NCP1855FCCT1G

Overview

The NCP1855FCCT1G is a switching battery charger integrated circuit manufactured by onsemi. It is designed for single-cell lithium-ion and lithium-polymer batteries. The device integrates a synchronous buck converter capable of delivering up to 2.5 A of charging current. It supports input voltages from standard USB ports or wall adapters. The component utilizes a compact WLCSP package suitable for space-constrained mobile applications.

Feature Summary

• Integrates a synchronous buck topology for efficient power conversion
• Supports programmable charging profiles including constant current and constant voltage phases
• Includes thermal regulation and safety monitoring features

Applications

• Smartphones and tablets
• Portable media players
• Wearable electronic devices

Procurement Notes

Verify the End-of-Life status with the manufacturer before design finalization. Confirm availability through authorized distributors as supply may be limited. Ensure compatibility with existing PCB layouts and thermal management strategies. Review the latest datasheet for any pinout or electrical specification updates prior to implementation.

Selection Notes

Select this component for applications requiring a compact, high-efficiency solution for single-cell Li-ion charging. Consider the 2.5 A output capability against system power demands. Evaluate the WLCSP package constraints for assembly processes. Compare against alternative chargers if higher current or multi-cell support is required.

Part Context

This part belongs to onsemi's portfolio of power management solutions for portable electronics. It addresses the need for efficient charging in slim mobile devices. The series focuses on integrating control logic and power switches to minimize external component count. It complements other battery management ICs in the ecosystem.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult onsemi technical support for direct replacements or compatible alternatives within the same product family.