Invention Grant
- Patent Title: Short-circuit protection using pulse width modulation (PWM) for resonant converters
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Application No.: US15668980Application Date: 2017-08-04
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Publication No.: US10658933B2Publication Date: 2020-05-19
- Inventor: Sangcheol Moon , Jintae Kim , Hangseok Choi
- Applicant: FAIRCHILD KOREA SEMICONDUCTOR LTD.
- Applicant Address: US AZ Phoenix
- Assignee: Semiconductor Components Industries, LLC
- Current Assignee: Semiconductor Components Industries, LLC
- Current Assignee Address: US AZ Phoenix
- Agency: Brake Hughes Bellermann LLP
- Main IPC: H02H1/00
- IPC: H02H1/00 ; H02M3/335 ; H02M1/36 ; H02M1/32 ; H02M1/08 ; H02M1/00

Abstract:
According to an implementation, a resonant converter for short-circuit protection includes an oscillator, a short-circuit detector configured to detect a short-circuit condition in a component of the resonant converter, and a pulse width modulation (PWM) controller configured to control the oscillator in a PWM mode before short-circuit protection is triggered. The oscillator, when in the PWM mode, is configured to generate a first clock signal for driving a first power switch and a second clock signal for driving a second power switch.
Public/Granted literature
- US10693379B2 Short-circuit protection using pulse width modulation (PWM) for resonant converters Public/Granted day:2020-06-23
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