ZXLD1374QESTTC

Overview

The ZXLD1374QESTTC is a single-channel LED lighting driver IC from Diodes Incorporated, designed for automotive applications with AEC-Q100 qualification. It integrates a high-side switch capable of delivering 1.5 A output current and supports both Boost and Buck topologies. The device operates within an input voltage range of 6.3 V to 60 V and features an adjustable switching frequency up to 1 MHz. It includes PWM dimming capability and functions across a temperature range of -40°C to +125°C in a 20-TSSOP-EP package.

Feature Summary

• Integrates a high-side power switch for direct LED drive without external components
• Supports flexible boost and buck converter topologies for various LED configurations
• Enables precise brightness control through hardware PWM dimming interface
• Qualified for automotive environments meeting AEC-Q100 reliability standards

Applications

• Automotive exterior lighting systems including headlights and DRLs
• Interior vehicle illumination circuits requiring wide input voltage tolerance
• LED modules utilizing series or parallel string arrangements
• General-purpose DC-DC regulation in automotive electronics

Procurement Notes

Verify the complete part number including suffixes against official Diodes Incorporated documentation to ensure correct packaging and tape/reel specifications. Confirm AEC-Q100 certification status if automotive compliance is required. Check datasheet revisions for any updates to thermal characteristics or pinout definitions before finalizing design integration.

Selection Notes

Select this component when designing LED drivers that require integrated switching capabilities in a compact form factor. The wide input voltage range suits battery-powered automotive systems subject to load dump conditions. Ensure the application demands a single-channel solution with support for both step-up and step-down operations to maximize design flexibility.

Part Context

This part belongs to the ZXLD1374 family of LED drivers manufactured by Diodes Incorporated. The 'Q' suffix typically indicates automotive-grade qualification, while 'ESTTC' specifies the specific package type and reel configuration. It is categorized under Power Management, specifically DC/DC LED Drivers within the manufacturer's portfolio.

Replacement Considerations

Consult official Diodes Incorporated substitution guides for verified alternatives. Cross-reference pinouts and electrical parameters carefully when considering competitors. No public substitute part numbers are confirmed in the provided source material.