参考设计(164)
Class 4,Efficiency-Optimized,Flyback Converter for PoE Applications
PMP6672: This reference evaluation module, featuring the TPS23754 PoE interface and DC-to-DC controller, is used for Class 4 PoE applications where high efficiency is required. Output power is 5V at 5A from either an adapter input(21.6-57VDC) or power over ethernet. in general, the efficiency gain is on the order of 3-4%.
36-60Vin, 350W Slow Drain Modulation Power Converter with PSFB ZTE and HSHB Reference Design - PMP7246.2 - TI Tool Folder
PMP7246: This is a 350W High Speed Full Bridge Phase Shift ZVT Synchronous Rectification DC/DC reference design. It is built for telecom applications to supply a RF Power Amplifier stage. The design is utilizing UCC28950 voltage mode forward and average current limitation backward converter (two quadrant converter). It can modulate output voltage from 20V to 32V within 200us (at maximum 200uF of capacitive load) – so called: slow drain modulation. The converter has full load steps capability as well. It is a very small design for high sophisticated telecom applications. The system can also be used for all other two quadrant applications. Input voltage range: 36VDC-60VDC; Output voltage: 20VDC…32VDC (adjustable); Output current: 12A (18Apeak).
Reference Design: Bipolar TFT LCD Supply Using TPS65131-Q1 and Charge Pumps - PMP9780.2 - TI Tool Folder
PMP9780: This reference design details a display power circuit which generates a bipolar voltage rail for source drivers and additional supplies for gate drivers. Charge pumps are used to generate the voltage supply for gate drivers, which makes this design easy to implement. By using only one dc-dc converter to generate four voltage rails and therefore minimizing the amount of inductances, this circuit allows small design size.
Universal AC Input 150W Single String 200V/700mA Output LLC Converter without CT
PMP4350: The reference design is a high effiency (>94%) isolated AC/DC single string output LED lighting solution for high watt (>100W) general LED lighting. The topology uses Transition Mode (TM) PFC plus LLC control, which can support PWM dimming and analog dimming on the output side. The target application for this reference design is TV LED backlight, outdoor and high-bay general LED lighting. CT is eliminated in the design and the PSR controller UCC28700 is used for aux power in order to reduce overall cost.
220W Synchronous 4 Switch Buck-Boost Converter
PMP9490: PMP9490 is a 225W four Switch Buck –Boost Design utilizing best in Class Synchronous Buck Boost Converter LM5175. The design accepts an input voltage of 9.5Vin to 20Vin and provides the outputs of 15V@15 A for Constant Voltage Output Application such as Voltage stabilizer or as Power amplifier SMPS, 10.8V to 15V@12.5A for CC/CV Battery Charger application, and 12.5 A for Constant Current LED Drive application. It features an inexpensive and more efficient solution to using discrete Buck and boost converters. The average current regulation loop of the IC at the output is used for Battery Charging profiling with no external circuit being involved.
25W, 100-264VAC Input, 0-10V Dimmable LED Driver for Downlights, Troffers and Modules
PMP6023: This is an isolated, 25W, 0-10V dimmable LED driver design with >0.9 power factor (PF) which meets or exceeds commercial lighting PF and total harmonic distortion (THD) requirements. It is well suited for integral LED luminaires, or ballasts, that use high-brightness LED emitters. This design is optimized for a 500mA (max) LED output current and LED stack voltages ranging from 45 V to 55 V.
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.
36V-72V Input 5V/20A 95% Efficient Active Clamp Forward; 1/4 Brick
PMP5364: The PMP5364 reference design provides 5V at 20A (100W) from a standard 48V telecom input with up to 95% efficiency. This design uses the UCC2897A active clamp controller along with TI NexFET synchronous rectifiers. The low Rdson of the CSD17301Q5A reduces conduction losses and die area of the synchronous rectifiers. The circuit is built in an industry standard 1/4 brick footprint.
48V Input 3.3V/30A with Output Pre-bias
PMP5997: This reference design generates a 3.3V/100W output from a standard 48V telecom input and allows for a pre-biased output. The UCC2897A controls operation of the active clamp power stage. The drive signal for the synchronous rectifiers is sent to the secondary side through an ISO7220 digital isolator. This drive signal is blanked out during startup to allow for a pre-biased output. This design achieves efficiencies over 92% and is built on a standard ¼ brick footprint.
Sync buck (5V@10)
PMP4590.2: This interleaved Buck converter can be configured as single output (interleaved) or dual output. The board has the extention feature to drive a slave unit.
350W Slow Drain Modulation Power Converter
PMP5726: The PMP5726 is 350W High Speed Full Bridge Phase Shift ZVT – Galvanic Isolated Full Bridge Synchronous Rectification DC/DC reference design. It is built for telecom applications to supply a RF Power Amplifier stage. The design is utilizing UCC28950 voltage mode forward and average current limitation backward converter (two quadrant converter). It is capable to modulate output voltage from 20V to 32V within 200us (at maximum 200uF of capacitive load) – so called: slow drain modulation. The converter has full load steps capability as well. It is a very small design for high sophisticated telecom applications. The system can be used also for every other two quadrant applications. Input voltage range: 36VDC-60VDC; Output voltage: 20VDC…32VDC (adjustable); Output current: 11.5A (18Apeak)
36Vdc-75Vdc Input, 20V @ 4A Output, Active Clamp Forward
PMP3799: The PMP3799 reference design provides an adjustible 20V output at 4A from a standard 48V telecom input with greater than 93% efficiency. This design uses the UCC2897A active clamp controller along with an ISO721 digital isolator and TPS28225 to drive synchronous rectifiers. The output voltage can be adjusted from 16V to 24V by changing a single resistor value. The circuit is built in an industry standard quarter-brick footprint.
Quad Phases Boost 12V to 28V@20A
PMP4538: The PMP4538 uses a single controller to build a 4-phase Boost converter, delivering 560W (28V@20A). An input under-voltage and over-voltage protection has been provided.
Flyback, Buck for Automotive (52V @ 0.04A)
PMP1941.2: A triple-output non-isolated flyback converter provides a regulated low voltage and two high voltage rails. A buck converter with an input transient voltage-clamping circuit produces a 5V rail. The addition of a dithering circuit creates spread-spectrum operation on the switching frequency to lower EMI, making this circuit suitable for automotive use.
Reference Design Realizing Output Current Sensing and Limit, Plug-in Detection in Power Bank
PMP9776: A power bank is a portable device that can supply USB power using stored energy in its built-in batteries. This reference design demonstrates a circuit based on the TPS61236 for the USB output port of the power-bank. The reference design features a 5V and 2.4A output capability, auto detection of a portable device plug-in, output current sensing and limiting, short circuit protection, temperature protection, and battery voltage indication.
36-60Vin, 350W Slow Drain Modulation Power Converter with PSFB ZTE and HSHB Reference Design
PMP7246.2: This is a 350W High Speed Full Bridge Phase Shift ZVT Synchronous Rectification DC/DC reference design. It is built for telecom applications to supply a RF Power Amplifier stage. The design is utilizing UCC28950 voltage mode forward and average current limitation backward converter (two quadrant converter). It can modulate output voltage from 20V to 32V within 200us (at maximum 200uF of capacitive load) – so called: slow drain modulation. The converter has full load steps capability as well. It is a very small design for high sophisticated telecom applications. The system can also be used for all other two quadrant applications. Input voltage range: 36VDC-60VDC; Output voltage: 20VDC…32VDC (adjustable); Output current: 12A (18Apeak).
Polymer TFT Display Supply
PMP2617: A multi-Buck solution, followed by a 5V USB supply and +/-25V…+/-35V generator (with a 0.5% precision on tracking) provides all voltages to a Polymer TFT display. Very low height is the main challenge.
Class 4- 33Vdc-57Vdc Input, 3.3V/7.6A Active Clamp Forward
PMP4908: The PMP4908 reference design uses the TPS23754 PoE controller to control an active clamp forward converter that delivers up to 25W at 3.3V. The CSD16406 synchronous rectifiers allow this design to achieve efficiencies over 93%.
LED driver with dimming 140V…170V@0.35A
PMP5652: The PMP5652 combines together the cascode Flyback topology (fast startup) and the constant ON time modulation to achieve high power factor and constant current driving, suitable for LED lighting application. The input voltage is the high line and a 0…10V analog input is used as dimming control voltage.
Negative Synchronous Buck -2.2V@6A
PMP5165: This “upside-down” synchronous buck regulates a -2.2V output @ 6A from a -5.2 input voltage and achieves a full load efficiency of 93%. Level shifting in the feedback is necessary to maintain regulation.
36Vdc-75Vdc Input, 5V @ 25A Output, 94% Efficient Active Clamp Forward
PMP5753: The PMP5753 reference design provides 5V at 125W from a standard 48V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with self-driven synchronous rectifiers. Texas Instruments NexFET technology is used for the synchronous rectifiers, improving the efficiency by nearly 2% over conventional MOSFETs. The output voltage can be adjusted up to 7V.
Flyback Converter (24V @ 3A) PoE Powered Device (PD)
PMP7279: The PMP7279 reference design provides 24V at 72W (3A) from a wide ranging 18VDC to 57VDC input with 92% efficiency. This design uses the TPS40210 to control a diode rectified flyback converter for a low cost and efficient design.
36 to 75VDC Input 5V/15A Active Clamp Forward 1/8 Brick Form Factor Reference Design
PMP9126: This reference design generates a 5V/15A output from a 36V to 75V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17501Q5A and CSD18502Q5B, implemented as a synchronous rectifiers, provides for a highly efficient design. This design is laid out in a standard eighth brick footprint and achieves efficiencies up to 94%. It uses only surface mount components, including ceramic output capacitors.
Dual-Channel Full-Bridge Converter (54V @ 30A) for PoE Power Sourcing (PSE)
PMP6712: PMP6712 is a phase-shifted full-bridge converter capable of delivering 1600W of isolated output power and achieving efficiency of greater than 96%. This design uses the UCC28950 controller in a dual phase master-slave configuration. An LM5017 constant on-time synchronous buck regulator provides bias power to primary and secondary-side circuits using a coupled inductor with isolated flyback winding. The isolation voltage is specified as 2250VDC, allowing this design to be used as a system supply for Power Over Ethernet and other telecommunications applications.
Reference Design: Bipolar TFT LCD Supply Using TPS65131-Q1 and Charge Pumps
PMP9780.3: This reference design details a display power circuit which generates a bipolar voltage rail for source drivers and additional supplies for gate drivers. Charge pumps are used to generate the voltage supply for gate drivers, which makes this design easy to implement. By using only one dc-dc converter to generate four voltage rails and therefore minimizing the amount of inductances, this circuit allows small design size.
Flyback, Buck for Automotive (4.5V @ 0.05A)
PMP1941.5: A TPS70501 linear regulator supplies a 4.5V output in parallel with the 5V rail. This provides a low current backup voltage when the the buck converter is disabled.
Ultrasonic Water Flow Meter Design using Time to Digital Conversion
TIDM-ULTRASONIC-FLOW-TDC: The TIDM-ULTRASONIC-FLOW-TDC is a reference design for an ultrasonic flow meter (water, gas or heat meter) with LCD built using a Time-to-Digital converter and an ultra-low power MCU. Solution includes optimized leakage detection, low power consumption, and a small form factor that are important requirements for water, heat and gas meter applications. This design also includes a high efficiency DC-DC converter for system power.
19 Watt AC Input LED Driver Reference Design
PMP3155: The PMP3155 reference design is a 19 W AC input LED Driver. The UCC3809 and TLC272 are used to control the current to the LED array dim the output according to input from a standard triac-based wall dimmer. The non isolated LED power driver achieves efficiencies around 85% for various line and dimmer setting conditions.
TPS40210 60V@1.6Anom/2Amax DCM Boost
PMP4525: A cheap and powerful 120W (96W average) boost converter delivers 60V with an input voltage of 21.6V…26.4V. The maximum output power is available by replacing the Mosfet's heat sink.
Reference Design: Bipolar TFT LCD Supply Using TPS65131-Q1 and Charge Pumps
PMP9780.0: This reference design details a display power circuit which generates a bipolar voltage rail for source drivers and additional supplies for gate drivers. Charge pumps are used to generate the voltage supply for gate drivers, which makes this design easy to implement. By using only one dc-dc converter to generate four voltage rails and therefore minimizing the amount of inductances, this circuit allows small design size.
Continuous Flyback for Voice over IP (VoIP) ringer (120V @ 40mA)
PMP1511.2: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
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.
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.
30W Isolated Synchronous Flyback Converter Reference Design
PMP10506: PMP10506 is an isolated synchronous flyback converter using the LM5122 controller IC. The design accepts an input voltage of 9Vin to 60Vin and provides an isolated output of 5Vout capable of supplying 6A of continuous current to the load.
95VAC-305VAC Input, 50W SEPIC-PFC LED Driver
PMP5112: The PMP5112 reference design uses the UCC28810 in a single-stage, PFC-SEPIC configuration to drive a 50W LED load. This supply can operate from an input ranging from 85VAC up to 305VAC. It is capable of driving LED strings from 50V up to 100V at a fixed current of 0.5A with efficiency over 90%.
Flyback, Buck for Automotive (3.7V @ 0.5A)
PMP1941.3: A triple-output non-isolated flyback converter provides a regulated low voltage and two high voltage rails. A buck converter with an input transient voltage-clamping circuit produces a 5V rail. The addition of a dithering circuit creates spread-spectrum operation on the switching frequency to lower EMI, making this circuit suitable for automotive use.
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.
Class 4- High Efficiency 12V Class 4 PoE Converter Reference Design
PMP8812: This design is a 12V/2.1A synchronous flyback converter for high efficiency PoE applications. The TPS23752 combines the Powered Device and PWM controllers in one package. Additional features are synchronous rectifier disable for improved light load efficiency and support for ulta low power sleep mode.
Reference Design: Bipolar TFT LCD Supply Using TPS65131-Q1 and Charge Pumps
PMP9780.1: This reference design details a display power circuit which generates a bipolar voltage rail for source drivers and additional supplies for gate drivers. Charge pumps are used to generate the voltage supply for gate drivers, which makes this design easy to implement. By using only one dc-dc converter to generate four voltage rails and therefore minimizing the amount of inductances, this circuit allows small design size.
Class 2, Efficiency-Optimized, Flyback Converter for PoE Applications
PMP8407.1: This reference evaluation module, featuring the TPS23785B PoE interface and DC-toDC contoller, is used for class 2 PoE applications where high effliency and multiple outputs are required. The flyback converter with synchronous reftifier provides excellent efficiency and small size for PoE applications such as IP phones. The TPS23785B contains both the PoE powered device and the PWM contoller.
Continuous Flyback for Voice over IP (VoIP) ringer (48V @ 30mA)
PMP1511.1: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
48V Vin Nominal, 100V Vout @ 1A Single-Phase Synchronous Boost Converter
PMP7933: PMP7933 is a single-phase synchronous boost converter using the LM5122 controller IC. The design accepts an input voltage of 48Vin +/-5% and provides an output voltage of 100Vout capable of supplying a maximum of 1A of current to the load. The design was built on the PMP7896 revB PCB.
Sepic, 6.0V @ 1.5A
PMP7155: A Sepic converter with wide input voltage range and an output of 6.0V @ 1.5A.
Laser and Ionization Unit
PMP2534: The PMP2534 is composed of two times active clamp forward, delivering 0…35V@10Amax, two current limit functions to protect the 3.3V and 5V outputs and some interface for a microcntroller. The active clamps are constant voltage and/or constant current controllable by means of two PWM inputs. This power supply is suitable as general bench power generator from a desktop standard PSU as source.
36-75VDC Input, 32V/3A output with Flyback configuration
PMP4992: The PMP4992 reference design provides an isolated 32V at 96W (3A) from a standard 48V telecom bus with 91% efficiency. This design uses the TPS40210 to control a diode rectified flyback converter for a low cost and efficient design.
230-V, 400-W High Efficiency Battery Charger w/PFC and LLC for 36-V Power Tools Reference Design
TIDA-00355: The design is a 400-W high efficiency battery charger power supply designed to charge wide range of batteries in the voltage range of 20V to 42V and ideal for 10-Cell Li-Ion battery pack used in cordless Power Tools and Garden Tools. The design has boost PFC pre-regulator stage opearting at an efficiency of 96%. It provides high Power Factor(PF) of >0.99 and meets PFC regulation as per IEC61000-3-2 class A. The main converter stage is realised using LLC configuration and operates at an efficiency of 96% at full load. The charger is designed for input voltage range of 175V – 265V AC. The design form factor (230mm x 80mm) is compact for the power level of 400W. The design has an operating overall system efficiency of 92% at full load, with voltage and current regulation within +/- 3%. The EMI filter at the front end of the circuit is designed to meet EN55011 class A conducted emission levels.
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.
18Vdc-57Vdc Input Isolated Battery Charger 29V @ 3A
PMP4963: The PMP4963 reference design uses the TPS40210 PWM controller in a flyback configuration to supply 3A of charge current at over 90% efficiency. The output voltage is limited by the control circuitry to 29.4V.
Mulitple Output, High Efficiency Flyback Converter for PoE Applications
PMP8407.3: This converter is used for Class 2 PoE applications where high efficiency and multiple outputs are required. The specific ouput for PMP8407.3 is 10V@.11A. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications such as a IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
12VDC in -5V5A buck-boost converter for medical application
PMP4370: PMP4370 converts 12Vdc voltage to non-isolate negative 5V5A. Full feature synchronous PWM buck controller TPS40170 and CSD87350 are combined together to achieve the inverting buck-boost topology. The efficiency is >92% @ full load. PMP4370 has extra low output ripple and noise(<20mV) that it can be used in noise sensitive application, like medical application.
Car Door Opener for Automotive Applications
PMP2715: This reference design supplies power for a car opener by using a PWM controller, the TL5001-Q1 . The device has an input from 3V-5V with an output of up to 10V at 2.5A due to the buck/boost controller. The design can handle up to 25W of power.
Offline, 10 Watt Boost LED Driver (Dimmable) Reference Design
PMP6648: HVHB LEDs, when driven in a PFC boost configuration, have the advantages of small size, high PFC, high efficiency, low cost, and low complexity. This reference design is triac dimmable, taking universal AC in and drives 3 High Voltage LEDs at 10W.
Class 3- Mulitple Output, High Efficiency Flyback Converter for PoE Applications
PMP8408.1: 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 a IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
Sync buck (16V@12A)
PMP4590.1: This interleaved Buck converter can be configured as single output (interleaved) or dual output. The board has the extention feature to drive a slave unit.
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.
Class 1 Mulitple Output High Efficiency Flyback Converter for PoE Applications Reference Design
PMP8752.2: This converter is used for Class 1 PoE applications where high efficiency and multiple outputs are required. The specific output for PMP8752.2 is 5V@.145A. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications such as a IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
"18V-36V Input 6V/100W 95% Efficient Active Clamp Forward
PMP6942: The PMP6942 reference design provides 6V at 100W (17A) from a standard 24V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with the TI CSD17312Q5 NexFET synchronous rectifier.
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.
85V - 265V AC in, 12V/3.3A AC/DC Open Frame Power Supply Based on PSR Flyback Reference Design
PMP9576: This reference design provides an isolated 12V/3.3A output from a universal 85V-265V AC input. This design achieves efficiencies greater than 84%. Employing the UCC28710D Primary Side Regulation (PSR) Flyback controller eliminates the opto-coupler and secondary side regulation components. The energy saving features of the UCC28710D allow this design to consume less than 75mW when plugged into the wall with no device attached to the output.
18Vdc-60Vdc Input, 3.3V/15A Active Clamp Forward, 1/8 Brick Reference Design
PMP8973: The PMP8973 reference design generates a 3.3V/15A output from an 18V to 60V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD16415Q5 and CSD18502Q5B, implemented as synchronous rectifiers, provides for a highly efficient design. This design is laid out in a standard eighth brick footprint and achieves peak efficiencies over 92%. It includes remote sensing of the output voltage.
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.
19 to 30Vin 12V@10A Active Clamp Forward Reference Design
PMP8866: This reference design provides an isolated 12V at 10A from a 19V-30V input with greater than 93% efficiency. This design uses the UCC2897A active clamp controller with CSD18532Q5B synchronous rectifiers for an efficient, yet cost effective solution that can operate from a 24VDC input bus.
36Vdc-75Vdc Input, 6V @ 20A Output, Active Clamp Forward
PMP4123: The PMP4123 reference design provides 6V at 120W from a standard 48V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with an ISO721 digital isolator and TPS28225 to drive synchronous rectifiers. The circuit is built in an industry standard quarter-brick footprint.
17V to 36Vin Isolated Flyback 53V @ 70W
PMP5651: This DC/DC converter is an isolated Flyback delivering 53V @ 1.35A from 17V to 36V input voltage. A supplementary overvoltage protection with a further optocoupler has been implemented.
Class 2- Mulitple Output, High Efficiency Flyback Converter for PoE Applications
PMP8407.2: This converter is used for Class 2 PoE applications where high efficiency and multiple outputs are required. The output for PMP8407.2 is 5V2.35A. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications such as a IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
Reference Design: Bipolar TFT LCD Supply Using TPS65131-Q1 and Charge Pumps
PMP9780.2: This reference design details a display power circuit which generates a bipolar voltage rail for source drivers and additional supplies for gate drivers. Charge pumps are used to generate the voltage supply for gate drivers, which makes this design easy to implement. By using only one dc-dc converter to generate four voltage rails and therefore minimizing the amount of inductances, this circuit allows small design size.
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 AC Input, 12V/3A Single stage PFC-Flyback Reference Design with Synchronous Rectification
PMP9730: The PMP9730 reference design employs the UCC28051 power factor correction controller to implement a single stage PFC-Flyback AC/DC converter that generates an isolated 12V output at 3A from a universal AC input. The design features UCC28910 primary side regulation Flyback switcher for generating the VDD bias rails and the UCC24610 for 2ndary side synchronous rectification. This provides an excellent solution for systems such as motor drives requiring an isolated bus voltage, good power factor and high efficiency.
Transformer-less, non-isolated AC to DC
PMP5412: This design provides a low-power, non-isolated DC rail from an AC source and has been used in but is not limited to smart meters and power monitors.
High-Efficiency Adjustable Output Synchronous Boost Converter Reference Design
PMP10538: PMP10538 is a Single-Phase Synchronous Boost Converter using the LM5122 controller IC. The design accepts an input voltage of 18Vin to 20Vin and provides an output of 30Vout to 54Vout, capable of supplying 1.7A of continuous current to the load or 0A to 3.4A Max. The output voltage can be adjusted between 30Vout and 54Vout by driving the Vadj. input of the Op-Amp circuit between 0V and 3V.
Reference Design for Telecom Applications (24V @ 0.5A)
PMP4742.2: PMP4742.2 is a simple and efficient non synchronous boost converter. It boosts the input 12V to 24V at 150mA nominal, 500mA maximum. Its enable pin is driven by power good signal from the hot swap TPS2420.
Flyback, Buck for Automotive (5V @ 0.5A)
PMP1941.4: A low cost TPS40200 buck converter produces a 5V @ 0.5A output. The input voltage is clamped to 30V max with the addition of a transient voltage-clamping circuit. A dithering circuit creates spread-spectrum operation on the switching frequency to lower EMI, making this circuit suitable for automotive use.
Class 3- 36V-72V Input 2.5V/5A Active Clamp Forward; 1/16 Brick
PMP6886: The PMP6886 reference design provides 2.5V at 5A from a standard 48V telecom input with greater than 88% efficiency. This design uses the UCC2897A active clamp controller along with TI NexFET synchronous rectifiers. The low gate thresholds of the CSD16323Q3 and CSD16406Q3 allow them to be driven directly from the transformer windings. The circuit is built in an industry standard 1/16 brick footprint. Auxilliary features of this design include remote sense, output over-voltage protection, output voltage trim and primary side enable control.
4.5V to 24V Wide Input, Negative 5V/2A Output Non-synchronous Converter Reference Design
PMP10680: The PMP10680 reference design is a non-sync buck converter with buck-boost configuration. The PMP10680 accepts an input voltage of 4.5 to 24Vin and provides a negative 5V output capable of supplying continuous 2A of current to the load. With negative output and the self-positive input, this reference design could be used for bipolar amplifer/ADC/DAC supply. Internal compensation facilitates ease of use.
Flyback, Buck for Automotive (82V @ 0.03A)
PMP1941.1: A triple-output non-isolated flyback converter provides a regulated low voltage and two high voltage rails. A buck converter with an input transient voltage-clamping circuit produces a 5V rail. The addition of a dithering circuit creates spread-spectrum operation on the switching frequency to lower EMI, making this circuit suitable for automotive use.
18V-36V Input 5V/15A; 94% Efficient Active Clamp
PMP5117: The PMP5117 reference design provides an isolated 5V at 15A from a 18V to 36V input range. This design uses the UCC2897A active clamp controller along with Texas Instruments' NexFET technology, CSD16321Q5, synchronous rectifiers to achieve up to 94% efficiency.
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.
Inverting Buck Boost Converter Using TPS40200 (12V to -8V@1.3A) Reference Design
PMP5026: PMP5026 uses the TPS40200 in an inverting buck boost configuration to generate a negative output from a positive input. This type of circuit is useful in a number of applications including Audio, Communications, Military/Space etc. This design uses a nominal 12V input to generate an output of -8V@1.3A. The circuit also provides a way to synchronize and sequence this particular design with other power rails in the system.
Class 3- Mulitple Output, High Efficiency Flyback Converter for PoE Applications
PMP8408.2: 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 a IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
Universal AC input(90V-264V) high efficiency 150W single string 200V/700mA output LLC converter
PMP4317: The reference design is a very high effiency (>94%) isolated AC/DC single string output LED lighting solution for high watt (>100W) general LED lighting. The topology uses Transition Mode (TM) PFC plus LLC control, which can support PWM dimming and analog dimming on the output side. The target application for this reference design is outdoor and high-bay general LED lighting
Flyback, Buck for Automotive (82V @ 0.03A) - PMP1941.1 - TI Tool Folder
PMP1941: A triple-output non-isolated flyback converter provides a regulated low voltage and two high voltage rails. A buck converter with an input transient voltage-clamping circuit produces a 5V rail. The addition of a dithering circuit creates spread-spectrum operation on the switching frequency to lower EMI, making this circuit suitable for automotive use.
18 to 72Vdc Input 12V/10A Active Clamp Forward 1/4 Brick Reference Design
PMP8861: This reference design generates a 12V/10A output from a wide range 18V to 72V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD18533Q5A, implemented as a synchronous rectifier, provides for a highly efficient design. This design is laid out in a standard quarter brick footprint and achieves efficiencies near 95%.
Class 4- Wide Input Range 15W PoE Converter
PMP6659: PMP6659 is a flyback converter with synchronous rectification. It accepts input voltages of 10.8-57VDC/18-32VAC/PoE and has a 12V/1.25A output. This input and output combination is typically required for PoE security cameras. The synchronous rectifier provides excellent efficiency with the wide input voltage range.
100-240VAC Input, 60W, 2-string, PWM Dimmable LED Driver Reference Design
PMP6024: PMP6024 is an offline, LED driver circuit consisting of an isolated, power-factor corrected, constant output voltage flyback converter followed by two DC/DC buck LED current controllers. It is suitable for indoor or outdoor area lighting applications of 3500-5000 lumens (depending upon LED selection). LED brightness is controlled by a 3.3V, 10kHz PWM signal which is converted to a DC level adjustment of the LED string currents avoiding PWM modulation of the light output.
144W Single-Phase Synchronous Boost Converter With DCR Current Sensing
PMP9393: PMP9393 is a Single-Phase Synchronous Boost Converter which utilizes the LM5122 controller IC. The design accepts an input voltage of 18Vin to 20Vin and provides an output of 48Vout capable of supplying a maximum of 3A of current to the load. DCR current sensing has been implemented in order to reduce the BOM cost associated with using a high power current sense resistor.
PFC/Flyback for LED Lighting - 59V@2.5A
PMP4636: PMP4636 is an active power factor correction, transition mode, isolated flyback that generates a bus voltage of 59V@2.5A starting from high line. This voltage will supply several buck converters needed to provide constant current to different LED strings.
12V input -12V1.5A output Buck-boost inverter
PMP4369: PMP4369 converts 12V input voltage to negative 12V1.5A output with the high efficiency up to 90%@12Vin. Inverting Buck-Boost topology is adopted and echo mode step down converter TPS54340 is used in the design. The design limited in size within 33mmx33mm. The output ripple & noise is <50mV over range.
Triac Dimmable AC-DC LED Driver Reference Design
PMP6013: This reference design provides a high-brightness LED driver based on the TPS92310 configured as a power factor corrected flyback regulator that is triac dimmable. It is designed to operate with an input voltage in the range of 90VAC to 135VAC with a 120VAC nominal input voltage. This design is set up for a default output current of 340mA with an output voltage range of 21V to 27V or approximately 6 to 8 LEDs depending on the forward voltage of each.
70W PFC LED Bus Voltage Generator
PMP4625: The PMP4625 is an isolated single-stage PFC flyback. The voltage loop is closed to the secondary side and supplies a constant 50V @ 1.4A bus voltage for LED applications. The input voltage is 180Vac to 265Vac
36-60Vin, 350W Slow Drain Modulation Power Converter with PSFB ZTE and HSHB Reference Design
PMP7246.1: This is a 350W High Speed Full Bridge Phase Shift ZVT Synchronous Rectification DC/DC reference design. It is built for telecom applications to supply a RF Power Amplifier stage. The design is utilizing UCC28950 voltage mode forward and average current limitation backward converter (two quadrant converter). It can modulate output voltage from 20V to 32V within 200us (at maximum 200uF of capacitive load) – so called: slow drain modulation. The converter has full load steps capability as well. It is a very small design for high sophisticated telecom applications. The system can also be used for all other two quadrant applications. Input voltage range: 36VDC-60VDC; Output voltage: 20VDC…32VDC (adjustable); Output current: 12A (18Apeak).
24Vin+/-10%, 5Vout @ 0.3A Flybuck Converter
PMP9362: An isolated flybuck converter with self-driven synchronous rectification on the secondary side accepts an input voltage of 21.6Vin to 26.4Vin and provides an isolated output of 5Vout capable of supplying a maximum of 0.3A of current to the load.
Power Solution for Automotive Audio Amplifiers
PMP2688: This reference design supports the supply for an audio amplifier, such as the TAS5414C-Q1 using the various DC/DC power switchers, LDOs, logic, clocks, and op amps. This reference design is also applicable in start/stop systems. Modifying this reference design can also create a power supply for a radio head unit.
Buck (1.4 @ 1A)
PMP5211: PMP5211 uses BQ2000 battery charger controller with external CSD25401 P-FET for a high efficiency 1 A charger of a 1 cell NiMH Battery. Top off is enabled and maximum time out is set to 5.7 hours for protection. With a 10k NTC thermistor on the Battery, thermal protection is also provided.
LED driver 80V@2A
PMP4530: From the low mains (85Vac…132Vac) the PMP4530 supplies 80V @ 2A constant voltage with a PFC Flyback single stage topology. The output is usually connected to several Buck post regulators to LED strings.
Reference Design for Telecom Applications (12V @ 1.1A)
PMP4742.1: PMP4742.1 comprises a negative input (-10.8V to -13.2V) to positive output (12V@1A average) inverting buck-boost converter with TPS40210; a hot swap circuit with TPS2420 quickly limits the output current to 2A peak.
Reference Design for Telecom Applications (3.3V @ 5A)
PMP4742.3: PMP4742.3 protects the 12Vin by means of hot swap controller (TPS2420) and feeds a TPS54620, syncronous buck converter, which generates 3.3V@3.7A. An INA210 reads the buck's current for monitoring purposes.
LED backlight driver 48V@0.26A
PMP6701: This SEPIC converter provides a regulated 0.26A of the current into a string of 6 to 13 LEDs. It can operate over the range of 6V to 18V and can handle a transient of 80V. The LEDs can be PWM dimmed over a 5% - 95% duty cycle and achieves an efficiency of 90%.
Class 3- Mulitple Output, High Efficiency Flyback Converter for PoE Applications
PMP8408.3: 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 a IP Phones. The TPS23785B contains both the PoE Powered Device and the PWM controller functions.
85-480VAC Input, Triple Ouput (12V/0.7A) AC/DC Flyback Reference Design
PMP10344: This reference design generates three separate isolated 12V/0.77A outputs from either an 85-265VAC single phase input or a 200-480VAC-LL three phase input. The UCC28700 controls a flyback converter power stage. The primary side regulation feature of the UCC28700 eliminates the need for an optocoupler, reducing cost and complexity. The three outputs are isolated from each other and can be stacked in series to generate higher output voltages.
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.
18V-36V Input 28V/100W Flyback
PMP6943: The PMP6943 reference design provides 28V at 100W (3.6A) from a standard 24V telecom input with greater than 92% efficiency. This design uses the TPS40210 to control a diode rectified flyback converter for a low cost and efficient design.
48V Input, 3.3V/30A Output, 94% Efficient Active Clamp Forward
PMP4804: The PMP4804 reference design provides 3.3V at 100W from a standard 48V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with the CSD16401Q5A synchronous rectifiers. The circuit is built in an industry standard Quarter-Brick footprint.
36V-75Vdc Input, 5V/50W 1/8 Brick Active Clamp Forward Reference Design
PMP9108: This reference design generates a 5V/10A output from a standard telecom 48V DC input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17309Q3 and CSD18540Q5B, implemented as self-driven synchronous rectifiers, allow this design to achieve a max load efficiency over 93%. This design uses only ceramic output capacitors for high reliability and uses 100% surface mount components. The board is laid out on a standard eighth brick footprint.
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.
18Vdc-54Vdc Input, 24V @ 5A Output, Active Clamp Forward
PMP4844: The PMP4844 reference design provides an isolated 24V output at 120W from an 18V to 54V telecom input with up to 94% efficiency. This design uses the UCC2897A active clamp controller along with an ISO721 digital isolator and TPS28225 to drive synchronous rectifiers. The circuit is built in an industry standard Half-Brick footprint.