The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Aug. 21, 2023
Anpec Electronics Corporation, Hsinchu, TW;
Kun-Min Chen, Hsinchu, TW;
ANPEC ELECTRONICS CORPORATION, Hsinchu, TW;
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.