MP2635GR-P

Overview

The MP2635GR-P 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 an output voltage range of 2.5V to 4.35V. The device operates on a supply voltage between 4.5V and 6V, drawing a typical operating current of 2.5mA. It features a QFN-24 package (4x4mm) suitable for surface mount installation. The component functions within a temperature range of -40°C to +125°C, with a power dissipation rating of 2.97W.

Feature Summary

• Switch-mode architecture for high-efficiency single-cell battery charging
• Programmable constant-current charging capability
• Integrated timer-based charge termination function
• Built-in over-temperature and short-circuit fault protection

Applications

• Portable electronic devices requiring single-cell lithium-ion or polymer battery management
• Consumer electronics utilizing compact surface-mount power solutions
• Battery-powered systems needing efficient charge regulation within 4.5V to 6V input ranges

Procurement Notes

Verify the specific suffix against official MPS documentation to confirm exact electrical characteristics and packaging options. Confirm RoHS compliance status through manufacturer declarations. Check lead times as production cycles may vary significantly. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Selection Notes

Select this component when designing circuits for single-cell lithium batteries requiring up to 2A charging current. The QFN-24 package offers a compact footprint for space-constrained designs. Consider the 4.5V to 6V input voltage range when defining the system power supply. Evaluate thermal performance given the 2.97W power dissipation rating in the final layout.

Part Context

This part belongs to the MP2635 series of battery chargers manufactured by Monolithic Power Systems. It is categorized under PMIC - Battery Management components. The GR-P suffix indicates a specific tape-and-reel packaging configuration. It serves as a specialized solution for managing charge cycles in portable applications compared to linear alternatives.

Replacement Considerations

MP2635GR-Z is listed as a parameter-equivalent alternative by distributors.