Research Article
A Power Management IC Used for Monitoring and Protection of Li-Ion Battery Packs
Table 4
Performance summary of the prototype.
| Parameter | Value |
| Process | 180 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 ADC | 15 bit | Sampling precision | 0.21 mV | SOC precision | ±0.1%/h | Protection functions | Overvoltage | Overcurrent | Overtemperature | Temperature range | -40°C~125°C |
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The temperature range is just for functionality. |