8204b power management chip, its pin parameter is the voltage output range is 1.1V-1.85V, switching frequency 80KHz. LED. Input voltage range is 2.7V ~ 5.5V,
8204b Power Management Integrated Circuits (Power Management Integrated Circuits) is a chip that is responsible for the transformation, distribution, detection and other power management of electrical energy in an electronic device system. It is mainly responsible for identifying the CPU power supply amplitude, generating the corresponding short moment wave, and promoting the power output of the back-end circuit. Common power management chips are LMG3410R050, UCC12050, BQ25790, HIP6301, IS6537, RT9