Invention Grant
- Patent Title: Motor driving circuit
- Patent Title (中): 电机驱动电路
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Application No.: US12419537Application Date: 2009-04-07
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Publication No.: US08080959B2Publication Date: 2011-12-20
- Inventor: Hirotoshi Fukuda , Junichi Iida
- Applicant: Hirotoshi Fukuda , Junichi Iida
- Applicant Address: JP Tokyo
- Assignee: Hitachi-LG Data Storage, Inc.
- Current Assignee: Hitachi-LG Data Storage, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Antonelli, Terry, Stout & Kraus, LLP.
- Priority: JP2008-100801 20080408
- Main IPC: H02P6/00
- IPC: H02P6/00
Abstract:
A motor driving circuit includes at least one set of switching elements, each set of switching elements being two switching elements connected in series to each other, and a diode connected in parallel with one of the two switching elements connected on a power source side, a terminal of a motor to be driven being connected to a junction point between the two switching elements. A voltage transfer element is provided for transferring, from the junction point between the two switching elements, a voltage of a counter electromotive force generated at the motor, to an input end of the other of the two switching elements connected on a ground side.
Public/Granted literature
- US20090251088A1 MOTOR DRIVING CIRCUIT Public/Granted day:2009-10-08
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