MCP73834T-GPI/UN

Overview

The MCP73834T-GPI/UN is a single-cell lithium-ion or lithium-polymer battery charge management controller manufactured by Microchip Technology. It integrates a linear regulator and charge termination logic to manage the charging process for portable devices. The device supports input voltages up to 6V and provides programmable charge current via an external resistor. It features automatic recharge functionality and thermal regulation to ensure safe operation under varying environmental conditions.

Feature Summary

• Integrates linear charge regulation with thermal foldback control
• Supports standard lithium-ion and lithium-polymer cell chemistries
• Includes automatic recharge capability upon voltage drop below threshold

Applications

• Portable consumer electronics such as smartphones and tablets
• Medical devices requiring reliable battery management
• Industrial handheld equipment

Procurement Notes

Verify the suffix 'GPI/UN' corresponds to the specific package type and temperature grade required for your design. Confirm that the ordering information matches the exact pinout and electrical specifications listed in the official datasheet before finalizing procurement orders.

Selection Notes

Select this component when a compact, low-cost solution for single-cell Li-ion charging is needed. Ensure the application's input power source can provide sufficient current for the desired charge rate without exceeding the device's thermal limits. Verify compatibility with the target battery chemistry.

Part Context

This part belongs to Microchip's MCP7383x family of charge controllers. It is designed for applications where space and cost are critical constraints. The family offers various package options to suit different PCB layout requirements while maintaining consistent core charging performance characteristics.

Replacement Considerations

Check for direct replacements within the MCP7383x series. Verify pin compatibility and electrical parameters before substituting. Consult Microchip documentation for approved alternative part numbers.