EPC9148 Development Board Quick Start Guide

2021-01-26
The EPC9148 demonstration board is a 60 V maximum input voltage, 12.5 A maximum output current, 19 V output voltage, ultra-thin three-level synchronous buck converter with only a 3.5 mm component height. It features the 40 V EPC2055 and the 100 V EPC2053 and EPC2038GaN FETs. The purpose of this demonstration board is to simplify the evaluation of GaN FET-based multi-level synchronous buck converter. For more information on the GaN-based multilevel topology please see How2AppNote 015:How to Design an Ultra-thin, Highly Efficient, Multilevel DC-to-DC Converter.
A simplified block diagram of the EPC9148 development board is shown in Figure 1. It contains one EPC2053 for Q1, three EPC2055 for Q2-Q4 in the power stage, and three EPC2038 GaN FETs for the synchronous bootstrap gate drive circuits with the uPI Semiconductor uP1966A gate drivers. The board also includes on-board housekeeping power supply, digital controller, current and voltage sensing, and output filter. Kelvin sensing test points of the input and output voltages are provided for accurate efficiency measurement.

EPC

EPC9148EPC2053EPC2038EPC2055

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Part#

Development Board8 V Three-level Synchronous Buck Converter

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User's Guide

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Please see the document for details

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English Chinese Chinese and English Japanese

2020/11/16

Revision 1.0

2.3 MB

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