The Temperature Distribution Research of High-power LED Front Lighting Controller
LIANG Zhuhuan
XU Shengliang
LIU Binbin
LIN Guanjun
WEN Xiaojiang
Abstract：Driven by compact shape and diversified functions,high-power LED is widely used in automotive headlights.High-power LED light at the same time will also transfer a lot of heat,so that the internal temperature of the lamp rises.The controller is a key part of the LED headlight,and the realization of its functions can meet the lighting needs of multiple scenes.A large number of electronic components and a high degree of circuit integration make the operating state of the controller very sensitive to temperature.In this paper,thermoelectric couple and infrared temperature measurement methods are combined to evaluate the thermal performance of the controller in the actual working process,and to determine its maximum temperature and temperature distribution.The temperature partition of the circuit board of the controller can be used to guide the design optimization of the circuit board and the design of the heat dissipation structure.
Keywords：high-power LEDcontrollerheadlamp modulethermal test
Publication Date：2025-11-25
Online Publishing Date：2025-12-15(First online date of this platform, not the publication date of the document)
Pages：4( 20-23 )