MP26053DQ-LF-Z

Overview

The MP26053DQ-LF-Z is a single-cell lithium-ion battery charger from Monolithic Power Systems. It supports an input voltage range of 3.5 V to 6.5 V and delivers a regulated output voltage of 4.2 V. The device operates with a supply current of 200 µA and functions within a temperature range of -40 °C to +85 °C. It utilizes a QFN-10 surface-mount package for integration.

Feature Summary

• Linear charging architecture designed for single-cell lithium-ion applications
• Integrated high-voltage input protection handling up to 28V surges
• Low quiescent current operation for efficient power management

Applications

• Portable electronic devices requiring single-cell battery charging
• Consumer electronics powered by lithium-ion or lithium-polymer cells
• Systems utilizing USB or adapter inputs for power delivery

Procurement Notes

Verify the specific suffix LF-Z against official MPS documentation to confirm lead-free status and reel packaging specifications. Ensure compatibility with the required QFN-10 footprint and thermal requirements during procurement planning.

Selection Notes

Select this component when a linear charger solution is sufficient for the application's thermal constraints. It is suitable for systems where input voltages remain within the 3.5 V to 6.5 V range and do not require switching regulator efficiency.

Part Context

This part belongs to the MP2605 series of charge management ICs. It shares architectural similarities with other members like the MP2605, focusing on linear regulation for single-cell batteries while integrating robust input protection features.

Replacement Considerations

MP2605DQ-LF-Z is a verified substitute within the same series offering identical core specifications and pinout compatibility.