MAX1666A Datasheet (Maxim Integrated Products) - Advanced Lithium-Ion Battery-Pack Protector

MAX1666A, Advanced Lithium-Ion Battery-Pack Protector

The MAX1666 provides complete protection against overvoltage, undervoltage, overcharge current, overdischarge current, and cell mismatch for 2-cell to 4-cell lithium-ion (Li+) battery packs.

The voltage of each cell in the battery pack is checked and compared to the programmable threshold and to the

MAX1666A Features

* Overvoltage Protection Programmable Limits from +4.0V to +4.4V Accurate to ±0.5%

* Undervoltage Protection Programmable Limits from +2.0V to +3.0V Accurate to ±2.5%

* Cell Mismatch Protection Programmable Limits from 0 to 500mV Accurate to ±10%

* Overcharge Current