MP2635GR-Z

Overview

The MP2635GR-Z is a single-cell switch-mode battery charger IC from Monolithic Power Systems, designed for lithium-ion and lithium-polymer batteries. It supports a maximum charging current of 2A with a programmable constant-current phase. The device operates within an input supply voltage range of 4.5V to 6V and delivers an adjustable output voltage between 2.5V and 4.35V. It features a QFN-24 package (4x4mm) suitable for surface-mount installation. The component functions across an extended temperature range from -40°C to +125°C, with a typical operating supply current of 2.5mA and power dissipation capability up to 2.97W.

Feature Summary

• Integrates a switching charge controller for high-efficiency single-cell battery management
• Includes automatic recharge functionality triggered by voltage drop below the threshold
• Provides comprehensive safety protections against over-temperature conditions and short circuits

Applications

• Portable electronic devices requiring single-cell lithium-ion or polymer battery charging
• Mobile communication equipment utilizing compact power management solutions
• Consumer electronics with space-constrained printed circuit board layouts

Procurement Notes

Verify the specific suffix designation when ordering, as variants such as GR-P and GR-Z may exhibit differences in standard delivery periods or manufacturing lot specifications. Confirm that the required quantity aligns with the manufacturer's standard packaging multiples to ensure availability. Cross-reference the datasheet version to validate compatibility with existing design parameters before finalizing procurement actions.

Selection Notes

Select this component for applications necessitating a compact footprint and efficient single-cell charging architecture. Ensure the system input voltage remains within the specified 4.5V to 6V operational window to guarantee proper regulation. Evaluate thermal requirements carefully, as the QFN-24 package relies on PCB copper areas for heat dissipation during high-current charging phases.

Part Context

This part belongs to the MP2635 series of battery chargers manufactured by Monolithic Power Systems. It serves as a specialized power management integrated circuit tailored for portable applications. The GR-Z suffix typically denotes a specific tape-and-reel packaging configuration intended for automated surface-mount assembly processes in high-volume production environments.

Replacement Considerations

• MP2635GR-P

FAQ

What is the maximum supported charging current for this device?

The MP2635GR-Z supports a maximum programmable charging current of 2A.

Does the device include protection against thermal runaway?

Yes, the IC incorporates over-temperature protection mechanisms to safeguard the battery and the charger itself during operation.