Lithium battery charging detection circuit

The utility model relates to the technical field of electronic circuits, in particular to a lithium battery charging detection circuit which comprises a voltage detection circuit, a charging current detection circuit, a discharging circuit, a temperature detection circuit, a central processing unit, a step-up and step-down circuit and a comparison amplification circuit. The output ends of the voltage detection circuit, the charging current detection circuit, the discharging circuit and the temperature detection circuit are connected with the input end of the central processing unit; the control ends of the step-up and step-down circuit, the charging current detection circuit and the discharging circuit are connected with the output end of the central processing unit; according to the utility model, safety detection in the charging process of the lithium battery can be realized, and the safety of the charging circuit is improved. 本实用新型涉及电子电路技术领域，具体涉及一种锂电池充电检测电路，包括：电压检测电路、充电电流检测电路、放电电路、温度检测电路、中央处理单元、升压降压电路和比较放大