IW7039A-00-QFN4-A

Overview

The IW7039A-00-QFN4-A is a 32-channel LED backlighting driver IC manufactured by Renesas Electronics. It features an internal current sink topology with boost and buck output configurations. The device supports an adjustable output voltage and operates within a power supply range of 300 mV to 20 V. Each channel provides an output current of 66 mA. The operating frequency ranges from 44 Hz to 32 kHz. It functions within a temperature range of -20 °C to +85 °C and is available in a QFN4 package.

Feature Summary

• Integrates 32 independent channels for high-density LED control
• Supports both boost and buck output topologies for flexible LED string configurations
• Includes internal current sinks for precise channel regulation

Applications

• LED backlighting driver systems
• High-density LED array control
• Display backlighting applications

Procurement Notes

Verify the specific suffix 'A' against official Renesas documentation to confirm if it denotes a distinct revision or variant compared to standard listings. Confirm availability status as some distributors indicate limited supply for this part number. Ensure the QFN4 package type matches the target PCB footprint requirements before procurement.

Selection Notes

Select this component when a high channel count is required for uniform LED illumination. The integrated boost and buck capabilities allow adaptation to various LED forward voltage requirements without external complex circuitry. Verify that the 66 mA per channel current rating meets the specific brightness targets of the application design.

Part Context

This device belongs to the IW7039 series of LED lighting driver ICs. It is designed for applications requiring multiple synchronized channels. The product is associated with Renesas Electronics, formerly Dialog Semiconductor, focusing on power management and signal chain solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.