Current type open-loop temperature-dependent regulation system based on FPGA (Field Programmable Gate Array) chip

The invention discloses a current type open-loop temperature-dependent regulation system based on a FPGA (Field Programmable Gate Array) chip, and aims to perform temperature-dependent regulation on an APD (Avalanche Photodiode) of a laser radar. The system comprises a FPGA chip processor, a temperature acquisition module, a current regulation module and a DC-DC booster circuit, wherein the temperature acquisition module is used for acquiring the temperature of the APD in real time, and transmitting the temperature to the FPGA chip processor; the current regulation module is used for outputting adjustable current I; the DC-DC booster circuit is used for regulating an output voltage V according to the current I; the output voltage V of the DC-DC booster circuit is usedfor supplying a bias voltage to the APD; and the FPGA chip processor is used for receiving a temperature signal output by the temperature acquisition module, and generating a current regulation signal for controlling the current regul