FAN54053UCX

Battery Chargers Overview

The FAN54053UCX is a high-efficiency switching charger for Lithium-ion batteries, manufactured by onsemi (formerly Fairchild Semiconductor). It integrates a power path controller and supports USB-OTG functionality. The device operates within a supply voltage range of 4 V to 6 V and delivers an output current of up to 2.3 A. It regulates the battery charging voltage to 4.2 V. The component is housed in a WLCSP-25 package suitable for surface mount installation. It functions reliably across an operating temperature range from -40 °C to +85 °C.

Battery Chargers Feature Summary

• Integrates a high-efficiency switching charger with a dedicated power path controller for seamless system power management.
• Supports USB On-The-Go (OTG) capabilities, enabling the device to act as a host or peripheral.
• Utilizes a small solution footprint via WLCSP packaging to minimize board space requirements.

Battery Chargers Applications

• Portable electronic devices requiring efficient Li-Ion battery charging
• USB-powered systems with OTG connectivity needs
• Space-constrained mobile hardware designs

Battery Chargers Procurement Notes

Verify the End-of-Life status before procurement, as the manufacturer has issued discontinuance notifications for this part. Confirm that the WLCSP-25 package variant matches your PCB layout requirements. Ensure compatibility with the 4 V to 6 V input range for your specific power source. Validate that the 4.2 V output setting aligns with your battery cell specifications. Check for any recent process change notifications affecting material composition.

Battery Chargers Selection Notes

Select this component when a compact, integrated solution for Li-Ion charging with power path management is required. It is suitable for applications where USB-OTG support is necessary alongside charging functions. Consider the WLCSP-25 package if board real estate is limited. Verify thermal performance within the specified -40 °C to +85 °C operating range for your environment.

Battery Chargers Part Context

This part belongs to the FAN54053 series of battery charge management ICs. It is categorized under PMIC - Power Management ICs. The manufacturer transitioned from Fairchild Semiconductor to onsemi following corporate restructuring. The device is classified as a specialized charge management solution for portable electronics.

Battery Chargers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the End-of-Life status, alternative components must be sourced through independent cross-reference tools or direct manufacturer consultation. Verify pinout and electrical parameter compatibility carefully.