AS3642-ZWLT-500

Overview

The AS3642-ZWLT-500 is an LED driver IC manufactured by ams OSRAM. It functions as a single-output DC-DC boost regulator designed for LED illumination applications. The device supports I2C dimming control and provides a regulated output current of 500mA. It is housed in a compact 6-WLCSP package with dimensions of 1.5x1.1 mm.

Feature Summary

• Integrated DC-DC boost regulator topology for efficient LED driving
• Digital I2C interface for precise dimming control
• Compact 6-WLCSP packaging suitable for space-constrained designs

Applications

• LED lighting systems requiring regulated current drive
• Portable electronic devices utilizing small form-factor drivers
• Illumination modules controlled via digital interfaces

Procurement Notes

Verify the specific suffix (e.g., -500) against official datasheets to confirm output current ratings and electrical characteristics. Ensure compatibility with the intended I2C bus voltage levels and check RoHS compliance documentation for regulatory requirements before procurement.

Selection Notes

Select this component when a low-profile solution is required for single-channel LED regulation. The integrated boost converter simplifies schematic design compared to linear drivers. Confirm that the 500mA output current aligns with the target LED forward voltage and power dissipation constraints.

Part Context

This part belongs to the ams OSRAM portfolio of semiconductor light emitters and sensors. The company specializes in digital photonics solutions, including LEDs, lasers, and associated driver ICs for automotive, industrial, and consumer markets.

Replacement Considerations

No publicly confirmed substitute part numbers are available in the provided source material. Consult official distributor catalogs or manufacturer engineering support for potential equivalents based on pinout and electrical specifications.