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BQ4050A芯片问题

Other Parts Discussed in Thread: BQ4050

你好!BQ4050芯片,datasheet中典型应用电路,同时使用了BQ296103芯片,

想问一下,

BQ4050芯片是否可以脱离BQ296103而独立使用?还是必须两者同时使用?

BQ296103芯片在电路中起的作用,我了解是二级保护,是否还有其他作用?