ISL97692IRTZ

Overview

The ISL97692IRTZ is a four-channel LED driver IC manufactured by Renesas Electronics Corporation. It integrates a boost DC-DC converter and PWM dimming controls for backlight applications. The device operates on a supply voltage range of 2.4V to 5.5V, delivering up to 40mA per channel with a maximum output voltage of 26V. Switching frequency is adjustable between 400kHz and 1.5MHz. It functions within an ambient temperature range of -40°C to +85°C and utilizes a 16-TQFN (3x3mm) package.

Feature Summary

• Integrates a high-efficiency boost DC-DC converter with internal power switches
• Supports independent 12-bit PWM dimming control for each output channel
• Includes open LED protection circuitry to prevent damage during faults

Applications

• LCD panel backlight systems
• Portable electronic devices requiring regulated LED driving

Procurement Notes

Verify component authenticity through authorized channels as the part is officially discontinued. Confirm final assembly dates against product change notices regarding end-of-life status. Ensure storage conditions comply with moisture sensitivity level 3 requirements prior to reflow soldering processes.

Selection Notes

Select this component for designs requiring multi-channel LED regulation from low-voltage sources. Evaluate thermal performance within the specified operating temperature range. Verify that the required output voltage does not exceed the 26V limit. Consider the 16-TQFN footprint constraints during PCB layout planning.

Part Context

This integrated circuit belongs to the ISL97692 series of LED lighting drivers. It is designed specifically for regulating current in multiple LED strings using a boost topology. The device combines power management and control logic in a compact surface-mount package suitable for space-constrained portable electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.