CXLB74219 is a pulse width modulation step-down power management integrated circuit that meets QC 2.0 fast charging protocol. It has built-in output constant current and constant voltage function and adopts non-synchronous rectification technology. The conversion efficiency can reach up to 92%, and the CXLB74219 can support 5V, 9V two voltage outputs. The CXLB74219 has built-in line loss compensation function and provides stable voltage output. At the same time, it has built-in various protection functions, such as VDD overvoltage protection, VDD undervoltage lockout, over temperature protection, over current protection and short circuit protection. The CXLB74219 has the function of automatically detecting whether the connected power supply device supports Qualcomm 2.0 fast charging. If the power supply device supports Qualcomm fast charging 2.0 protocol, the CXLB74219 completes the fast charging process by adjusting the output voltage. If the connected power supply device does not support Qualcomm fast charging 2.0 protocol, the default output of the CXLB74219 is 5V, and the charging mode is normal charging mode
-
[ CXLB74219 ]"
