Battery Sensor with CAN and LIN

MM9Z1_638

The NXP® MM9Z1_638 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

Block Diagram

MM9Z1 PSP Block Diagram

MM9Z1 PSP Block Diagram
Get diagram PDF

Features

Key Features

  • 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 a low-current operation
  • 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
  • S12Z MCU with 128 kB flash, 8.0 kB RAM, 4.0 kB EEPROM

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MM9Z1_638 is included in the 15-year program

Key Parametrics

  • Load Supply Voltage (Min) (V)
    3.5
  • Load Supply Voltage (Max) (V)
    28

BMS Hardware Solutions

Battery Management Systems (BMS) Hardware Solutions

Battery Management Systems (BMS) Hardware Solutions

Battery management systems (BMS) solutions for automotive and industrial applications including 12 V, 48 V, high-voltage and battery pack monitoring applications.

Find your right solution.

Design Resources

Select a section:

Documentation

Quick reference to our documentation types.

Filters

5 documents

Hardware

Filters

5 hardware offerings

Software

Filters

2 software files

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

3 engineering services

To find a complete list of our partners that support this product, please see our Partner Marketplace.

Training

Filters

3 trainings

Support

What do you need help with?

Search