发明名称 Battery protect circuit for switched circuit that switches between a supply and a battery
摘要 A circuit for protecting a battery includes an n-well formed within a p substrate. A p-type resistor is formed with in the n well and has a connection to the battery. An n+ ring is also formed in the n well and substantially surrounds the p-type resistor.
申请公布号 US7251112(B2) 申请公布日期 2007.07.31
申请号 US20040881624 申请日期 2004.06.30
申请人 SILICON LABS CP, INC. 发明人 FERNALD KENNETH W.
分类号 H02H3/00 主分类号 H02H3/00
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