FAN5646UC00X

Overview

The FAN5646UC00X is a flexible and compact LED driver IC from onsemi, designed for blinking or breathing LED indicators. It operates within an input voltage range of 2.7 V to 5.5 V and provides an output current capability of up to 22 mA. The device utilizes a 4-pin WLCSP package. Its internal programmable blink algorithm eliminates the need for continuous system processor control, thereby extending battery life in handheld systems.

Feature Summary

• Internal programmable blink algorithm for indicator functions
• Eliminates requirement for continuous system processor control
• Compact 4-pin WLCSP package design

Applications

• Blinking LED indicators
• Breathing LED indicators
• Handheld systems requiring extended battery life

Procurement Notes

Verify the specific suffix UC00X against official datasheets to confirm pinout and electrical characteristics. Ensure compatibility with the target application's voltage and current requirements before integration. Check for end-of-life notices or alternative part recommendations from the manufacturer.

Selection Notes

Select this component when a dedicated hardware solution for LED blinking is required without software overhead. It is suitable for applications where space is limited due to its small footprint. Consider the maximum output current and input voltage range to ensure proper operation under all expected conditions.

Part Context

This part belongs to the FAN5646 series of LED drivers. It is categorized under PMIC-LED drivers and is manufactured by onsemi (formerly Fairchild Semiconductor). The series focuses on providing efficient and compact solutions for visual indication tasks in portable electronics.

Replacement Considerations

Consult official substitution guides for equivalent parts. Verify that any replacement maintains the same package type and electrical specifications to ensure board compatibility.