Load-adaptive constant current generating circuit

The invention provides a load-adaptive constant current generating circuit and belongs to the technical field of electronic equipment. The load-adaptive constant current generating circuit mainly structurally comprises a current setting module (1), a limiting amplitude setting module (2), a power output module (3), a load judging module (4), a time-delay compensating module (5), a voltage trackingmodule (6), a power-off protecting module (8) and the like. The circuit can actively adapt to the change of loads during working, and has the advantages of being high in efficiency, wide in load application range, high in safety and reliability and the like. 本发明的种负载自适应恒流产生电路属于电子设备的技术领域，主要结构有电流设置模块(1)、限幅设置模块(2)、功率输出模块(3)、负载判断模块(4)、延时补偿模块(5)、电压跟踪模块(6)和断电保护模块(8)等。本发明在工作时能够主动适应负载的变化，具有效率高、负载适应范围宽、安全性高、可靠性高等优点。