Power conversion apparatus and protection method thereof while feedback current signal being abnormal

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United States of America Patent

PATENT NO 9729043
APP PUB NO 20160043628A1
SERIAL NO

14548290

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Abstract

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A power conversion apparatus and a protection method of the power conversion apparatus while a feedback current signal of the power conversion apparatus is abnormal are provided. The protection method includes a step of stopping switching a power switch if a duty cycle of a pulse width modulation signal is continuously greater than a preset duty cycle for at least one signal cycle and a voltage of a current sensing signal is smaller than a preset voltage level during the at least one signal cycle.

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Patent Owner(s)

Patent OwnerAddress
POWER FOREST TECHNOLOGY CORPORATION3F -3 NO 18 TAIYUAN ST ZHUBEI CITY HSINCHU COUNTY 30265

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiang, Yun-Chi Hsinchu County, TW 14 145

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