HIGH-PRECISION CURRENT DETECTION METHOD AND CHIP MODULE THEREFOR
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United States of America
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Apr 10, 2025
app pub date -
Nov 25, 2024
filing date -
Nov 25, 2024
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Abstract
A high-precision current detection method for current detection in a current loop with at least two protection switches. The method includes: arranging a sampling bridge arm which are connected in parallel on at least one protection switch. The sampling bridge arm comprises at least one current sampling switch and at least one signal processing unit which are connected in series, the current sampling switches are at least two connected in parallel and/or at least two corresponding protection switches are connected in parallel; the current sampling switch obtains a current sampling signal Is by using a mirror current method; and the signal processing unit generates a protection switch current signal Ip according to the current sampling signal Is.
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