发明名称 MOTOR DRIVING CIRCUIT AND LOAD DRIVING APPARATUS WITH PULSE WIDTH MODULATION
摘要 When the bit number of an error signal ERR2 is n and the magnitude of the error signal ERR2 is "a" (a is an integer) in decimal notation, a pulse-width modulator generates a PWM signal Spwm as a set of k (k is an integer of 2 or more) continuous sub-pulses. Further, the pulse-width modulator generates k sub-pulses in such a manner that the average value of the duty ratios of the sub-pulses becomes approximately a/2n.
申请公布号 US2009284197(A1) 申请公布日期 2009.11.19
申请号 US20070440840 申请日期 2007.09.03
申请人 ROHM CO., LTD. 发明人 SUGIE HISASHI
分类号 H02P7/29 主分类号 H02P7/29
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