This PMP10600.1 reference design provides all the power rails required to power the Xilinx® Zynq® 7000 Series (XC7Z015) FPGA. This design uses multiple LMZ3 series modules, multiple LDOs, and a DDR termination regulator. It also has an LM3880 for power-up and power-down sequencing. This design uses a 12V input voltage.
The PMP10733 uses the LM5160 in a Fly-Buck-Boost topology with the primary side set to a negative voltage. Setting the primary side to a negative voltage reduces the turns ratio of the transformer and therefore allows for better line and load regulation. The primary and secondary voltages are set to negative 15V and positive 15V respectively. The maximum operating current on the primary and secondary voltage rails is set to 150mA. The switching frequency is set to 200kHz.
The PMP10748 is a complete automotive front-end protection TIDesign featuring TI's Zero IQ smart diode controller and high-side protection controller. This design utilizes two LM74610-Q1 ICs to drive 40V MOSFETs in an OR-ing configuration to provide reverse polarity protection. The LM74610-Q1 is a high-efficiency, zero-IQ alternative to lossy diode and inefficient PFET solutions, providing reverse polarity protection. The design also provides programmable OVP, UVLO and OCP through the LM5060-Q1 high-side protection controller. With the LM5060-Q1, this design not only has controllable rise time for safe connections, but also has programmable fault detection delay time.
The complete PMBus power system can power 3 ASIC/FPGA cores, DDR3 core memory, and provide auxiliary voltage for high-performance Ethernet switches.
This reference design is a 120Vac to 17V flyback converter with synchronous rectification on the secondary side. A lossless passive clamp on the primary side helps this reference design achieve greater than 93% maximum load efficiency. When combined with the PMP20172, this reference design becomes a complete solution for a 36W USB Type-C dual-port solution.
This 50V/1A boost converter is designed to operate from a nominal 12V input voltage, but will operate in the automotive range of 5V - 40V. This design is low cost and requires only an area of 50mm x 50mm.
The PMP11769 reference design is a comprehensive solution for 700W automotive audio amplifiers. This boost converter provides a 36.0V, 10.0A continuous/20.0A peak output from an input voltage of 9 to 16V. It contains two Class D amplifiers delivering 2 x 175W (loaded into 4 ohms, left and right channels) and 1 x 350W (loaded into 2 ohms, subwoofer) power.
The PMP15007 uses the LM5161-Q1 in Fly-Buck topology with both primary and secondary output voltages set to 5V nominal. This circuit can accommodate a voltage input range of 36V to 72V, making it ideal for a 48V nominal input voltage rail. The primary side is set to 5.32V nominal and the secondary isolation side is 5V with feedback resistors and is based on Coilcraft LPD8035V series coupled inductors set to a 1:1 turns ratio. The maximum operating current is set to 225mA on both the primary and secondary voltage rails. The switching frequency is set to 315kHz nominal.
The PMP15008 reference design is a small high-frequency point-of-load regulator. The unique converter topology helps achieve high efficiency when operating at 2MHz per phase. This design is suitable for applications such as processor or memory power supplies with 8V to 14V input, 0.5V to 2V, and up to 10A output.
This reference design is ideal for running IR LEDs (up to 3A) in high current pulse mode in automotive ADAS systems. The design supports continuous and pulsed operation even during load dump and hot start events. Other features include analog dimming and CISPR-25 Class 3 EMI filtering.
The PMP20410 is a synchronous 4-switch buck/boost converter reference design using the LM5175 controller for battery charger applications. Output voltages from 1V to 10V can be selected over a current range of 13A to 28A by using a trim resistor on the FB pin with a bias voltage of 0.2V to 3.1V. This reference design also uses the nonsynchronous boost regulator LMR62014 to provide bias voltage for the LM5175 operating in 2.7V input voltage mode. The current mode controller has built-in LM5175 pulse-by-pulse current limiting function. This board includes enable, sync, and power-good functions. This reference design supports resistive heating elements with resistances ranging from 0.1Ω to 0.5Ω, allowing 80W of power to be supplied.
The PMP20612 reference design is a high efficiency AC-DC LED driver reference design with very low total harmonic distortion (THD). This design uses CCM PFC with the UCC28180 controller to provide power factor correction (PFC) functionality from 108VAC to 305VAC input. A two-switch Flyback converter with the UCC28740 controller is used to provide 200V/1A constant current (CC)/ constant voltage (CV). The voltage sensing and current sensing circuit at the output side with the TL431 and INA180 allow an external circuit to process a dimming function. As a result this design achieves 92.9% peak efficiency at 230VAC/50Hz input. At 277VAC, the board also has less than 20% THD with 20% load.
The PMP20634 reference design is an isolated DCM flyback design that provides a universal AC line input from 85V to 265V and produces a 12V output capable of handling a 12W load. The design uses the UCC28730 controller to achieve ultra-low standby power at no load. It achieves 85% efficiency in high and low voltage lines and measures 1 x 3 inches on a 2-layer circuit board.
This reference design is a high efficiency, high power density and light weight resonant converter reference design. It converts a 390V input to a 48V/1kW output. The PMP20637 power stage has over 140W/in^3 power density. The whole board weight is less than 210g. With fixed 950kHz switching frequency in steady state, 97.6% peak efficiency is achieved.
PMP20682 is a synchronous buck converter reference design using the LM5141-Q1 synchronous buck controller IC. This design accepts input voltages from 5V to 40V and provides a 3.3V output capable of delivering 10A to the load. The input contains an EMI filter. Optional frequency jitter and slew rate control features are available for additional EMI control. This design provides mounting holes for the bottom MOSFET heat sink.
Continuous-Conduction-Mode (CCM) Totem-pole power factor correction (PFC) is a simple but efficient power converter. To achieve 99% efficiency, there are many design details that need to be taken into account. The PMP20873 reference design uses TI’s 600VGaN power stage, LMG3410, and TI’s UCD3138 digital controller. The design overview provides more details on the CCM Totem-Pole topology operation, gives the detail design considerations of the circuit, and provides magnetics and firmware control design considerations. This converter design operates at 100KHz. A soft start at AC line crossover minimizes current spike and lowers THD. The PFC Firmware measures AC current and PFC output voltage in real-time and predicts the dead time needed for the switch node to complete a full swing. The adaptive dead time control effectively minimizes both switching loss and GaN FET body diode conduction loss. A GUI is available to support parameter setting and control loop tuning.
This reference design is a high power PoE Powered Device (PD) plus active clamp forward converter. The TPS2373 high power PD controller EVM (TPS2373-4EVM-758) provides all functions necessary to implement an IEEE802.3bt-ready PD. This is paired up with an active clamp forward converter utilizing the UCC2897A controller. The high efficiency 24V/3A output using synchronous rectifiers is ideally suited for high power PoE applications such as IP security cameras and LED lighting applications.
In need of an IEEE802.3bt-ready PSE controller? Check out the TPS23881.
This reference design is a tiny 3-W auxiliary power supply reference design driving four outputs – two of them isolated to power some drivers. The wide input range is 6 V to 60 V, so 1:10 - here a discrete LDO is needed to expand BIAS voltage for controller LM51551. For lowest EMI, a SEPIC topology is used to ensure low reflected ripple and to avoid RF ringing at the switch node. The control loop is closed on the primary side to save additional cost of optoisolator. Dual feedback allows any weighted feedback in between 3.3-V / 11-V outputs.
This reference design is a battery initialization reference design solution for automotive and battery applications. The module enables a high efficiency single stage conversion for charging and discharging the battery. This design features a 0.1% accurate current control loop using the high performance INA225 current sense amplifier. The design was achieved in a compact form factor (40mmX143mmX20mm).
The PMP4489 reference design is a dedicated USB-C PD2.0 DFP 5V/12V 3A output flyback converter featuring the secondary-side regulation UCC28740DR, which provides constant voltage and constant current functionality. This design features less than 75mW standby power consumption (DOE 6 and CoC V5 Level 2 compliant). The secondary voltage and secondary balanced synchronous rectifier UCC24636 achieves high efficiency with maximum SR on-time. The TPS25740 is fully compatible with USB Power Delivery 2.0 providers and Type-C downstream ports (DFP).
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