DRV8912-Q1: PWM模式下的開路檢測

大家好:

目前使用DRV8912直流推動馬達或單一通道的都很OK, 但在讓通道採用PWM模式運作時, 只要空占比稍微小一點. 超出 open load deglitch time範圍(type:200μs, max:300μs)
該腳位通道便會判定開路. 使IC_STAT.OLD =1.
請問此情景需要更改甚麼才能在低空占比的環境也能檢測開路?
謝謝

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