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主电源+主+备电池切换芯片或参考设计

Other Parts Discussed in Thread: LM5069

应用条件:

1.主电源24V,主电池12~21V,备电池10~17V

2.放电优先级:主电源>主电池>备电池

3.主电池完全放电后启用备电池

4.负载电流5A