ISL97673IRZ-T

Overview

The ISL97673IRZ-T is a six-channel LED driver IC manufactured by Renesas Electronics. It operates as a boost DC-DC converter with an integrated internal switch, designed for backlight applications. The device supports a supply voltage range of 4.5V to 26.5V and delivers up to 40mA per channel. It features PWM dimming control and offers selectable switching frequencies of 600kHz or 1.2MHz. The component is housed in a 20-VFQFN package with an exposed pad and is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

• Six independent output channels for driving LED arrays
• Integrated boost topology with internal power switch
• Supports PWM dimming control interface
• Selectable switching frequency options

Applications

• Backlight systems
• Automotive displays

Procurement Notes

Verify the specific suffix against official documentation to confirm packaging type and reel specifications. Ensure the ordering quantity aligns with manufacturer minimum order requirements. Confirm RoHS compliance status through current datasheets. Validate that the intended application environment falls within the specified automotive-grade temperature ratings.

Selection Notes

Select this component when a multi-channel solution with integrated boost regulation is required. Consider the 40mA output capability and available switching frequencies for EMI management. Verify compatibility with the system's PWM dimming controller. Ensure the input voltage range matches the power supply design constraints.

Part Context

This part belongs to the ISL97673 series of LED drivers from Renesas. The series focuses on providing regulated current for multiple LED strings in compact packages. The IRZ-T designation indicates a tape and reel packaging format suitable for automated surface-mount assembly processes.

Replacement Considerations

Public confirmed substitute part numbers are not available.