AAT3104IJQ-2-T1

LED Driver IC Overview

The AAT3104IJQ-2-T1 is a switching voltage regulator manufactured by Skyworks Solutions, Inc., classified under PMIC - Power Management ICs. It functions as a 1x/2x 4-channel charge pump WLED driver with an SC-70-JW-10 package. The device operates within an input voltage range of 2.7 V to 5.5 V and provides a maximum output current of 150 mA at 5 V. It features a 1 MHz switching frequency and supports SMD/SMT installation. The component is rated for operation between -40°C and +85°C.

LED Driver IC Feature Summary

• Integrates a 1x/2x charge pump architecture for white LED driving applications
• Provides four independent output channels for multi-string LED control
• Operates efficiently at a fixed 1 MHz switching frequency

LED Driver IC Applications

• White LED backlighting in portable electronic devices
• Mobile phone display illumination systems
• Compact consumer electronics requiring high-efficiency LED drivers

LED Driver IC Procurement Notes

This component is officially listed as End-of-Life (EOL) by the manufacturer. Distribution channels indicate restricted availability or discontinuation. Verify current stock status and obsolescence notifications directly with authorized suppliers before design finalization. Replacement strategies should be initiated immediately due to limited supply chain access.

LED Driver IC Selection Notes

Select this part only if legacy compatibility with existing 4-channel WLED designs is required. Ensure the application strictly adheres to the 2.7 V to 5.5 V input range and 150 mA output limit. Consider the SC-70-JW-10 footprint constraints during PCB layout. Evaluate alternative modern components if new product development is underway, given the EOL status.

LED Driver IC Part Context

The AAT3104 series belongs to Skyworks Solutions' portfolio of power management integrated circuits designed for mobile and portable applications. This specific model targets white LED backlighting needs, utilizing charge pump technology to boost voltage efficiently from low battery sources while maintaining compact form factors suitable for space-constrained handheld devices.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the End-of-Life status, engineers must identify pin-compatible or functionally equivalent alternatives through independent technical comparison rather than relying on official manufacturer cross-reference lists.