Current limit control method of DC motor and related device and circuit

A control method of a current limit of a DC motor includes generating a reference voltage according to a preset current limit value of a DC motor; comparing the reference voltage with the voltage drop of a power control switch which drives the DC motor to generate a compare result; and controlling t...

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Bibliographische Detailangaben
Hauptverfasser: Tsai, Ming-Jung, Li, Ching-Sheng, Chen, Kun-Min
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A control method of a current limit of a DC motor includes generating a reference voltage according to a preset current limit value of a DC motor; comparing the reference voltage with the voltage drop of a power control switch which drives the DC motor to generate a compare result; and controlling the power delivered to the DC motor according to the compare result in order to limit the current of the DC motor.