ZXLD1370QESTTC

Overview

The ZXLD1370QESTTC is a single-output LED lighting driver IC from Diodes Incorporated, designed for non-isolated buck and boost topologies. It operates with an input voltage range of 6.3 V to 60 V and supports a maximum output current of 1.5 A. The device features an adjustable switching frequency up to 1 MHz and includes PWM dimming capabilities. Qualified under AEC-Q100 standards, it functions within a temperature range of -40 °C to +125 °C. Packaged in a TSSOP-16 EP format, it offers low quiescent current characteristics suitable for automotive and industrial LED applications.

Feature Summary

• Supports both buck and boost converter topologies for flexible LED drive configurations
• Integrated PWM dimming interface for precise brightness control
• Automotive-grade qualification ensuring reliability in harsh environments
• High switching frequency operation enabling compact external component sizing

Applications

• Automotive exterior and interior LED lighting systems
• Industrial high-bay and street LED illumination drivers
• General-purpose non-isolated DC-DC LED power supplies

Procurement Notes

Verify the specific suffix 'QESTTC' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure the procurement channel provides valid traceability documentation required for AEC-Q100 qualified components. Cross-reference the manufacturing date code to ensure compliance with current RoHS3 directives. Confirm that the supplier handles ESD-sensitive devices appropriately during transit and storage.

Selection Notes

Select this component when designing non-isolated LED drivers requiring wide input voltage compatibility and automotive reliability. It is suitable for applications demanding high efficiency through variable frequency operation. Consider the thermal performance of the TSSOP-16 EP package for heat dissipation requirements. Evaluate the need for external sense resistors and inductors based on the target output current and voltage levels defined by the application circuit design.

Part Context

This part belongs to the ZXLD137x series of LED drivers from Diodes Incorporated. The 'Q' suffix typically denotes automotive qualification, while 'ESTTC' specifies the TSSOP-16 EP package and reel packaging configuration. It serves as a specialized solution for driving LEDs in environments where space constraints and regulatory compliance are critical factors in system design.

Replacement Considerations

Direct substitutes include ZXLD1370EST16TC for standard commercial grade or ZXLD1371QESTTC for variants with different internal reference characteristics. Verify pin-to-pin compatibility and electrical parameter alignment before substitution.