85VAC-264VAC Input, 55V/2A QR Flyback + PFC
PMP6910: The PMP6910 reference design delivers an isolated 55V at 2A with PFC from a universal AC input. This design is a modified version of the UCC28600 EVM. The PFC boost portion of the design is unchanged from the original EVM. The UCC28600 quasi-resonant flyback has been modified for the higher output voltage. The flyback portion of the design is over 88% efficient. The total input-to-output effciency of the design is 83% from a 120VAC input and 85% from a 240VAC input. For sustained loads over 1.5A, forced air cooling is recommended.
RF Sampling 4-GSPS ADC Reference Design with 8-GHz DC-Coupled Differential Amplifier
TIDA-00431: Wideband radio frequency (RF) receivers allow greatly increased flexibility in radio designs. The wide instantaneous bandwidth allows flexible tuning without changing hardware and the ability to capture multiple channels at widely separated frequencies. This reference design describes a wideband RF receiver utilizing a 4-GSPS analog-to-digital converter (ADC), with an 8-GHz, DC-coupled, fully differential amplifier front end. The amplifier front end provides signal gain and allows capture of signals down to DC, which is not possible with a balun-coupled input.
Single-Supply Low-Input Voltage Optimized Precision Full-Wave Rectifier Reference Design
TIPD124: This TI Verified Design implements a single-supply full-wave rectifier. The design has been optimized to support excellent linearity for small-input voltage signals from 5mV – 200mV. The design is used to turn low-level alternating current (ac) signals to positive polarity signals. The circuit is designed to function up to 50 kHz and has excellent linearity at signal levels as low as 5 mVpp. The circuit can be used in sensor acquisition or signal strength indication applications that need to quantify values of low-level input signals which have positive and negative polarities.
Primary-Side Regulated Flyback with 85-265VAC Input (12V @ 3W) Reference Design
PMP8869: The PMP8869 reference design uses the UCC28700 primary-side regulated flyback controller to generate a 12V/250mA output from a universal AC input. The valley switching of the UCC28700 allows this low-cost design to achieve a maximum load efficiency over 80%; no load losses are less than 30mW. This circuit fits onto a 23mm x 37mm PCB.
310W PSU Using Transition Mode Bridgeless PFC and LLC-SRC - Reference Design
PMP9640: High efficiency, high power factor and reliable power supply are the main focus of the PMP9640 design for motor driver applications. Low cost analog transition mode (TM) PFC controller UCC28051 has been used for bridgeless PFC as the first conversion stage of the PMP9640. LLC series resonant converter (SRC) with UCC25600 is applied as the second stage of the PMP9640. In addition, a high-side buck converter with UCC28710 is applied here as the bias supply. In this design, bridgeless PFC efficiency can go up to 98.5%.
Primary-Side Regulated Flyback with 184 to 265VAC Input (12V @ 3W) Reference Design
PMP8764: The PMP8764 reference design uses the UCC28700 primary-side regulated flyback controller to generate a 12V/250mA output from a 230VAC input. The valley switching of the UCC28700 allows this low-cost design to achieve a maximum load efficiency over 78%; no load losses are only 30mW. This circuit fits onto a 23mm x 37mm PCB.
QR Flyback Converter for High Input Voltage (up to 415Vac)
PMP8471.1: PMP8471 has been designed as a smart meter power supply for high input voltage application. PMP8471 can sustain input voltage up to 415Vac. The flyback coupled-inductor is designed to supply two 12V outputs each with 300mA nominal output current.
85 to 265VAC Input 5V@4A Dual Port Charger For Tablets and Smart Phones Reference Design
PMP8817: This reference design is capable of charging two devices at 2A each with over 85% efficiency. The UCC24610 synchronous rectifier controller and CSD18533Q5A FET reduce the rectifier loss and provide ultra-high efficiency with a minimal increase in cost. The UCC28700 primary-side regulated flyback further minimizes cost by eliminating the need for an opto-coupler, and yet maintains good output regulation. 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 1.5" x 1.8" x 0.9".
Small Form Factor 12W Ultra Wide Range Power Supply for Protection Relays - Reference Design
TIDA-00227: This small form factor, 12W power supply solution for protection relays handles an ultra-wide range of both AC and DC inputs making it a suitable platform to power a variety of lower power protection relays that need to be placed in a small housing. The power supply is designed to output industry standard voltages required in protection relays while also providing excellent line and load regulation. This solution has been engineered for high wattage with good efficiency and has also been pre-compliance tested for IEC61000-4 (EFT and Surge) and CISPR 11 Class A (Interference).
15 Cell Lithium Ion Battery Controller Analog Front End Reference Design
TIDA-00255: The TIDA00255 reference design utilizes the bq76940 analog front end (AFE) IC. It measures cell voltages, and die temperature or external thermistor voltage using a 14 bit ADC. Current is measured separately by a separate 16 bit coulomb counter. The design can turn off low side power FETs to stop discharge or charge based on selected hardware limits. A microcontroller not included in this design would be part of the battery controller to communicate to the AFE to set protection thresholds, turn on the power FETs, provide fault recovery and turn off the FETs for over or under temperature conditions. A battery controller design may contain other features which are not part of this reference design such as secondary over voltage protection, gauging, and isolated communication to let the system know the state of the battery.
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.
85VAC to 265VAC Input, 7.5V Output, 15W Quasi-Resonant Flyback
PMP8362.1: This reference design uses the UCC28610 quasi-resonant flyback controller to generate isolated 7.5V and 12V outputs from a universal AC input. The 7.5V output is designed to provide up to 1.3A of output current, while the 12V output is capable of providing up to 0.42A. The 7.5V output is regulated, while the 12V output is generated from a stacked, unregulated winding on the transformer.
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.
High-Efficiency Isolated Flyback Converter Reference Design for PoE Application
PMP9446: PMP9446 is an Isolated Flyback Converter using the LM5022 controller IC. The design accepts an input voltage of 10Vin to 15Vin (12Vin Nominal) and provides an output of 54Vout capable of supplying 0.75A of continuous current to the load. The design was built on the PMP7899 PCB, which was modified to the PMP9446 design configuration and requirements.
120VAC Input, 3.3V/1.2A Output, Non-Isolated Flyback
PMP6716: This reference design uses the UCC28C42 in a non-isolated flyback topology to generate 3.3V, 1.2V and 22V from a US line AC input. The total output power is 4W. The 3.3V output is regulated by the UCC28C42. A TLV1117LV LDO is used to generate the 1.2V output from the 3.3V output. The 22V output is unregulated and designed only to provide 20mA.
85VAC to 265VAC Input, 12V Output, 15W Quasi-Resonant Flyback
PMP8362.2: This reference design uses the UCC28610 quasi-resonant flyback controller to generate isolated 7.5V and 12V outputs from a universal AC input. The 7.5V output is designed to provide up to 1.3A of output current, while the 12V output is capable of providing up to 0.42A. The 7.5V output is regulated, while the 12V output is generated from a stacked, unregulated winding on the transformer.
TPS92310 - 220VAC, 8W Isolated , Triac dimmable
PMP8012: The main purpose of this reference design is to demonstrate a high performance, compact size and triac Dimmable offline flyback LED driver with PFC based on TPS92310. This LED driver is designed for converting an AC input to a regulated LED current. The operating conditions and performance of the reference design are as follows: ●198VAC to 264VAC, 50Hz Input Voltage ●18V to 22V LED Voltage ●350mA Regulated LED Current ●Greater tha 75% Typical System Efficiency ●0.9 Typical Power Factor ●Output Short-Circuit and Open-Circuit Protection
Precision Full-Wave Rectifier, Dual-Supply
TIPD139: This TI Precision Verified Design provides the theory, component selection, simulation, PCB design, and measured results for a dual-supply precision full-wave rectifier. The design functions over a wide power supply range (up to +/-18V) allowing full-wave rectification of a wide range of input signals. This implementation operates with limited distortion for 20 Vpp input signals at frequencies up to 50 kHz and for signals as small as 50 mVpp at frequencies up to 1 kHz. The circuit can be used in applications that need to quantify the absolute value of input signals which have both positive and negative polarities. The OPA2211 provides excellent noise and distortion performance making it ideal for precision applications.
16-Cell EV/HEV Integrated Battery Monitor and Protector with Passive Balancing Reference Design
TIDA-00717: Stackable monitor and protector for use in large format Lithium-ion batteries that provides monitoring, balancing, and communications. Each bq76PL455A-Q1 EVM can manage 8 to 16 cells (12V min) for Li-ion battery applications. Up to 16 bq76PL455A-Q1 EVM modules can be stacked. The system provides fast cell balancing, diagnostics, and module to controller communication. Independent protection circuitry is also integrated.
90V to 270V AC Input, -12V to +12V/3W Quasi-Resonant Flyback(12V @ 250mA)
PMP7263.1: This reference design uses the UCC28600 quasi-resonant flyback controller to generate isolated +12V/250mA and -12V/10mA outputs from a universal AC input. The energy saving features of the UCC28600 minimize power losses at no load and full load conditions. This design is laid out on a 36mm X 46mm printed circuit board.
Adaptive Power Supply for PLC Analog Output Module with Output Channel Protection
TIDA-00231: TIDA-00231 is a reference design for an industrial Programmable Logic Controller (PLC) analog output module. The design provides a unique power saving solution for a digital-to-analog converter (DAC)-based analog current output module with an adaptive power supply. This adaptive power supply dynamically regulates the AVDD supply of the DAC and limits power losses to < 50mW for typical load resistance of > 300Ω. The analog output can source current up to 24mA. This reference design includes the necessary on-board protection circuit and has been tested to IEC61000-4 standard EFT, ESD, and surge requirements with IO Controller platforms. The protection circuitry does not negatively affect the design and Test results showed typical unadjusted errors were less than 0.2% FSR and calibrated accuracy is 0.05%. Watch a TIDA-00231 overview video on the Isolated DC/DC Converter reference design NOW
120W Automotive Two-Switch Buck-Boost Converter
PMP7905: PMP7905 is a two-switch buck-boost converter capable of 120W output power. This design uses the LM5118 wide voltage range buck-boost controller. 100V Schottky rectifiers and MOSFET are used for input switching, while 30V Schottky rectifiers and MOSFET are used for output switching. The operating input voltage range is targeted for automotive applications as 8V to 16V with 75V transient capability.
90V to 270V AC Input, -12V to +12V/3W Quasi-Resonant Flyback(-12V @ 10mA)
PMP7263.2: This reference design uses the UCC28600 quasi-resonant flyback controller to generate isolated +12V/250mA and -12V/10mA outputs from a universal AC input. The energy saving features of the UCC28600 minimize power losses at no load and full load conditions. This design is laid out on a 36mm X 46mm printed circuit board.
350W PSU with Universal AC Input and 28V Output - Reference Design
PMP9531: High efficiency, high power factor and reliable power supply are the main focus of the PMP9531 design for motor driver applications. Transition mode (TM) power factor correction (PFC) with UCC28051 and LLC series resonant converter (SRC) with UCC25600 are applied in PMP9531. In addition, a high-side buck converter with UCC28710 is applied here as the bias supply. 93% converter efficiency is achieved at high line while still obtaining 90% converter efficiency at low line.
65W High-efficiency CoC-5 tier2/DOE Level VI AC Adapter
TIDA-00519: This is a high efficiency 65W AC/DC design for a Universal input (85Vac to 265Vac) to 19.5V @3.33A output exceeding CoC-5 Tier2 and DOE Level VI requirements for external power supplies using the LM5023 Quasi-Resontant Flyback Controller with UCC24630 Synchronous Rectification Controller and CSD19531Q5A MOSFET. Additionally the LM8364 reset controller is used to provide input line AC UVLO protection. As seen at APEC
120VAC Input, 5V/0.8A Output, Non-Isolated Flyback
PMP6811: This reference design uses the UCC28C42 in a non-isolated flyback topology to generate 5V at 0.8A from a US line AC input. This low-cost, compact design is over 70% efficient at maximum load.
85VAC to 265VAC Input, 12V Output, 15W Quasi-Resonant Flyback - PMP8362.2 - TI Tool Folder
PMP8362: This reference design uses the UCC28610 quasi-resonant flyback controller to generate isolated 7.5V and 12V outputs from a universal AC input. The 7.5V output is designed to provide up to 1.3A of output current, while the 12V output is capable of providing up to 0.42A. The 7.5V output is regulated, while the 12V output is generated from a stacked, unregulated winding on the transformer.
Clocking Solution Reference Design for GSPS ADCs
TIDA-00359: Low cost, high performance clocking solution for GSPS data converters. This reference design discusses the use of a TRF3765, a low noise frequency synthesizer, generating the sampling clock for a 4 GSPS analog-to-digital converter (ADC12J4000). Experiments demonstrate data sheet comparable SNR and SFDR performance.
9V – 50V input to 12V@3A, Sepic Converter
PMP7768: It is a 36W Sepic converter designed using LM5022. The output is set to 12V and input varies from 9V to 50V. It uses a bootstrap supply to minimize losses in LM5022. It is a current mode controller.
LM3445 – 220VAC, 7W Dimmable Isolated
PMP7751: This demonstration board highlights the performance of a LM3445 based Flyback LED driver solution that can be used to power a single LED string consisting of 6 / 7 series connected LEDs from an 198 VRMS to 264 VRMS, 50 Hz input power supply. This is a two-layer board using the bottom and top layer for component placement. The demonstration board can be modified to adjust the LED forward current, the number of series connected LEDs that are driven and the switching frequency. Refer to the LM3445 datasheet for detailed instructions. A bill of materials is included that describes the parts used on this demonstration board.
Primary-Side Regulated Flyback with 85 to 265VAC Input (12V @ 0.5A) Reference Design
PMP8787: The PMP8787 reference design uses the UCC28700 flyback controller to generate a 12V/500mA output from a univeral AC input. The primary-side regulation technique implemented by the UCC28700 eliminates the need for an opto coupler, reducing the size and cost of the design. In addition, the valley switching of the UCC28700 allows this design to achieve a maximum load efficiency over 80%; no load losses are less than 40mW. The circuit board measures only 28mm by 33mm, with a maximum height below 20mm.
30 to 350Vin 15Vout @ 1A Isolated Flyback Converter Reference Design
PMP9334: PMP9334 is an isolated Flyback converter utilizing the LM5022 for industrial applications. It uses primary side regulation from an auxiliary winding with a resistor divider network to the Feedback pin of the LM5022. This design has a minimum operating input voltage of 30V and a max rating of 350V.
30W Ultra Wide Range Power Supply for Protection Relays Reference Design
TIDA-00127: This power supply solution for Protection Relays handles an ultra-wide range of both AC (88-276V AC) and DC (24-250V DC) inputs making it a suitable platform to power a variety of Protection Relays. The power supply is designed to output industry standard voltages (such as +/- 12V and isolated 6.75V) required in many Protection Relays while also providing excellent line and load regulation (< +/- 3%). This solution has been engineered for high wattage (30W) with good efficiency (up to 78%) and has also been pre-compliance tested for IEC61000-4 (EFT and Surge) and CISPR 11 Class A (Interference).
350W Constant Voltage - Constant Current (CVCC) Phase-Shifted Full Bridge reference design
PMP9622: This reference design uses the UCC3895 Phase-Shifted Full Bridge controller to implement a high efficiency, 120VAC input to 44Vdc up to 8A output. The power supply is set up to be constant voltage-constant current. The voltage and current are set by fixed resistor values and could be set by micro-processor in the actual product. The design is biased by a low-cost BJT Flyback using the UCC28720 PWM controller.
Reference Design - Universal Line Input AC-DC 3W High Side Buck Converter using UCC28720
PMP9649: The PMP9649 reference design is a simple, low-cost high side Buck converter to convert universal AC input voltage (85Vac to 265Vac) to a non-isolated 20V/150mA DC output with UCC28720 controller. BJT is applied as the buck switch for cost optimization, and simplicity is achieved with bulit-in sample and hold regulation function in UCC28720.
QR Flyback Converter for High Input Voltage (up to 415Vac)
PMP8471.2: PMP8471 has been designed as a smart meter power supply for high input voltage application. PMP8471 can sustain input voltage up to 415Vac. The flyback coupled-inductor is designed to supply two 12V outputs each with 300mA nominal output current.
Wide Input Active Clamp Forward Converter with Isolated Output
PMP7892: PMP7892 is an isolated active clamp forward converter capable of 42W output power. This design uses the LM5026 active clamp current-mode controller. Output voltage regulation is maintained using an LMV431 shunt regulator and opto-coupler feedback. Schottky rectifiers allow for holdup of 10ms using the stored charge of the output capacitors. The isolation voltage is 2250 VDC meeting basic insulation requirements.
700V-860V input to 16.5V@0.5A output
PMP7769: Circuit is a non isolated flyback converter. Vin is 700V to 800V max, converting to 16.5V out at a maximum current of 500mA. The design utilizes an external Error amplifier using an LMC7101 for feedback control. The circuit also uses U102 and Q101(and resistors etc etc…) as an external UVLO circuit. LM5021 features include an ultra-low (25 µA) start-up current, which minimizes power losses in the high voltage start-up network. A skip cycle mode reduces power consumption with light loads for energy conserving applications.
6V-42V Input 12V/5A SEPIC for Automotive Applications
PMP7797: PMP7797 is a wide-input SEPIC converter designed for automotive applications. This design uses the LM25037Q push-pull controller as an interleaved boost, which incorporates two gate drivers for controlling two sets of MOSFET switches. The input is 12V nominal with a working range of 6V at cold crank to 42V at load dump. An auxiliary soft-start circuit is incorporated into the design, as well as input and output LC filters. At higher input voltage this SEPIC is capable of higher output current as shown by the typical efficiency plot.
85VAC-265VAC Input, 12V/15W Output Green-Mode Flyback
PMP6833: The PMP6833 reference design uses the UCC28600 green-mode controller to generate a 12V/15W regulated output. The quasi-resonant switching of the UCC28600 allows this low-cost design to achieve a maximum load efficiency is over 83%, while the no load losses are less than 200mW.
Universal AC-DC Buck Converter using UCC28710 Reference Design
PMP9087: The PMP9087 reference design uses Buck converter to convert universal AC input voltage (85Vac to 265Vac) to a 12V/200mA DC output with UCC28710 controller. High efficiency and circuit simplicity is achieved with quasi-resonant valley-switching operation and the utilization of Buck topology.
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.
90 to 110Vin 12Vout @ 0.3A Non-Sync Buck Converter Reference Design
PMP10739: PMP10739 is a 3.6W buck converter using the UCC28700 controller IC. The design accepts an input voltage of 90Vin to 110Vin and provides an output of 12Vout capable of supplying 0.3A of current to the load. The UCC28700 has a frequency dithering feature for reduced EMI.