DIO5644WL12

Overview

The DIO5644WL12 is a dual-channel LED lighting driver IC manufactured by DIOO Microcircuits. It utilizes a boost topology to drive flash LEDs with an output current of 1.5 A. The device supports adjustable output voltage and operates within an input voltage range of 2.7 V to 5.5 V. It features selectable switching frequencies of 2 MHz or 4 MHz and includes I2C control for dimming functions. Packaged in a WLCSP-12 format, it operates between -40°C and +85°C.

Feature Summary

• Dual-channel architecture designed for dual color temperature applications
• Integrated I2C interface for digital dimming control
• Configurable switching frequency selection between 2 MHz and 4 MHz

Applications

• Smartphone camera flash systems
• Mobile device torch lighting
• Compact electronic imaging modules

Procurement Notes

Verify the specific datasheet revision and electrical characteristics against the manufacturer's official documentation before integration. Confirm that the WLCSP-12 package dimensions and thermal requirements align with the target PCB layout. Ensure compatibility with the system's I2C bus voltage levels and signal integrity standards.

Selection Notes

Select this component for designs requiring high-efficiency boost conversion for dual-color LED arrays. The integrated I2C capability allows for precise brightness management without additional external logic. Consider the small WLCSP footprint when space constraints are critical, and verify that the 1.5 A peak current meets the specific flash intensity requirements of the application.

Part Context

This part belongs to the DIOO Microcircuits LED Drivers category, specifically under DC/DC Regulators with Step-Up (Boost) topology. It is classified as a Flash LED Driver intended for portable consumer electronics where size and efficiency are paramount.

Replacement Considerations

No publicly confirmed substitute part numbers are available in the provided source material.