Protecting semiconductor power switches
TW202634721APending Publication Date: 2026-08-16POWER INTEGRATIONS INC
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Patent Information
- Application Number
- TW114148748
- Authority / Receiving Office
- TW · TW
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-12-10
- Filing Date
- 2025-12-11
- Publication Date
- 2026-08-16
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Figure TWG2TA001073233_001 
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Abstract
A controller for a power switch. The controller comprises a sense input configured to be coupled to a main terminal of a power switch, overcurrent detection circuitry coupled to the sense input to receive sense current therefrom, the overcurrent detection circuitry comprising one or more current mirrors coupled and configured to mirror the sense current, and a plurality current comparators each coupled to receive a mirrored version of the sense current from the one or more current mirrors and configured to compare the received mirrored version of the sense current to a respective current threshold.
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