The parameters of the qw3862 power management chip are:
Voltage output range is 1.1V-1.85V,
Switching frequency 80KHz.
Input voltage range is 2.7V.
Chip QW3863 is very similar to the power management chip of QW3858, and the method of line welding is the same.
The parameters of the 3863 power management chip are as follows:
1. Voltage parameters
Voltage output range is 2.1V-1.78V,
2. Frequency parameters
Primary frequency 3650.
3. Model parameters
Model number qw3863.
Fourth, power supply increase
Mainly responsible for identifying CPU power supply amplitude.