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US 2009/0021199 A1Published application
Motor Driving Integrated Circuit
AssigneesSanyo Electric Co., Ltd., Sanyo Semiconductor Co., Ltd.
InventorsHidemi Maeto, Shunji Suzuki
Life of this patent
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Abstract
A motor driving integrated circuit comprising: a speed control circuit configured to control a rotation speed of a motor according to a speed control signal; a detecting circuit configured to detect whether the speed control signal indicates stop of rotation of the motor; and a shut-off circuit configured to shut off power supply to a circuit included in the motor driving integrated circuit when the detecting circuit detects that the speed control signal indicates stop of rotation of the motor.
Claims5
A motor driving integrated circuit comprising:
- a speed control circuit configured to control a rotation speed of a motor according to a speed control signal;
- a detecting circuit configured to detect whether the speed control signal indicates stop of rotation of the motor;
- and
- a shut-off circuit configured to shut off power supply to a circuit included in the motor driving integrated circuit when the detecting circuit detects that the speed control signal indicates stop of rotation of the motor.
1 more element
Dependencies are inferred from the claim text.