Intrinsic safety type lithium battery protection circuit

The utility model provides an intrinsic safety type lithium battery protection circuit, which relates to the field of battery protection, and comprises a lithium battery and a protection module, the protection module is integrated in the lithium battery, the positive and negative electrodes of a lithium battery cell are electrically connected with the protection module, and the output pin of the protection module is the external output of the packaged lithium battery and is used for supplying power to an external load; the protection module comprises a control unit, a monitoring unit and a switch unit; the control unit is electrically connected with the switch unit and the monitoring unit, and when the voltage exceeds the voltage monitored by the monitoring unit, the control unit controls the switch unit to be switched off, and the battery input is cut off. According to the utility model, a reliable circuit is designed in the lithium battery, when an extreme condition occurs, the power supply of the positive