Power detection and transmission circuit coupling analog input signal on primary side to secondary side for power information calculation and related power supply apparatus

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United States of America Patent

PATENT NO 9859790
SERIAL NO

15469590

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Abstract

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A power detection and transmission circuit is provided. The power detection and transmission circuit includes a first conversion circuit, a second conversion circuit and a signal coupling circuit. The first conversion circuit is electrically connected to a power supply module to receive an analog input signal, and is arranged for converting the analog input signal to a first pulse width modulation (PWM) signal. The second conversion circuit is arranged for converting a second PWM signal to an analog regenerated signal, and transmitting the analog regenerated signal to a microcontroller, wherein the microcontroller calculates power information of the power supply module according to the analog regenerated signal. The signal coupling circuit is coupled between the first conversion circuit and the second conversion circuit, and is arranged for coupling the first PWM signal to the second conversion circuit and accordingly generating the second PWM signal.

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Patent Owner(s)

Patent OwnerAddress
FSP TECHNOLOGY INCNO 22 JIANGUO E RD TAOYUAN CITY TAOYUAN COUNTY 330

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Kuo-Fan Taoyuan, TW 33 237
Tu, Fu-Kai Taoyuan, TW 3 0

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