STMicroelectronics

M4Z28-BR00SH1  

Batteries ICs

M4Z28-BR00SH1 Description

The M4Z28-BR00SH1 from STMicroelectronics is a Snaphat®-format lithium battery-backed IC designed for real-time clock (RTC) and memory backup applications. Housed in a 28-SOIC Snaphat® package, this device integrates a 48mAh lithium battery with a low-power management system, ensuring reliable backup power for critical systems. Compliant with ROHS3 and REACH standards, it features an MSL1 (Unlimited) moisture sensitivity rating, making it suitable for extended storage and handling. Its EAR99 classification and HTSUS 8504.40.9580 designation confirm its suitability for global export, though ground shipment is mandated due to lithium battery restrictions.

M4Z28-BR00SH1 Features

• Integrated 48mAh Lithium Battery: Provides long-term backup for RTC and SRAM data retention.
• Snaphat® Form Factor: Simplified mounting with a 28-SOIC-compatible footprint, reducing PCB space requirements.
• Low Self-Discharge: Optimized for extended backup durations (years in standby).
• RoHS3 & REACH Compliant: Environmentally friendly and meets stringent regulatory standards.
• Wide Operating Temperature Range: Reliable performance in industrial environments.
• Ground Shipping Compliance: Adheres to lithium battery transport regulations.

M4Z28-BR00SH1 Applications

• Industrial Automation: Backup for PLCs, sensors, and control systems during power outages.
• Medical Devices: Ensures uninterrupted operation of diagnostic equipment and patient monitors.
• Telecom Infrastructure: Maintains RTC and configuration data in routers/switches.
• Consumer Electronics: Smart meters, security systems, and IoT edge devices requiring persistent memory.
• Automotive Systems: Backup for infotainment and telematics modules.

Conclusion of M4Z28-BR00SH1

The M4Z28-BR00SH1 stands out for its compact Snaphat® design, high reliability, and compliance with global standards. Its integrated lithium battery eliminates the need for external backup solutions, simplifying designs in space-constrained applications. Ideal for mission-critical systems where data integrity and power resilience are paramount, this IC is a robust choice for industrial, medical, and automotive markets. STMicroelectronics’ expertise ensures long-term availability and performance consistency, making it a future-proof solution for backup power needs.

M4Z28-BR00SH1 Documents

Download datasheets and manufacturer documentation for M4Z28-BR00SH1