Lithium battery automatic polarity recognition circuit can be used for power supply and charging
The DRC check cannot be passed because I only used half of all external pads. Half of the mos outside the frame are
AO4606. I don’t know if it is suitable. You can replace it with the same N+Pmos.
Without board verification, the on-resistance of AO4606 is relatively large under low voltage. It is not recommended that the current exceed 1A.
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