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UCD3138HSFBEVM-029

UCD3138 Hard Switching Full Bridge Converter Evaluation Module

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UCD3138HSFBEVM-029

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Overview

The Texas Instruments UCD3138HSFBEVM-029 evaluation module (EVM) is a digitally controlled hard switching full bridge converter based on the UCD3138RHA programmable digital power controller. The EVM is a standalone Symmetrical Hard Switching Full-Bridge (HSFB) DC-DC power converter designed for 48V-in systems. The UCD3138HSFBEVM-029 accepts a DC input from 36 to 72Vdc, and outputs a nominal 12Vdc with full output load power 360W, or full output current 30A. The protection features include over-voltage, under-voltage, over-current and over-temperature. Features include input voltage feedforward, pre-biased startup and PMBus communication. The UCD3138HSFBEVM-029 also comes with a USB-TO-GPIO Interface Adapter to download firmware and program the UCD3138 digital power controller in the EVM.

Features
  • Digitally controlled and standalone hard switching full-bridge DC-DC power conversion
  • Voltage mode control
  • Secondary side control
  • DC input from 36 to 72Vdc
  • 12Vdc regulated output from no-load to full-load
  • Full-load power 360W, or full-load current 30A
  • High efficiency
  • Constant soft start time
  • Protection: over voltage, under voltage, over current, and over temperature
  • Constant current and constant power
  • Input voltage feed forward control
  • PMBus communications
  • Test points to facilitate device and topology evaluation

  • USB Cable
Digital power isolated controllers
UCD3138 — Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs UCD3138064 — Highly-Integrated Digital Controller for Isolated Power with 64kB Memory UCD3138064A — Highly Integrated Digital Controller for Isolated Power UCD3138128 — Highly-Integrated Digital Controller for Isolated Power UCD3138128A — Highly-Integrated Digital Controller For Isolated Power UCD3138A — UCD3138A Highly Integrated Digital Controller for Isolated Power UCD3138A64 — Highly-Integrated Digital Controller for Isolated Power

 

Half-bridge drivers
UCC27211 — 4-A, 120-V half bridge gate driver with 8-V UVLO and TTL inputs

 

Isolated DC/DC converters & modules
UCC25230 — 12V to 105V Input, 0.2A Output Switching Converter

 

Low-side drivers
UCC27524 — 5-A/5-A dual-channel gate driver with 5-V UVLO, enable, and 1-ns delay Matching

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Evaluation board

UCD3138HSFBEVM-029 – UCD3138HSFBEVM-029 Evaluation Module

Firmware

UCD3138FW-HSFB – UCD3138 Hard Switch Full Bridge

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Technical documentation

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Type Title Date
User guide Using the UCD3138HSFBEVM-029 (Rev. A) May 08, 2019
More literature UCD3138HSFBEVM-029 EU Declaration of Conformity (DoC) Jan. 02, 2019
Application note Fast input-voltage transient response with digitally-controlled isolated DC/DC Jul. 24, 2015
Application note Analog Applications Journal 3Q 2015 Jul. 24, 2015

Related design resources

Hardware development

EVALUATION BOARD
UCD3138OL40EVM-032 — UCD3138 Programmable Digital Power Controller Open Loop Evaluation Module (40-pin version)
INTERFACE ADAPTER
USB-TO-GPIO — USB Interface Adapter EVM

Software development

FIRMWARE
UCD3138FW-HSFB — UCD3138 Hard Switch Full Bridge Firmware

Support & training

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