MP2639AGR-Z

Overview

The MP2639AGR-Z is a Monolithic Power Systems Inc. integrated circuit designed for charging two-cell lithium-ion or lithium-polymer battery packs. It operates within a battery pack voltage range of 4.5V to 5.5V and supports a maximum charging current of 2.5A. The device accepts a supply voltage up to 8.7V, with a maximum rated input of 5.75V. It utilizes a 26-PowerVFQFN package (26-QFN 4x4) for surface mount installation. The component functions across an operating temperature range of -40°C to 125°C TJ.

Feature Summary

• Supports programmable constant-current and constant-voltage charging profiles for two-cell battery configurations.
• Integrates comprehensive fault protection mechanisms including overvoltage and short-circuit safeguards.
• Features programmable charge current, timer, and voltage settings for customized power management.

Applications

• Portable electronic devices requiring two-cell lithium-ion battery management
• Lithium-polymer battery charging systems in consumer electronics
• Power management solutions for compact mobile hardware

Procurement Notes

Verify the specific suffix 'AGR' against official datasheets to confirm pinout and functional compatibility before integration. Ensure the selected packaging format matches production requirements. Confirm RoHS compliance status and environmental declarations align with regional regulatory standards. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and sourcing channels.

Selection Notes

Select this component when designing systems necessitating dual-cell battery support with a 2.5A current limit. Evaluate thermal performance within the specified -40°C to 125°C junction temperature range. Consider the 26-pin QFN footprint constraints during PCB layout. Verify that the input supply voltage remains within the 5.75V maximum rating to ensure reliable operation.

Part Context

This IC belongs to the MP series of battery chargers from Monolithic Power Systems. It is categorized under PMIC battery management components. The device addresses the need for efficient, space-constrained charging solutions in portable applications. It represents a specialized solution for managing energy storage in modern mobile devices.

Replacement Considerations

MP2639CGR-Z is documented as a direct substitute by the manufacturer. Verify electrical parameter equivalence and pin compatibility before substitution.

FAQ

What battery chemistries does the MP2639AGR-Z support?

It supports both lithium-ion and lithium-polymer battery chemistries.

Does the MP2639AGR-Z include short-circuit protection?

Yes, the device integrates overvoltage and short-circuit protection features.