AS3661-BWLT

Overview

The AS3661-BWLT is an LED driver IC manufactured by ams OSRAM. It functions as a 9-output DC-DC regulator utilizing a switched capacitor (charge pump) architecture. The device supports I2C dimming control and provides a maximum output current of 25.5mA. It is housed in a 25-WLCSP package with dimensions of 2.3x2.3 mm.

Feature Summary

• Integrates a 9-channel charge pump for efficient LED regulation
• Supports digital control via I2C interface for dimming applications

Applications

• Smart lighting systems requiring multi-channel LED control
• Portable electronic devices with space-constrained LED arrays
• Automotive interior ambient lighting modules

Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm availability status directly with authorized distributors, as supply chain conditions may vary. Ensure that the WLCSP package handling procedures align with your assembly capabilities.

Selection Notes

Select this component when a compact solution for driving multiple LEDs from a single voltage source is required. The integrated charge pump eliminates the need for external inductors, saving board space. Verify that the I2C address configuration meets your system's bus topology constraints before finalizing the design.

Part Context

This part belongs to the Smartlight family of LED drivers from ams OSRAM. These components are designed for high integration and efficiency in portable and automotive applications. The series emphasizes small form factors and digital controllability to support modern smart lighting trends.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference tools or contact technical support for validated alternatives.