6-Channel Li-Ion Battery Cell Controller IC
Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
Battery Sensor with CAN and LIN
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
Product Details
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
- Load supply voltage 3.5 V (Min), 28 V (Max)
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
Part numbers include: MM9Z1I638BM2EP, MM9Z1J638BM2EP.
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.
Related products
Battery Sensor with LIN for 12 V Lead-Acid Batteries
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Documentation
Quick reference to our documentation types.
5 documents
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Data Sheet
MM9Z1_638D1, Intelligent Battery Sensor with CAN and LIN - Data SheetFeatured
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Application Note
AN12301, MM9Z1x638 system calibration guidelines - Application Note
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Application Note
AN5299, MM9Z1_638 diagnostic features - Application note
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Selector Guide
Analog Automotive and Industrial Selector Guide
Design Resources
Hardware
Quick reference to our
board types.
5 hardware offerings
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Evaluation and Development BoardsEvaluation Kit - MM9Z1J638, Battery Sensor with CAN/LINFeatured
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Reference Design12 V Lead-Acid Battery Management System with LIN
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Reference DesignHigh Voltage Battery Junction Box Reference Design
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Reference Design
12 V Lead-Acid Battery Sensor with CAN
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Reference DesignMM9Z1_638 - 4-Cell Lithium Battery
Software
Quick reference to our software types.
2 software files
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BSPs and Device Drivers
LIN2.x and SAE J2602 Stack
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Examples and Quick Start Software
S12Z NVM Standard Software Driver
Note: For better experience, software downloads are recommended on desktop.
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
4 engineering services
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Independent Design House (IDH)
Hardware Design Services
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Independent Design House (IDH)
Hardware/Software Engineering Services
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Original Design Manufacturer (ODM)
Hardware and Software Engineering Services
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Independent Design House (IDH)
Embedded Software Design
To find additional partner offerings that support this product, visit our Partner Marketplace.