深圳市中立信电子科技有限公司

MM9Z1J638BM2EP

电池管理 IC MCU LIN BATTERY MONITOR 48QFN

The MM9Z1_638 is a fully integrated intelligent battery monitoring system. The device supports precise current measurement via an external shunt resistor. It features four voltage measurements via internal calibrated resistor dividers or external dividers. It includes an internal temperature sensor, allowing close proximity battery temperature measurements, plus four external temperature sensor inputs.

Features MM9Z1J638BM2EP

• Wide range battery current measurement; On-chip temperature

measurement

• Four battery voltage measurements with internal resistor dividers, and

up to five direct voltage measurements for use with an external resistor divider

• Measurement synchronization between voltage channels and current channels

• Five external temperature sensor inputs with internal supply for external sensors

• Low-power modes with low-current operation MM9Z1J638BM2EP

• Multiple wake-up sources: LIN, timer, high-voltage input, external CAN

interface, and current threshold and integration

• Precision internal oscillator and connections for external crystal

• LIN 2.2/ 2.1/ 2.0 protocol and physical interface

• msCAN protocol controller, and supply capability for 8 and 14 pin CAN interfaces

• MM9Z1_638: S12Z microcontroller with 96/128 kByte Flash, 8.0 kByte

RAM, 4.0 kByte EEPROM

Applications MM9Z1J638BM2EP

• 12 V lead-acid battery monitoring

• Multi-cell battery (Li-ion) monitoring

• HV battery pack sensor

• Truck battery monitoring