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We're using 3 of the TSC2011 amps to measure currents from our 3-phase H-bridge FETs to a 28VDC brushless DC motor. When driving the PWM out, we're seeing 100-300mV DC offsets on the TSC2011 Vout, making them inaccurate. Is this expected?

BHoyt.1
Associate

‎2022-04-08 1:28 PM

Is this due to noise, common mode voltage, or the PWM edges? Any recommendations to improve the circuit?

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