Abstract
In this paper, based on the design of the chip UAA4002 one for electric vehicle fast charge mode of self-turn-off device driver protection circuitry to power transistor, for example, study design optocoupler isolation circuit, control circuit, anti-saturation circuit, composite buffer circuit, Further integration of the formation of self-turn-off device drivers, isolation, protection circuit, which has a simple circuit structure, function, high reliability, low switching losses, fast response.
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