UCG28828EVM-094

UCG28828EVM-094 evaluation module

UCG28828EVM-094

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Overview

The UCG28828 evaluation module (EVM) enables designers to evaluate the operation and performance of the UCG28828 aux‑less QR‑flyback controller. This evaluation module demonstrates how the UCG28828 drives a quasi‑resonant flyback converter to achieve high efficiency throughout the load and the universal line input.

Features
  • Integrated 750V GaN with 170mΩ Rds(on), dynamic QR/DCM/CCM modes of operation and peak current mode controlled QR flyback converter
  • Supports AC input voltage 90VAC to 264VAC at 43Hz - 63Hz line frequency and output power of 20V/5A, 24V/5A and 28V/4.3A. Also, this EVM can be configured for 5V/3A, 9V/3A, 12V/3A and 15V/3A with PFC disabled for all this output voltage.
  • High efficiency and low-standby power and two stage (PFC + Flyback) peak efficiency: > 93% efficiency at 115VAC input and approx. 95% efficiency at 230VAC input
  • PFC need minimum 20mA at 20V output setting to enable PFC circuit across the input voltage
  • Self-bias and auxless-sense, integrated current sense, Integrated HV startup and Integrated X-cap discharge enable lowest BOM cost by integration
  • Complete sets of protection feature which includes OVP, OTP, Short circuit, overcurrent protection and brown-in and out protection.
  • Discrete brown-out circuit is implemented for UCC28056 PFC transition mode controller.
  • This EVM includes TI parts which are UCG28828, UCC28056, LMG3622, LM8364 and ATL431.
AC/DC converters
UCG28828 High Frequency QR Flyback Converter with integrated GaN power FET for up to 120W output with PFC
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Evaluation board

UCG28828EVM-094 — UCG28828EVM-094 evaluation module

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UCG28828EVM-094 UCG28828EVM-094 evaluation module

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Technical documentation

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Top documentation Type Title Format options Date
* EVM User's guide UCG28828 QR Flyback Converter with Integrated GaN Evaluation Module (Rev. A) PDF | HTML Aug 5, 2026
Certificate UCG28828EVM-094 EU Declaration of Conformity (DoC) Aug 20, 2025

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