This paper deals with the design and analysis of a three-phase CDROM motor driver chip using a 0.6um CMOS process. An analysis of this circuits system, it is found that the driving current can be up to 500mA as in the three-phase DC motor operation. In the CMOS process, a lot of component, i.e., control and power circuits are integrated in the same chip. Here, we will focus on the design of high-current driver part and present the results obtained from the motor operating at different situations.
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