MCP73864T-I/ML

Overview

The MCP73864T-I/ML is a single-cell lithium-ion or lithium-polymer battery charge management controller manufactured by Microchip Technology. It integrates linear charging, system load distribution, and thermal regulation in a compact ML package. The device supports input voltages from 4.5V to 12V and offers programmable charge current up to 1A. It features an internal charge safety timer and temperature monitoring to ensure safe operation. The component provides high accuracy for precise battery management and includes status indicators for charge completion and fault conditions.

Feature Summary

• Integrates linear charging with system load balancing capabilities
• Includes on-chip thermal regulation to manage heat during charging
• Features internal charge safety timer for enhanced protection
• Supports temperature monitoring via external thermistor

Applications

• Portable consumer electronics requiring single-cell Li-ion/Polymer charging
• Space-limited embedded systems needing integrated power management
• Battery-powered devices requiring thermal regulation during charging
• Medical equipment with strict safety timer requirements

Procurement Notes

Verify the specific suffix 'I/ML' against the official datasheet to confirm industrial temperature range and QFN package type. Confirm end-of-life status as some sources indicate discontinuation. Ensure compatibility with existing PCB footprint and thermal design before procurement.

Selection Notes

Select this component when a highly integrated solution for single-cell lithium batteries is required. It is suitable for applications where board space is limited and thermal management is critical. Compare with other MCP7386x variants if different pinouts or current limits are needed.

Part Context

This part belongs to the MCP7386X series of charge management controllers from Microchip Technology. The series is designed for high integration in portable applications. The MCP73864 variant specifically targets single-cell lithium chemistry with integrated load switch functionality.

Replacement Considerations

Check for direct substitutes within the MCP7386x family such as MCP73861, MCP73862, or MCP73863, ensuring pinout and electrical specifications match. Verify availability as the original part may be discontinued.