MM9Z1J638BM2EP and MM9Z1I638BM2EP are no longer recommended for new designs. Kindly refer to compatible replacement parts MM9Z1J638TM5EP and MM9Z1I638TM5EP. The NXP MM9Z1638 is a fully integrated battery monitoring device, featuring: * Support of precise current measurement via an external shunt resistor * Four voltage measurement via an internal calibrated resistor divider or use of an external divider * An internal temperature sensor, allowing close proximity battery temperature measurements, plus four external temperature sensor inputs * LIN 2.2 protocol and physical interface and an MSCAN protocol controller for interfacing to automotive buses