MP2615DGQ-P

Overview

The MP2615DGQ-P is a high-efficiency switching battery charger from Monolithic Power Systems, designed for single or dual-cell lithium-ion and lithium-polymer batteries. It operates within an input voltage range of 4.75 V to 18 V and delivers a programmable maximum charging current of 2 A. The device utilizes constant on-time (COT) control to maintain up to 99% duty cycle, ensuring efficient charging even when the battery voltage approaches the input supply. It features integrated power switches, internal loop compensation, and precise voltage regulation with ±0.75% accuracy. Packaged in a compact 3 mm × 3 mm QFN-16 footprint, it supports operation temperatures from -40°C to +125°C.

Feature Summary

• Supports single or dual-cell lithium-ion and lithium-polymer battery chemistries
• Integrates power switches and internal loop compensation to minimize external component count
• Provides battery temperature monitoring and protection via thermistor input
• Includes reverse discharge lockout protection to prevent battery drain

Applications

• Portable consumer electronics requiring compact power management solutions
• Single or dual-cell lithium-ion battery packs in mobile devices
• Industrial equipment utilizing lithium-based energy storage systems
• Medical devices with strict size constraints for battery charging circuits

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and package variations. Ensure compatibility with system input voltage ranges and thermal requirements before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by regional regulations. Validate that the selected variant matches the intended cell configuration and charging profile specifications.

Selection Notes

Select this component for applications requiring high efficiency in space-constrained designs. The integrated power switches reduce bill of materials complexity compared to discrete solutions. Consider the operating temperature range and thermal dissipation capabilities for enclosure design. Evaluate the need for external programming resistors to set charging currents and termination voltages. Ensure the input power source can sustain the peak current demands during fast-charging phases without voltage droop.

Part Context

This device belongs to the MP2615 family of battery chargers from Monolithic Power Systems. The family includes variants such as MP2615GQ-Z and MP2615CGQ-P, which share similar core functionalities but may differ in temperature grades or specific feature sets. The MP2615 series is engineered for high-density portable applications, offering a balance of performance and size through its advanced switching topology and compact QFN packaging.

Replacement Considerations

MP2615GQ-Z is a confirmed substitute within the same product family.