UCD3138ALLCEVM150

UCD3138A LLC Evaluation Module

UCD3138ALLCEVM150

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Overview

The UCD3138ALLCEVM150 is an evaluation module (EVM) board, functioning as an LLC resonant half-bridge dc-dc converter and digitally controlled by control card UCD3138ACCEVM149. This EVM is used to evaluate digital power control using UCD3138A in LLC resonant half-bridge dc-dc conversion applications. The EVM accepts the dc line input from 350Vdc to 400Vdc, nominal output voltage 12Vdc, and output full load power 340W with peak efficiency over 94% benefited from secondary side synchronous rectifier operation. The EVM is featured with various protections such as input line under voltage, output over-voltage and over-current limit, soft start, and light load power losses reduction. The EVM can be used as a platform to upload user’s firmware and adapt particular needs. The EVM is shipped with the control card UCD3138ACCEVM149 pre-programmed with the LLC resonant half-bridge dc-dc converter firmware developed by Texas Instruments.

Features
  • Digitally controlled LLC resonant half-bridge DC-DC power conversion DC line input from 350 to 400Vdc
  • Regulated output 12Vdc with output from no-load to full-load
  • Full-load power 340W, or full-load current 29A
  • Synchronous rectification
  • Constant Current/Constant Power control mode
  • Burst Mode Cycle-by-Cycle current limiting with Duty Cycle Matching Protection: over voltage, over current, and brownout
  • PMBUS Communication Test points to facilitate device and topology evaluation
AC/DC & DC/DC controllers (external FET)
UCD3138 Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs UCD3138064A Highly Integrated Digital Controller for Isolated Power UCD3138A UCD3138A Highly Integrated Digital Controller for Isolated Power UCD7138 Low-side Power MOSFET Driver With Body Diode conduction Sensing
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Evaluation board

UCD3138ALLCEVM150 — UCD3138A LLC Evaluation Module

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Firmware

UCD3138FW_LLC — LLC Half bridge Firmware

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UCD3138FW_LLC LLC Half bridge Firmware

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Latest version
Version: 01.00.00.00
Release date: 10 Feb 2016
lock LLC Half bridge Firmware (zip)  — 18264 K

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Products
AC/DC & DC/DC controllers (external FET)
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
Hardware development
Evaluation board
UCD3138ALLCEVM150 UCD3138A LLC Evaluation Module

Release Infomation

The design resource accessed as www.ti.com/lit/zip/sluc602 or www.ti.com/lit/xx/sluc602/sluc602.zip has been migrated to a new user experience at www.ti.com/tool/download/SLUC602. Please update any bookmarks accordingly.
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate UCD3138ALLCEVM150 EU Declaration of Conformity (DoC) 02 Jan 2019
EVM User's guide Using the UCD3138ALLCEVM150 (Rev. A) 14 Jan 2016

Related design resources

Software development

FIRMWARE
UCD3138AFW-LLCWSRDTO UCD3138A LLC Half bridge Firmware

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