MP2631DQ-LF-Z

Overview

The MP2631DQ-LF-Z is a linear single-cell lithium-ion/polymer battery charger IC from Monolithic Power Systems. It supports an input voltage range of 3.5 V to 6.5 V and delivers a programmable charge current up to 1 A. The device provides a fixed 4.2 V output for charging. It operates within a temperature range of -40°C to +85°C and is housed in a QFN-10 package.

Feature Summary

• Supports constant-current/constant-voltage charging profiles for Li-Ion and Li-Po batteries
• Integrates NTC thermistor monitoring for thermal regulation
• Features programmable current limit control

Applications

• Portable consumer electronics
• Mobile communication devices
• Wearable technology

Procurement Notes

Verify the specific datasheet version and RoHS compliance status before integration. Confirm that the QFN-10 footprint matches your PCB layout requirements. Ensure the design accommodates the specified operating temperature range of -40°C to +85°C for reliable performance in target environments.

Selection Notes

Select this component for applications requiring a compact, single-cell linear charging solution with integrated thermal management. It is suitable for designs where input voltage is stable and efficiency constraints allow for linear regulation. Verify compatibility with the system's NTC sensor configuration.

Part Context

This part belongs to the MP26121 series family of battery chargers. It shares similar functional characteristics with other single-cell linear chargers in the MPS portfolio, designed for portable devices requiring simple, cost-effective power management solutions.

Replacement Considerations

The MP26121DQ-LF-Z is a documented alternative within the same manufacturer's lineup. Verify pinout compatibility and electrical parameter alignment before substitution.