Invention Grant
- Patent Title: Synchronous buck regulator with short circuit to voltage source protection
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Application No.: US14690586Application Date: 2015-04-20
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Publication No.: US10587193B2Publication Date: 2020-03-10
- Inventor: Mikhail Zarkhin , Alfons Fisch
- Applicant: Continental Automotive Systems, Inc.
- Applicant Address: US MI Auburn Hills
- Assignee: Vitesco Technologies USA, LLC.
- Current Assignee: Vitesco Technologies USA, LLC.
- Current Assignee Address: US MI Auburn Hills
- Main IPC: H02M3/158
- IPC: H02M3/158 ; H02M1/32

Abstract:
A method and apparatus for a power converter assembly detects an over-current, latches off a low-side switch if an over-current is detected, holds the low-side switch latched off until a PWM controller provides a predetermined minimum pulse to the latch (for the duration of the over-current), and unlatches the low-side switch if a PWM controller provides a predetermined minimum pulse to the latch. A power converter assembly includes a PWM controller coupled to the main switch, the PWM controller configured to control the main switch according to a duty cycle. A latch is coupled with a secondary switch and configured to selectively turn off the secondary switch. The PWM controller is configured to provide a PWM control signal to the latch, and the control signal is configured to reset the latch to allow the secondary switch to turn on only when the PWM begins operating with a minimum pulse width.
Public/Granted literature
- US20160308439A1 SYNCHRONOUS BUCK REGULATOR WITH SHORT CIRCUIT TO VOLTAGE SOURCE PROTECTION Public/Granted day:2016-10-20
Information query
IPC分类: