MCP73833-NVI/UN

Overview

The MCP73833-NVI/UN is a single-cell lithium-ion or lithium-polymer battery charge management controller manufactured by Microchip Technology. It operates within an input voltage range of 3.75 V to 6 V and provides a regulated output voltage of 4.2 V with a maximum output current capability of 1.2 A. The device is housed in a compact MSOP package, suitable for surface mount technology (SMD/SMT) installation. It supports an operating temperature range from -40°C to +85°C and includes humidity sensitivity features.

Feature Summary

• Integrates complete charge management control functions into a single chip for reliable charging of high-capacity batteries.
• Includes standard safety features such as thermal regulation to ensure safe operation during the charging process.
• Designed for small form factor applications using efficient packaging options.

Applications

• Portable electronic devices requiring single-cell lithium-ion battery charging
• Lithium-polymer battery powered consumer electronics
• Compact power management systems in mobile hardware

Procurement Notes

Verify the specific suffix NVI against official Microchip documentation to confirm exact pinout, package dimensions, and electrical tolerances. Ensure compatibility with your PCB layout requirements for the MSOP package. Confirm moisture sensitivity level handling procedures during assembly. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Check for any recent product change notices affecting this specific variant.

Selection Notes

Select this component when designing circuits for single-cell Li-Ion or Li-Po batteries requiring integrated charge management. Consider the 1.2 A output current limit and 3.75 V to 6 V input range for power supply design. Evaluate the MSOP package size constraints against available board space. Verify thermal performance needs given the integrated thermal regulation feature. Compare against other MCP7383x variants if different packaging or specific electrical characteristics are required.

Part Context

This part belongs to the MCP7383x family of charge management controllers from Microchip Technology. The family is designed to simplify battery charger designs by integrating key standard charging management and safety functions. These controllers are widely used in portable applications where space and efficiency are critical. The MCP73833 specifically targets single-cell lithium-based chemistries.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult Microchip technical support or official datasheets for direct replacements or pin-compatible alternatives within the MCP7383x series.