MP2661GC-0000-Z

Overview

The MP2661GC-0000-Z is a single-cell lithium-ion battery charger IC from Monolithic Power Systems, designed for portable devices. It features integrated power path management and I2C control. The device supports a maximum charging current of 500mA and operates with an input voltage range of 4.35V to 5.5V. It utilizes a 9-pin WLCSP package measuring 1.55mm x 1.55mm. The component functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates system power path management to enable simultaneous system powering and battery charging
• Includes full set of power switches eliminating the need for external blocking diodes
• Provides programmable charging parameters via an I2C interface
• Features built-in protection mechanisms including over-current, over-temperature, and short-circuit safeguards

Applications

• Single-cell lithium-ion battery charging in portable electronics
• Power path management for USB-powered devices
• Battery management systems requiring I2C programmability

Procurement Notes

Verify the specific suffix against official MPS documentation to confirm exact configuration options. Confirm package dimensions and thermal characteristics match design requirements. Ensure compatibility with existing I2C bus protocols. Check for any recent revisions or obsolescence notices directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component for applications requiring a compact solution for single-cell Li-Ion batteries with integrated power path capabilities. The I2C interface allows for flexible configuration of charging parameters. Consider the WLCSP-9 package size constraints during PCB layout. Verify that the input voltage source aligns with the specified operating range for optimal performance.

Part Context

This part belongs to the MP2660/MP2661 series of battery chargers from Monolithic Power Systems. These ICs are designed for high integration in space-constrained portable applications. The series typically includes variants with different packaging or slight parameter adjustments, all sharing core power path management and I2C control functionalities.

Replacement Considerations

MP2661GC-0000-P is listed as a parameter-equivalent alternative by distributors.