MM3508A02RRE

Overview

The MM3508A02RRE is a secondary protection IC designed for 2 to 4-cell Li-ion and Li-polymer battery packs. Manufactured by Mitsumi Electric Company Ltd, this component provides essential overcharge and overdischarge protection functions. It operates within a standard supply voltage range suitable for multi-cell configurations, ensuring reliable monitoring of cell voltages. The device integrates high-precision detection circuits to safeguard battery integrity against abnormal conditions.

Feature Summary

• Provides secondary protection for multi-cell lithium-ion and lithium-polymer battery packs
• Monitors cell voltages to prevent overcharge and overdischarge conditions

Applications

• Protection circuits for portable electronic devices
• Battery management systems in consumer electronics
• Safety monitoring for multi-cell lithium battery assemblies

Procurement Notes

Verify the specific suffix '02' corresponds to the required cell count configuration (2 cells) as variants exist within the MM3508A series. Confirm package type and tape & reel specifications match assembly requirements. Request official datasheets from Mitsumi or authorized distributors to validate electrical characteristics and pin assignments before integration.

Selection Notes

Select this part when designing protection circuits for 2-cell lithium battery systems requiring dedicated secondary monitoring. Compare with other MM3508A variants like MM3508A03RRE or MM3508A05RRE if different cell counts are needed. Ensure compatibility with system voltage levels and thermal operating ranges specified in the manufacturer documentation.

Part Context

The MM3508A02RRE belongs to the MM3508A series of battery protection ICs from Mitsumi Electric. This family includes variants tailored for different cell counts, such as 3-cell and 5-cell configurations. These components are widely used in applications demanding reliable battery safety monitoring for rechargeable lithium-based power sources.

Replacement Considerations

Compatible substitutes include MM3508A03RRE and MM3508A05RRE for different cell count requirements. Verify pinout compatibility and functional equivalence before substitution. Consult Mitsumi Electric for updated replacement recommendations based on specific design constraints.