发明名称 CIRCUIT DEVICE, CIRCUIT BOARD AND ELECTRONIC APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a circuit device, a circuit board and an electronic apparatus which can detect a chopping current with high accuracy.SOLUTION: A circuit device 200 comprises: a bridge circuit 210 including transistors Q1, Q2 on a high side and transistors Q3, Q4 on a low side; a first terminal SN1 for connecting a current Id passing through the bridge circuit 210 to one end of a sense resistor 290; a second terminal SN2 for connecting the current Id to the other end of the sense resistor 290; and a third terminal RNF connected on a source side of the transistors Q3, Q4 on the low side.
申请公布号 JP2015136277(A) 申请公布日期 2015.07.27
申请号 JP20140007536 申请日期 2014.01.20
申请人 SEIKO EPSON CORP 发明人 YAMADA ATSUSHI
分类号 H02M7/5387;H02M7/48;H02P29/00 主分类号 H02M7/5387
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