for Medical Pack (4V @ 250mA)
PMP2187.7: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
40V-60V Input 12V/5A 95% Efficient Active Clamp Forward
PMP3026: The PMP3026 reference design provides 12V at 5A (60W) from a 40V-60Vdc telecom input with up to 95% efficiency. This design uses the UCC2897A active clamp controller along with synchronous rectifiers to achieve very high efficiency.
PMP8022 Universal Supply Source - 12VAC / 12VDC to 300mA Boost Converter for MR16 / AR111 (7 LEDs / 21V) Ap | TI.com
PMP8022: The main purpose of this reference design is to demonstrate a very good compatibility of Power source boost topology LED driver based on TPS92560. This LED driver is designed for converting a power source DC, AC & E-transformer to a regulated LED current. The operating conditions and performance of the reference design are as follows: 12VDC, or 12Vac / 50Hz 60Hz, or 12VAC E-transformer, Output Power 6W, 21V LED voltage , 300mA Regulated LED Current , 85% Typical System Efficiency, High Power Factor > 0.9, Output Short-Circuit and output Open-Circuit Protection.
Quasi Resonant Flyback, 80-440V AC, 48V@1A using UCC28600 up to 91% efficiency
PMP7019.1: The PMP7019 reference design is a wide-input Quasi Resonant Flyback designed for industrial applications. It uses the UCC28600 controller to an isolated 48V/1A output from an 80Vac to 440Vac input range. The quasi-resonant switching of the UCC28600 allows this design to achieve a maximum load efficiency up to 91%.
120VAC Input, 48V/12V 32W Flyback Reference Design
PMP9727.2: The PMP9727 reference design uses the UCC28740 flyback controller to generate both a 12V/1A and 48V/0.4A outputs from a 120V AC input. The valley switching of the UCC28740 allows this low-cost design to provide an efficiency of over 89%; no load losses are less than 80mW.
Flyback, Linear Regulator for Medical Pack (2.5 @ 2mA)
PMP2187.5: This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
TPS92560 High Power 20W Boost LED Driver Reference Design
PMP8020: The main purpose of this reference design is to demonstrate a very good compatibility of Power source boost topology LED driver based on TPS92560. This LED driver is designed for converting a power source DC, AC & E-transformer to a regulated LED current. The operating conditions and performance of the reference design are as follows: 12VDC, or 12Vac / 50Hz 60Hz, or 12VAC E-transformer, Output Power 20W, 30-40V LED voltage , 500mA Regulated LED Current , 86% Typical System Efficiency, High Power Factor > 0.9, and output Open-Circuit Protection.
