MOTOR DRIVER CIRCUIT HAVING REVERSE CURRENT DETECTION MECHANISM
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Aug 21, 2023
filing date -
Aug 21, 2023
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Abstract
A motor driver circuit having a reverse current detection mechanism is provided. The motor driver circuit includes a reverse current detector circuit, a control circuit, a driver circuit and an output stage circuit. The reverse current detector circuit detects a current flowing through a motor within a preset time interval to output a current detected signal. The control circuit determines whether or not the detected current is a reverse current to output a control signal according to the current detected signal. The driver circuit outputs a driving signal according to the control signal. The output stage circuit operates to output an output-stage signal to the motor according to the driving signal. The motor rotates according to the output-stage signal.
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