MCP73834T-CNI/MF

Overview

The MCP73834T-CNI/MF is a linear charge management controller designed for single-cell lithium-ion and lithium-polymer batteries. It supports output voltages of 4.2 V, 4.35 V, 4.4 V, and 4.5 V with a maximum output current of 1200 mA. The device operates on an input supply voltage ranging from 3.75 V to 6 V. It features a DFN-10 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Supports multiple fixed charging termination voltages including 4.2 V, 4.35 V, 4.4 V, and 4.5 V.
• Integrates thermal regulation to automatically reduce charging current during high temperature conditions.

Applications

• Single-cell lithium-ion battery charging
• Lithium-polymer battery management systems

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm the exact termination voltage configuration (4.2V, 4.35V, 4.4V, or 4.5V). Ensure the package type matches the required footprint, as variations exist between MSOP and DFN formats within this product family. Cross-reference the datasheet to confirm compatibility with the target system's input voltage range.

Selection Notes

Select this component when a programmable linear charger with integrated thermal regulation is required for single-cell applications. Consider the available termination voltage options to match the specific battery chemistry requirements. Evaluate the package size constraints, as the device is available in both MSOP and DFN configurations depending on the specific part number variant.

Part Context

This component belongs to the MCP7383x series of charge management controllers manufactured by Microchip Technology. It is designed for portable electronic devices requiring efficient and safe charging of single-cell lithium-based batteries. The series provides a compact solution with built-in protection features suitable for space-constrained designs.

Replacement Considerations

MCP73834T-CNI/UN