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On the basis of analysing traditional motor ignitor,a new motor ignitor design with precise ignition angle control,consistency and low cost is proposed. Techniques of low pertinence to process and power supply are introduced to promote its stability,reliability and unity. This circuit is implemented with a standard CMOS technology with perfect electric static discharge(ESD) design and can work under a broad range of power supply from 3 V~5 V with a quiescent current less than 2 mA and can be widely used in motor with a displacement of 125 ml and below.
On the basis of analysing traditional motor ignitor, a new motor ignitor design with precise ignition angle control, consistency and low cost is proposed. Techniques of low pertinence to process and power supply are introduced to promote its stability, reliability and unity. This circuit is implemented with a standard CMOS technology with perfect electric static discharge (ESD) design and can work under a broad range of power supply from 3 V ~ 5 V with a quiescent current less than 2 mA and can be widely used in motor with a displacement of 125 ml and below.