发明名称 |
INTEGRATION OF SPINDLE EXTERNAL SENSE RESISTOR INTO SERVO IC WITH STABLE RESISTANCE CONTROL CIRCUIT |
摘要 |
An apparatus, comprises three driver FETs coupled at their sources; note-driver circuit; a first sense FET coupled to the sources of the three driver FETs; a current mirror having the first sense FET and a mirror FET; wherein the first sense FET is coupled to the mirror FET; a first transconductance amplifier coupled to the first sense FET; a second amplifier coupled to the current mirror, and an output of the first transconductance amplifier is an input to the second amplifier.
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申请公布号 |
US2013278199(A1) |
申请公布日期 |
2013.10.24 |
申请号 |
US201313847546 |
申请日期 |
2013.03.20 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
OTANI DAIJIRO;TSURUOKA NAKOYUKI;YAMASHITA MASAKI |
分类号 |
H02P8/14 |
主分类号 |
H02P8/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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