Lithium battery protection circuit applied to mobile phone

The invention discloses a lithium battery protection circuit applied to a mobile phone. The lithium battery protection circuit comprises a B+ end, a B- end, a P+ end, a P- end, a battery protection circuit, an anti-static circuit, an identity recognition circuit, an ID end, a temperature monitoring circuit and an NTC end; the battery protection circuit comprises a first resistor, a lithium batteryprotection chip, a charging and discharging control chip, a filtering circuit, a second resistor and a first capacitor; and the filtering circuit comprises a second capacitor and a third capacitor connected in parallel, wherein the capacitance value difference of the second capacitor and the third capacitor is equal to two orders of magnitudes or more. By virtue of the lithium battery protectioncircuit applied to the mobile phone, overcharging, over-discharging and overcurrent control and protection for the lithium battery can be performed effectively by virtue of matching of the lithium battery protection chip and t