LC05732A91RATBG

Battery Management Overview

The LC05732A91RATBG is a battery protection integrated circuit featuring an embedded power MOSFET, designed for single-cell lithium-ion and lithium-polymer battery packs. It provides comprehensive protection against overcharge, over-discharge, overcurrent, and short-circuit conditions. The device integrates high-precision voltage references and current sensing to ensure accurate monitoring of cell status. It supports standard operating temperatures and includes thermal shutdown capabilities to enhance safety during fault events.

Battery Management Feature Summary

• Integrated power MOSFET for efficient charge and discharge control
• Comprehensive protection against overvoltage, undervoltage, and overcurrent conditions
• High-precision voltage and current monitoring for reliable cell management
• Thermal shutdown functionality to prevent overheating during faults

Battery Management Applications

• Single-cell lithium-ion battery pack protection
• Lithium-polymer battery management systems
• Portable electronic devices requiring cell safety
• Power tool battery packs

Battery Management Procurement Notes

Verify the specific suffix '91RATBG' against official onsemi documentation to confirm tape-and-reel packaging and temperature grade specifications. Ensure compatibility with existing PCB footprints and design-in requirements before procurement. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Battery Management Selection Notes

Select this component for applications requiring integrated protection for single-cell Li-ion or Li-Po batteries. Consider the embedded MOSFET Rds(on) and package thermal performance relative to expected load currents. Verify that the protection thresholds align with the specific battery chemistry and system voltage requirements.

Battery Management Part Context

This part belongs to the LC057 series of battery protection ICs from onsemi. These devices are engineered for compact, cost-effective solutions in portable electronics. The series typically offers various configurations and packages to suit different form factors and current handling needs within single-cell battery applications.

Battery Management Replacement Considerations

Check for direct substitutes such as LC05711ARA if pinout and electrical characteristics match. Verify functional equivalence regarding protection thresholds and MOSFET integration before substitution.