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)
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 com
This reference design is a low-power wireless gas sensor solution that supports a wide array of electrochemical gas sensors. With the versatility of a configurable interface for either Bluetooth® Low Energy, Zigbee RF4CE, 6LoWPAN or ANT this flexible and certified sensor solution is ideal for
This converter is used for Class 3 PoE applications where high efficiency and multiple outputs are required. PMP8454.1 has an output of 3.3V@2A. 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.
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.
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.
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.
This converter is used for Class 3 PoE applications where high efficiency is required. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications. The TPS23753A contains both the PoE Powered Device and the PWM controller functions.
This converter is used for Class 2 or 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 phones. The TPS23753A contains both the PoE Powered Device and the PWM controller functions.
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.
This reference design’s functionality emulates the power distribution of Set Top Boxes. By using integrated load switches to control power rails, each rail can be turned on or off depending on the needs and wants of the user. Turning off rails that are not being used reduces power loss and facilitates meeting energy compliance standards, such as Energy Star. An eFuse placed at the input can manage Hot Plug transients and protect downstream DC/DC converters from an input voltage that is too high or too low, reducing end equipment return rate.
By applying low power modes and FRAM technology this reference design utilizes 1-wire device communication to emulate EEPROM functionality on an MSP430™ microcontroller (MCU). This solution includes the ability to be powered parasitically from the communication line and allocates more memory space than is available than current 1-wire devices on the market.
DC-DC power converter with digital control using UCD3138CC64EVM-030 daughter-card. The daughter-card with preloaded firmware providing the required control functions for a Phase Shift Full Bridge converter. The TIDA-00412 (UCD3138PSFBEVM-027) accepts a DC input from 370 to 400 VDC: and outputs a typical 12 VDC with full-load output power at 360 W: or full output current of 30 A.
This project is a complete 350W: high performance: high speed offline power supply solution. It contains a novel: microcontroller-driven synchronous bridge rectifier: a 2-phase interleaved PFC stage and a phase-shifted fullbridge as down converter. It has an universal input (85 .. 265V AC) and the output voltage is adjustable between 12 and 14V. The continuous output current is 25A: the peak current is 27A. A second microcontroller monitors several values (input voltage: PFC voltage: output voltage: output current: temperatures): is the interface to the user (LCD: push-buttons): adjusts the output voltage and synchronizes the switching frequency of all converters.
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% efficie
This design is a cranking simulator which generates three different cranking pulses to test automotive systems up to 50W. A microcontroller sets the output voltage of a synchronous buck in the range of 2-15V accordingly to the programmed curves. Output current is in the range of 3.3-25A. It is a complete system and all the information necessary to build the device is available.
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.
Ideal for automotive, outdoor, entertainment, retail, and decorative lighting applications, the Multi-String LED Lighting design implements independent multi-string LED lighting with high resolution dimming. The LED driver consists of a microcontroller-controlled DC/DC Sepic Power stage and eight
This design contains three TPS92551 LED-driver modules (buck topology) which can be independently PWM-modulated by a microcontroller for color mixing or dimming. The maximum input voltage is 50V and the circuit offers the possibility: to use several driver boards in master-slave configuration.
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
PMP5236 uses parallel converters for Class 4 or high power PoE applications. The flyback converter with diode rectifier offers low cost solution while still achieving good efficiency. This reference design is well suited for PoE applications where power redundancy (12V@2A) or output power sharing (12V@4A) is needed. The TPS23754 contains both the PoE Powered Device and the PWM controller functions.
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.
This reference evaluation module: featuring the TPS23753A PoE interface and isolated converter controller: is used for class 3 PoE applications where low cost is required.The flyback topology with diode rectifier results in a low cost converter with reasonable size and efficiency.
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
This reference design is a wide input: 12-V/2-A output isolated flyback converter using LM5155. The switching frequency is 250 kHz and the peak efficiency of the system is 89.19% at 24-V input. The load regulation in the whole input range is within ±0.5%. Peak-to-peak ripple of the output is within 296-mV under load transient from 1 A to 2 A with a slew rate of 1 A/us.
This design presents a low-cost, small size, robust 200-VA DC to AC inverter based on TI’s MSP430 and UCD8220-digitally managed push-pull controller. It is targetted towards car inverters and small-segment inverters for commercial applications. In this design, UCD8220 is used for a boost st
Operational amplifiers (op amps) have been used for decades in signal conditioning circuits and measurement systems. An op amp that has an output spanning from negative to positive supply rail are generally referred to as rail-to-rail output (RRO) op amps. These devices have been used increasingl
The PMP10871 reference design uses the UCC2897A to control an active clamp forward and converts an 18-36V input to an isolated 5V/4A output with efficiency over 92%. This compact design uses only surface mount components.
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).
This reference design is a 120Vac to 5V primary side regulated flyback converter with synchronous rectification on the secondary side. PMP11500 has built in cable compensation which adjusts the regulation set point to offset the resistance in long cables. The reference design has extremely low standby power and its wake-up detection scheme offers superior transient response. UCC28730 features integrated CCCV regulation without the use of an optocoupler. PMP11500 utilizes synchronous rectification which improves system efficiency across the designed load range.
This design is for a 16-bit, 8-channel analog input module for industrial programmable logic controller (PLC) systems. The circuit is realized with an 8-channel, 16-bit, successive-approximation-register (SAR), analog-to-digital converter (ADC) with an integrated precision reference and analog fr
This reference application demonstrates how to combine an ultra-low-power MSP microcontroller, fixed-point software math libraries and an accelerometer for a low cost, ultra-low-power, simple orientation tracking solution. The MSP MCU samples the accelerometer and performs calculations in real ti
This dynamic Near Field Communication (NFC) tag design outlines the required components, layout considerations, and provides firmware examples to implement NFC into applications such as Bluetooth® and Wi-Fi® pairing, equipment configuration and diagnostics, or as a general purpose NFC dat
The PMP20815 reference design is a DCM Flyback with Optocoupler feedback. It operates at a 130kHz switching frequency to reduce transformer size. The reference design converts low-line AC mains to a 24V/72W output at 91% efficiency.
This 25-W design uses the UCC28740 in a flyback topology to minimize no-load standby power and the UCC24636 synchronous rectifier controller to minimize power MOSFET body-diode conduction times. The design also features point-of-load converters from the main 5V rail that implement an energy-saving Ecomode. All of the devices within the design work together to improve light-load efficiency to help meet agency approvals.
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.
This reference design delivers a low cost LCD bias power circuit using the boost converter IC TPS61085. The solution provides all four voltages required by the thin film transistor (TFT) LCD display. The TPS61085 boost converter generates the AVDD voltage. Two external charge pump circuits provide the positive VGH and negative VGL bias voltage for the TFT. One external op-amp LM7321MF acts as a high current buffer; it provides the VCOM voltage for the TFT backplane.
This converter is used for Class 1 PoE PD applications where isolation is not required. The TPS2378 PD controller plus LM5006 buck converter provide 5V/560mA with good efficieny in a small size. The LM5006 can be configured with a diode rectifier for lowest cost or a synchronous FET r
TIDA-00179 is an EMC-compliant universal digital interface to connect to absolute position encoders like EnDat 2.2: BiSS®: SSI or HIPERFACE DSL®. This reference design supports a wide-input voltage range from 15 V to 60 V (24-V nom). A connector with 3.3-V logic I/O signals allows for direct interface to the host processor like Sitara AM437x or Delfino F28379 to run the corresponding master protocol.Master implementations are available on Sitara AM437x (EnDat2.2: BiSS and HIPERFACE DSL) or Delfino DesignDRIVE (EnDat2.2 and BiSS). This design allows the host processor to select between a 4-wire encoder interface like EnDat 2.2 and BiSS or a 2-wire interface with power over RS-485 like HIPERFACE DSL. To meet the selected encoder's supply range: the design offers a programmable output voltage with either 5.25 V or 11 V. The design's power supply offers protection against over-voltage and short circuit according to the selected encoder's voltage range to prevent damage during a cable short. TIDA-00179 has been tested up to 100-m cable length with EnDat 2.2 and 2-wire HIPERFACE DSL encoders.
PMP10708 is a 7.8W 4-switch buck-boost converter using the LM5175 controller IC. The design accepts an input voltage of 3.5Vin to 36Vin and provides an output of 6.5Vout capable of supplying 1.2A of current to the load. The design can operate as low as 3V during start-stop or other line transient
This design is based on PMP4350 and supports higher output voltage up to 380V. Different from PMP4350: the high voltage LED switch MOSFET is removed and reduced overall cost. With additional resistor and capacitor from LEDSW to CS pin: the LED driver demos good linearity dimming performnace under analog and PWM dimming mode. High effiency (>94%): high PF(>0.94) 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 and achieves high efficiency (>94%) and high PF(>0.94). The target application for this reference design is TV LED backlight: outdoor and high-bay general LED lighting.
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.
Industrial vibration sensing is crucial part in condition monitoring necessary for predictive maintenance. Integrated Electronic Piezoelectric (IEPE) sensor is the most common vibration sensor used in industrial environment. This design is a full analog front-end for IEPE sensor interface demonstrating how to achieve flexible high-resolution: high-speed conversion with low-power and small-footprint implementation.
This design is a LLC resonant half-bridge DC-DC power converter with digital control using 3138ACC32EVM-149 daughter-card. The daughter-card control functions with preloaded firmware providing the required control functions for a LLC resonant half-bridge converter. The TIDA-00512 (3138ALLCEVM-150) accepts a DC input from 350VDC to 400VDC: and outputs a nominal 12VDC with full load output power of 340W: or full output current of 29A.As seen at APEC
The PMP20289 was built and tested to verify the performance of a high frequency (>400kHz nominal switching frequency) LLC series resonant converter (LLC-SRC) implemented with Texas Instrument’s high voltage GaN FETs under nominal (390V to 12V) voltage conversion. The digital controller UCD3138A is used along with the UCD7138 SR controller to optimize LLC-SRC efficiency. TI’s high voltage direct drive GaNFET LMG3410 is used to enable fast switching and be able to minimize dead-time between half-bridge switches. The test results show that 96.8% peak efficiency is achieved at 24A load and 96.3% efficiency is achieved at 42A full load with a switching frequency over 350kHz in a 390V to 12V conversion.
PMP7991 is a quasi-resonant isolated flyback using the LM5023 controller IC. The design accepts an input voltage of 85VAC to 265VAC and provides a selectable output of 12Vout or 5Vout capable of supplying 2A of current to the load. The quasi-resonant switching scheme helps to reduce EMI.
The TIDA-00901 TI Design is a three-phase brushless DC motor drive designed to operate in 12-V automotive applications such as HVAC blowers. The board is designed to drive motors in the 200-W range and can handle currents up to 20A. Utilizing either sensorless operation or external Hall Effect se
This reference design utilizes a flyback converter to implement a Class 4 Power over Ethernet (PoE) poweredDevice dPD) with a 24-V/0.9-A output. The TPS23754is a combination PD/PWM controller in one package: saving cost and space. This reference design is suited for many PoE applications such as wireless access points: audio: signage and IP cameras.
Resonant converters are popular DC-DC converters frequently used in server: telecom: automotive: industrial and other power supply applications. Their high performance (efficiency: power density: etc.): improving requirements of the various industry standards: and the ever increasing power density goals have made these converters a good choice for medium to high power applications.This design implements a digitally controlled 500W two phase interleaved LLC resonant converter. The system is controlled by a single C2000™ microcontroller (MCU): TMS320F280025C: which also generates PWM waveforms for all power electronic switching devices under all operating modes. This design implements a novel current sharing technique to accurately achieve current balancing between phases.NOTE: There is an older version of this design using F2837x device available in ControlSUITE.
The TIDA-00771 is a 20 A RMS drive for a three phase brushless DC (BLDC) motor in power tools operating from a 3-cell Li-ion battery with a voltage range of 5 V to 12.6 V. This design is a 45 x 50 mm compact drive implementing sensor-based trapezoidal control. The design uses a discrete, compact
Magnetic tampering can paralyze any transformer in an energy measurement system, which may potentially lead to the system being unable to be powered properly or unable to correctly register the energy consumed by a load. This design implements a Class 0.2 three-phase energy measuremen
This reference design uses the UCC28780 active clamp flyback controller to generate an isolated output of 20 V @ 3.5 A over an input voltage rage of 90 Vac to 264 Vac. The design also uses the UCC24612 synchronous rectifier controller on the secondary side. Zero voltage switching (ZVS) ensures high efficiency over a wide operating range.
This reference design implements a video over LVDS solution for automotive infotainment applications.It highlights the support of multi-touch with haptic feedback, LCD backlight control, and ambient light sensing, without the introduction of dedicated support lines back to the host processor. Thi
This reference design implements an IEEE802.3bt (draft) Power over Ethernet (PoE) Powered Device (PD) with dual redundant inputs and a smooth transition between these inputs and an auxiliary input. The design consists of a 5V/6A synchronous flyback converter and allows for up to three power supplies (two PoE Power Source Equipment (PSE) supplies and one AC/DC wall adapter auxiliary supply) to be used in order to decrease the probability of power and data loss in your system.In need of an IEEE802.3bt-ready PSE controller? Check out the TPS23881.
The TIDA-00730 is an reference design examining how to protect an RS-485 bus against leathal transient waveforms such as IEC ESD, IEC EFT, and IEC surge. The reference design shows the level of protection that can be achieved through the implementation of a TVS diode on the bus lines of a standar
This reference design, using BQ27741 along with GaugeStudio software, provides the customer with tools for developing a battery fuel gauge module for placement inside a lithium-based battery pack. Customers are able to configure the solution so that it can provide accurate battery fuel gauging in
The TIDA-00195 reference design consists of a 22kW power stage with TI’s new reinforced isolated IGBT gate driver ISO5852S intended for motor control in various applications. This design allows performance evaluation of the ISO5852S in 3-phase inverter incorporating 1200V rated IGBT modules
PMP20129 is an isolated synchronous flyback converter with a 3.3V/5A output. The 36-60V input range is suitable for most telecom and Power over Ethernet (PoE) applications that require high efficiency.
This converter is used for Class 3 PoE applications that require 3.3V/1A and 5V/1A outputs. The dual output flyback converter with synchronous rectifiers provides excellent efficiency and small size for PoE applications: such as an IP phone. The TPS23753A contains both the PoE powered device and the PWM controller functions.
The LM5021 provides a cost effective solution for controlling an isolated flyback converter. Diode rectification is used to keep cost low while maintaining good efficiency. This converter is ideal for any cost sensitive telecom or PoE application.
This reference design generates an isolated 12V/160W 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. Texas Instruments CSD18531Q5A synchronous rectifiers allow this design to achieve 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.
This reference design utilizes the TPS23751 combination PoE PD controller and PWM controller: saving cost and size. The synchronous flyback converter provides high efficiency for PoE applications such as wireless access points and IP phones. The PoE PD can also supply up to 10W of primary power for auxiliary circuits.
This design demonstrates the use of UCC28880 high-voltage switcher to design an Offline Non-Isolated Flyback converter that can supply greater than 100mA output current. Using direct resistor-divider feedback, this design delivers a well-regulated 5V/500mA output with minimal component count.
The PMP9365 reference design provides all the power supply rails necessary to power Altera's Stratix V family of FPGAs. This design uses several LMZ3 series modules, LDOs, and a DDR termination regulator to provide all the necessary rails to power the FPGA. It also features two L
PMP20692 is an isolated flyback converter utilizing the LM5022 for industrial applications. This design accepts PoE input voltage of 54V ± 10%. The test report here is 54V in ± 10%: 12V out @ 3A of load current. Switching frequency is set to 250kHz. A custom transformer is used in this test report for all the scope capture.
PMP717 is a low cost, isolated, non-synchrounous Power-over-Ethernet PD power supply reference design intended to ease implementation of PoE in devices such as IP phones, WLAN AP's and security cameras. The reference design uses a TPS2375 PoE Powered Device Controller to implement all necessary detection, classification, inrush current limiting, UVLO and switch FET control necessary to be compliant with the IEEE802.3af Power-over-Ethernet standard. A UCC3809 Economy Primary Side Controller is used to generate 3.3V at 1.5A from the 48V PoE input. The design is optimized for low cost and smallest board area possible.