MP26124GR-Z

Overview

The MP26124GR-Z is a switching lithium-ion battery charger from Monolithic Power Systems, designed for four-cell series configurations. It operates with a maximum input voltage of 24V and delivers a programmable charging current up to 2A. The device outputs a nominal voltage of 16.8V for the battery pack. It utilizes a fixed 600kHz switching frequency to optimize external component size. The IC is housed in a QFN-16 package and supports surface mount installation. It features a maximum operating temperature of +125°C and a quiescent supply current of 2mA. The power dissipation capability is rated at 2.7W.

Feature Summary

• Integrates high-efficiency synchronous rectification for optimized power conversion in compact designs.
• Includes comprehensive protection mechanisms such as over-temperature and over-current safeguards.
• Supports programmable charge current and timer functions for flexible battery management.

Applications

• Portable electronic devices requiring multi-cell battery packs
• Industrial equipment utilizing lithium-ion battery systems
• Consumer electronics with high-power requirements

Procurement Notes

Verify the specific suffix designation to confirm packaging configuration, as variants exist for reel or cut tape formats. Ensure compatibility with the required input voltage range and thermal management solutions for the QFN-16 package. Confirm RoHS compliance status through official manufacturer documentation prior to integration into final assemblies.

Selection Notes

Select this component for applications necessitating a 24V input interface and four-series cell architecture. The integrated power switches reduce external bill of materials compared to discrete solutions. Consider the thermal performance within the QFN-16 footprint when designing the PCB layout for adequate heat dissipation under maximum load conditions.

Part Context

This part belongs to the MP26124 family of battery chargers, which are engineered for high-density power management. The GR-Z suffix typically denotes a specific tape and reel packaging option intended for automated surface mount assembly processes. It represents a specialized solution within the broader portfolio of lithium-ion charging ICs offered by the manufacturer.

Replacement Considerations

• MP26124GR-P

FAQ

What is the maximum supported input voltage?

The device supports a maximum working supply voltage of 24V.

How many battery cells does this charger support?

It is designed for charging four-series (4S) lithium-ion battery packs.