Research Article

A Power Management IC Used for Monitoring and Protection of Li-Ion Battery Packs

Table 4

Performance summary of the prototype.

ParameterValue

Process180 nm CMOS process
LDO 1 (for internal use)5 V
LDO 2 (for internal use)12 V
LDO 3 (for external use)3.3 V
SAR ADC15 bit
Sampling precision0.21 mV
SOC precision±0.1%/h
Protection functionsOvervoltage
Overcurrent
Overtemperature
Temperature range-40°C~125°C

The temperature range is just for functionality.