The Texas Instruments BQ77PL900DL is an integrated power and battery management module that offers protection and performance in 5-10 cell Li-ion (lithium-ion) battery packs. This device uses sophisticated analog, digital, and power management techniques to provide both protection and flexibility in battery packs. Features include an analog front end (AFE) which offers precise battery cell voltage and temperature sensing, comprehensive safety circuits which provide a variety of lockout and warning conditions, precharge, balancing, and gas gauging with integrated EEPROM, as well as support for battery-charging protocols. The module also includes input/output buses and control lines for communication with the host system, making it easy to integrate into a variety of applications.