MCP73838T-NVI/MF

Overview

The MCP73838T-NVI/MF is a single-cell lithium-ion or lithium-polymer battery charge management controller manufactured by Microchip Technology. It features an autonomous input source selection mechanism between USB and AC adapter inputs, eliminating the need for external control logic. The device integrates a full-featured linear charger with thermal regulation to maintain safe operating temperatures during high-current charging cycles.

Feature Summary

• Autonomous switching between USB and AC adapter power sources without external intervention
• Integrated thermal regulation to reduce charging current when die temperature exceeds safe limits
• Complete charge cycle management including pre-conditioning, constant current, and constant voltage phases

Applications

• Portable electronic devices requiring single-cell Li-Ion or Li-Po battery charging
• USB-powered consumer electronics with integrated battery backup
• Industrial handheld instruments utilizing AC adapter or USB power inputs

Procurement Notes

Verify the exact suffix 'NVI/MF' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with your system's input voltage range and thermal requirements before procurement. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when autonomous input source detection is required without additional microcontroller overhead. It is suitable for applications needing integrated thermal protection and standard Li-Ion/Li-Po charging profiles. Compare pinout and package dimensions with existing designs to ensure mechanical fit within the enclosure constraints.

Part Context

This part belongs to the MCP7383x family of battery chargers from Microchip Technology. It shares functional similarities with other members like the MCP73837 but offers specific input handling characteristics. The T-NVI/MF designation indicates a specific tape-and-reel packaging configuration for automated assembly processes.

Replacement Considerations

Direct substitutes include the MCP73837 series variants with matching suffixes. Verify that alternative parts support the same autonomous input selection feature and thermal regulation capabilities. Check for pin-to-pin compatibility if replacing in an existing PCB layout.