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INA282 Current Detection Module for the Electronic Design Contest

Overview

Wide common-mode range: -14V to 80V
bidirectional current detection -2.5A to 2.5A (can be extended to -5A to 5A via a parallel resistor).

External reference output connection:
Using TL431 as the external reference, the output is 2.5V.

Test results:

Under the detection conditions of 24V

input current and a positive current of 1A, the INA282 output voltage is 3.47V.

Under the input current of 1A in reverse, the INA282 output voltage is 1.51V.

Design Files

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Update:2026-03-26 19:23:48

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