MP26053DQ-LF-P

Overview

The MP26053DQ-LF-P is a linear single-cell lithium-ion battery charger from Monolithic Power Systems. It supports input voltages from 3.5 V to 6.5 V and delivers a fixed output voltage of 4.2 V. The device operates within a temperature range of -40 °C to +85 °C and features a low quiescent current of 200 µA. Packaged in a QFN-10 footprint for surface mount installation, it is designed for efficient charge management in compact portable electronics.

Feature Summary

• Linear charging architecture optimized for single-cell lithium-ion and lithium-polymer batteries
• Integrated thermal regulation to manage power dissipation during high-current charging cycles
• Low standby current consumption to extend battery life in portable applications

Applications

• Single-cell lithium-ion battery charging in portable consumer electronics
• Power management for mobile communication devices
• Charging solutions for wearable technology and IoT sensors

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Ensure compatibility with existing PCB footprints and thermal design requirements. Cross-reference the manufacturer's latest documentation for any updates on RoHS compliance or environmental certifications before finalizing procurement orders.

Selection Notes

Select this component when a simple linear solution is preferred over switching regulators for noise-sensitive applications. Consider the thermal performance limits based on the expected ambient temperature and board copper area. Verify that the input voltage range aligns with the system's power supply capabilities to ensure stable operation throughout the discharge cycle.

Part Context

This part belongs to the MP2605 series of battery chargers by Monolithic Power Systems. It shares architectural similarities with other members like the MP26053DQ-LF-Z but may differ in packaging or reel specifications. The series targets cost-effective and space-constrained designs requiring reliable single-cell charge management without complex external components.

Replacement Considerations

Direct substitutes include MP26053DQ-LF-Z if pinout and electrical characteristics match exactly. Evaluate alternative packages within the same series only if mechanical constraints allow. Always verify functional equivalence through official cross-reference guides rather than assuming interchangeability based on part number similarity alone.