MM912J637AV1EP

Application Specific Microcontrollers Overview

The MM912J637AV1EP is a fully integrated LIN battery monitoring device based on S12 MCU technology, designed for automotive applications. It features a 48-QFN-EP package and operates within a supply voltage range of 2.5 V to 5 V. The device supports precise current measurement via an external shunt resistor, with an output current capability of 65 mA. It includes an integrated temperature sensor and a LIN 2.1 interface for communication. The component functions as a charge management IC, providing battery voltage, current, and temperature monitoring capabilities.

Application Specific Microcontrollers Feature Summary

• Integrated S12 MCU with 128 KB Flash and 6 KB RAM
• Precision battery voltage and current measurement via external shunt
• Integrated temperature sensor for close-proximity battery monitoring
• LIN 2.1 and LIN 2.0 bus interface support

Application Specific Microcontrollers Applications

• Automotive battery current, voltage, and temperature monitoring
• Battery state of charge (SOC) monitoring systems
• Battery state of health (SOH) monitoring in hybrid electric vehicles

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized NXP channels due to discontinued status. Confirm RoHS compliance and moisture sensitivity level (MSL 3) prior to assembly. Check for silicon mask errata related to analog mask M97W. Ensure proper handling procedures are followed given the surface-mount QFN-48 packaging.

Application Specific Microcontrollers Selection Notes

Select this part for applications requiring integrated LIN-based battery sensing without external microcontrollers. Compare memory specifications against other MM912 variants if code space requirements differ. Verify that the 48-QFN package fits the PCB layout constraints. Ensure the operating temperature range of -50°C to +125°C meets environmental requirements.

Application Specific Microcontrollers Part Context

This component belongs to the MM912_637 series of smart battery sensors. It utilizes the HCS12 core architecture. Related devices include MM912I637 variants with different memory sizes. The 'V1' suffix typically denotes specific manufacturing revisions or qualification levels within the NXP portfolio.

Application Specific Microcontrollers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate MM912I637AV1EP or MM912J637AM2EP for pin-compatible alternatives, subject to memory and revision compatibility checks.