MP26124GR-P

Overview

The MP26124GR-P 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 24 V and delivers a programmable output current up to 2 A. The device supports a fixed switching frequency of 600 kHz and provides a regulated output voltage of 16.8 V. Packaged in a QFN-16 form factor, it functions within an operating temperature range extending to +125°C.

Feature Summary

• Integrated synchronous rectification architecture for high conversion efficiency
• Programmable charge current control via external resistor setting
• Automatic transition between constant-current and constant-voltage charging phases
• Built-in thermal regulation to manage power dissipation under load

Applications

• Portable electronic devices requiring multi-cell battery packs
• Industrial equipment utilizing 4S lithium-ion battery systems
• Medical instrumentation with strict power management requirements
• Consumer electronics powered by high-capacity battery arrays

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm package type and environmental compliance status. Ensure that any ordering suffixes do not alter the functional parameters or pinout configuration. Cross-reference the component marking with the datasheet to validate authenticity and traceability before integration into production designs.

Selection Notes

Select this component when designing circuits for four-series lithium-ion batteries requiring up to 2 A charging capability. Confirm that the system input voltage remains within the 24 V limit and that the thermal design accommodates the specified power dissipation. Verify compatibility with the required switching frequency and ensure the PCB layout supports the QFN-16 package thermal pad requirements.

Part Context

This part belongs to the MP26124 family of battery chargers manufactured by Monolithic Power Systems. It is categorized under PMIC - Battery Management ICs. The GR-P designation indicates the specific QFN-16 package variant with lead-free composition. It serves as a dedicated solution for managing charge cycles in multi-cell lithium-ion applications.

Replacement Considerations

MP26124GR-Z is listed as a parameter-equivalent substitute by the manufacturer.