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Efficient hard disk drive energy recovery circuit and method and a hard disk drive incorporating the same
Efficient hard disk drive energy recovery circuit and method and a hard disk drive incorporating the same
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机译:高效的硬盘驱动器能量回收电路和方法以及包含该电路的方法
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摘要
A hard disk drive energy recovery circuit, a method of recovering energy from a motor of a hard disk drive and a hard disk drive. In one embodiment, the hard disk drive energy recovery circuit includes (1) a spindle resolver that generates transition signals as a spindle motor of the hard disk drive rotates among angular regions, (2) a spindle region state machine, coupled to the spindle resolver, that receives the transition signals and generates rectifier drive signals based thereon and (3) a synchronous rectifier, coupled to the spindle region state machine, that employs the rectifier drive signals to recover electrical energy from the motor.
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