MartinFowler

DER-1029 - 50 W DC-DC Converter for Solar Racing Using InnoSwitch3-EP (750 V PowiGaN)

DER-1029 - 50 W DC-DC Converter for Solar Racing Car Using InnoSwitch3-EP (750 V PowiGaN)

Overview

A 50 W flyback converter specially designed for solar racing as its auxiliary power supply, using 750 V PowiGaN-based InnoSwitch3-EP (INN3679C) switching IC Input: 90-150 VDC Output: 12V, 4.16A 30% to 120 VDC Average efficiency of 95.7% at 70% load High efficiency thanks to built-in synchronous rectification Very high full load efficiency 95.22% efficiency at 120 VDC Minimal number of primary inductive overvoltage protection components: 36 components Internal short-circuit protection 50 W flyback convertor tailored for a solar race car as its auxiliary power supply, using 750 V PowiGaN-based InnoSwitch3-EP (INN3679C) switcher ICInput: 90-150 VDCOutput: 12 V, 4.16 AAverage efficiency of 95.7% from 30% to 70% load at 120 VDCBuilt- in synchronous rectification for high efficiencyVery high full-load efficiency95.22% Efficiency at 120 VDCPrimary sensed overvoltage protectionVery low component count: 36 componentsInternal short-circuit protection

Blockdiagram

Design Files

der-1029_50w_dc-dc_converter_for_acentauri_solar_race_car_innoswitch3-ep_powigan

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-05-17 07:59:18

Please recommend a sensor
[align=left]There is an automatic sandblasting device. A sensor needs to be installed on the pipe to detect whether there is sand spraying out of the pipe. It is known that when sand is spraying out o
NPN open collector output photoelectric encoder
[i=s] This post was last edited by Zhang Feng on 2016-7-5 09:10 [/i] How to connect NPN open collector output photoelectric encoder to such a circuit
Launchpad comes with debugging problem
Can the debugger on launchpad be used to debug other device models? For example, F149. Has anyone tried it?
WIA (Windows Image Acquisition)
I would like to ask you: What kind of devices can use WIA? Is there anything that can replace WIA? What functions can WIA achieve? What are the specific processes for implementing WIA functions? Thank
Does WinCE support GDI+?
Does WinCE support GDI+?
Changes in LCD display demand: Color improvement will be the real breakthrough in 2007 (Photo)
Author: Rhoda Alexander, iSuppli Corporation 　Date: 2007-3-6 At this year's Consumer Electronics Show (CES) in Las Vegas, NV lost some of the flair of the distinctive display technology breakthroughs

Datasheet More

Circuits More