FAN54120UC425X

Battery Chargers Overview

The FAN54120UC425X is a single-cell linear battery charger designed for USB-compatible applications. It supports a maximum charge current of 500 mA and includes power back capability, allowing the system to operate from either the battery or an external source. The device integrates thermal regulation to manage heat dissipation during charging cycles.

Battery Chargers Feature Summary

• Integrates power back functionality for seamless system operation between battery and external power sources
• Includes built-in thermal regulation to automatically adjust charge current based on temperature
• Compatible with standard USB power supplies for convenient charging infrastructure

Battery Chargers Applications

• Small battery powered IoT devices
• Single-cell lithium-ion portable electronics
• USB-powered consumer gadgets

Battery Chargers Procurement Notes

Verify the specific suffix UC425X against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint and check for any recent process change notifications that may affect pinout or electrical characteristics before finalizing procurement.

Battery Chargers Selection Notes

Select this component when designing systems requiring a compact solution for single-cell lithium batteries with USB input. Consider its integrated thermal management if space constraints limit heatsinking options. Evaluate the power back feature necessity for applications requiring uninterrupted operation during power transitions.

Battery Chargers Part Context

This part belongs to the FAN54120 series of battery chargers from onsemi. It is categorized under PMIC - Battery Management within the broader power management IC portfolio. The device is engineered for high integration in small form factor designs common in modern mobile and IoT hardware.

Battery Chargers Replacement Considerations

Check for direct substitutes within the FAN54120 family with different suffixes for package variations. Verify cross-compatibility with other single-cell chargers offering similar 500 mA ratings and USB compatibility, ensuring pin-to-pin matching if board re-use is required.