Motor driving circuit, motor, fan and equipment
The utility model discloses a motor driving circuit, a motor, a fan and equipment. A VCC pin of a touch control chip U1 of the motor driving circuit is used for being connected with a voltage input end VIN, the voltage input end VIN is connected with a first end of a resistor R7, a second end of the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a motor driving circuit, a motor, a fan and equipment. A VCC pin of a touch control chip U1 of the motor driving circuit is used for being connected with a voltage input end VIN, the voltage input end VIN is connected with a first end of a resistor R7, a second end of the resistor R7 is respectively connected with an FG pin of the U1 and a first end of a resistor R8, and a second end of the resistor R8 is connected with an FG pin of a motor driving chip U2; an FR pin of the U1 is connected with an FR pin of the motor driving chip U2 through a resistor R9, and a VSP/PWM pin of the U1 is connected with a VSP/PWM pin of the U2 through a resistor R10; a control I/O pin of U1 is connected with the touch key K, and a first I/O pin of U1 is connected with the anode ofthe key indicator light LED1; a VCC pin of the U2 is used for being connected with a voltage input end VIN, and an OUT1 pin and an OUT2 pin of the U2 are used for being connected with a driving pin ofthe motor L.
本实用新型公开了一种电机 |
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