High efficiency LED solar lamp controller

Public number: 101166385

Inventor: Geng Hua; Guo Xizheng; Wang Fei

To address: 100084 Beijing city Tsinghua University student dormitory building 14, 648

The invention discloses a high-efficiency LED solar lamp controller, including the following parts: signal processing and AD sampling circuit, will be responsible for the voltage of solar panel and battery charging current signal, the discharge current signal and temperature signal modulated converted to digital signals into the microprocessor; the main circuit by Buck-Boost bidirectional DC-DC converter current, time-sharing sampling driving circuit and charge discharge circuit, switching circuit of power tube, to charge the battery and the LED lamp discharge; man-machine interface circuit, control device and user interface for operation, response operation information of the user; the microprocessor, the whole system is responsible for the coordination and control, including the maximum power LED light pulse charge control, user operation and system protection, discharge control response.