MP2604DQ-LF-Z

Overview

The MP2604DQ-LF-Z is a single-cell lithium-ion linear battery charger manufactured by Monolithic Power Systems. It operates with an input voltage range of 3.5 V to 6.5 V and delivers a regulated output voltage of 4.2 V. The device supports a programmable charging current from 85 mA to 1 A. It features integrated protection against input surges up to 28 V, thermal shutdown, and battery temperature monitoring. The component is housed in a compact 10-pin QFN package measuring 3 mm x 3 mm and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates high-voltage input protection capable of withstanding 28V surge events
• Provides precise constant-current and constant-voltage charging profiles
• Includes comprehensive safety mechanisms such as thermal regulation and reverse current blocking

Applications

• Portable electronic devices requiring single-cell lithium-ion power management
• USB-powered consumer electronics
• Battery-powered handheld instruments

Procurement Notes

Verify the specific suffix designation to ensure compliance with environmental standards and packaging requirements. Confirm that the supply chain source provides authentic components matching the manufacturer's specifications. Cross-reference the ordering information with official distributor catalogs to validate part authenticity and technical parameters before finalizing procurement decisions.

Selection Notes

Select this component for applications necessitating a linear charging solution with robust input transient immunity. The integrated 28V surge tolerance simplifies system design by reducing external protection requirements. Consider the thermal performance and package size constraints when evaluating suitability for space-constrained portable designs.

Part Context

This model belongs to the MP2604 series of linear chargers designed for single-cell lithium-ion batteries. It represents a specialized power management integrated circuit focused on efficient charge control and system protection. The device integrates essential charging algorithms and safety features into a minimal footprint, serving as a core component in modern battery-powered systems.

Replacement Considerations

Public confirmed substitute part numbers: MP2604DQ-LF-P.