The embodiment of the invention relates to the technical field of electronic power, in particular to a battery charging management circuit and a charging device. The invention provides a battery charging management circuit and a charging device, the circuit comprises a current sampling unit, a control unit and at least one charging circuit, and the charging circuit comprises an in-place detection circuit and a switching circuit; the first end of the in-place detection circuit is connected with the first output end, and the second end is connected with the first end of the control unit; the switching circuit is connected in series between the first end of the input power supply and the first output end and is also connected with the second end of the control unit; and the current sampling unit is connected in series between the second end of the input power supply and the second output end, and is also connected with the third end of the control unit. In the battery charging management circuit, the control unit controls the switching circuit to close or open the charging loop according to the in-place signal of the in-place detection circuit and the charging current signal of the current sampling unit, and charging management can be carried out on multiple batteries without communication connection with the batteries.
本发明实施例涉及电子电力技术领域,特别涉及一种电池充电管理电路及充电装置。本发明提供一种电池充电管理电路及充电装置,该电路包括电流采样单元、控制单元和至少一个充电电路,充电电路包括:在位检测电路和开关电路;在位检测电路的第一端连接第一输出端、第二端连接控制单元的第一端;开关电路串接于输入电源的第一端与第一输出端之间、并且还连接控制单元的第二端;电流采样单元串接于输入电源的第二端与第二输出端之间、并且还连接控制单元的第三端。在该电池充电管理电路中,控制单元根据在位检测电路的在位信号和电流采样单元的充电电流信号、控制开关电路闭合或断开充电回路,无需和电池通信连接即可对多电池进行充电管理。
Battery charging management circuit and charging device
一种电池充电管理电路及充电装置
2021-08-10
Patent
Electronic Resource
Chinese
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