MM9Z1_638: Battery Sensor with CAN and LIN

Overview

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

View internal diagram

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 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

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 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

Application Notes

MM9Z1 PSP Block Diagram

MM9Z1 PSP Block Diagram

NXP^® MM9Z1_638 Product Image

NXP<sup>®</sup> MM9Z1_638 Product Image

Intelligent Battery Sensor Using the MM9Z1_638 - Demo

MM9Z1 PSP Block Diagram
NXP^® MM9Z1_638 Product Image
Intelligent Battery Sensor Using the MM9Z1_638 - Demo

MM9Z1 PSP Block Diagram

MM9Z1 PSP Block Diagram

NXP^® MM9Z1_638 Product Image

NXP<sup>®</sup> MM9Z1_638 Product Image

Intelligent Battery Sensor Using the MM9Z1_638 - Demo

Key Parametrics

Data Rate (Min) (kbps)

20
Data Rate (Max) (Kbps)

100.0
Load Supply Voltage (Min) (V)

3.5
Load Supply Voltage (Max) (V)

28
Ambient Operating Temperature (Min-Max) (°C)

-40 to 125
Flash (kB)

128

Development Boards

KIT9Z1J638EVM: Evaluation Kit - MM9Z1J638, Battery Sensor with CAN/LIN

Development Boards

KIT9Z1J638EVM: Evaluation Kit - MM9Z1J638, Battery Sensor with CAN/LIN