Abstract
Based on IR2103S half-bridge drive chip, high-power wide voltage DC motor drive circuit is successfully designed. This paper analyses high power wide voltage DC motor drive control principle, H-bridge drive principle, control characteristics of MOSFET and drive method, moreover, this paper also introduces operating characteristics of wide voltage IR2103S half-bridge drive chip and its control logic and operation modes, in addition, it provides interface method for connecting IR2103S chip and single-chip microcomputer, and measures to control high-power wide voltage DC motor by the single-chip microcomputer.
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