TPS92023DR

Overview

The TPS92023DR is a resonant-switching driver controller designed for multi-string LED lighting applications. It operates within an input voltage range of 11.5 V to 18 V and supports adjustable switch frequencies from 30 kHz to 350 kHz. The device features analog dimming capabilities and includes protection mechanisms such as thermal shutdown. It is housed in an SOIC-8 package with a maximum supply current of 7.5 mA and functions reliably across a temperature range of -40°C to +125°C.

Feature Summary

• Resonant switching architecture for high-efficiency LED driving
• Analog dimming control interface
• Integrated thermal shutdown protection
• Adjustable switching frequency operation

Applications

• Multi-string LED lighting systems
• High-efficiency LED driver designs
• General illumination applications requiring resonant control

Procurement Notes

Verify the specific suffix 'DR' indicates the tape-and-reel packaging variant when ordering. Confirm that the SOIC-8 package dimensions match your PCB footprint requirements. Ensure the input voltage range aligns with your system's power supply specifications before finalizing procurement.

Selection Notes

Select this component for applications requiring resonant switching topology to minimize switching losses. Consider the analog dimming requirement versus digital alternatives. Verify compatibility with the target LED string configuration and ensure the operating temperature range meets environmental constraints.

Part Context

The TPS92023 series belongs to Texas Instruments' portfolio of LED lighting driver controllers. This specific model focuses on resonant switching technology, distinguishing it from standard PWM or buck/boost drivers. It is part of a family designed to optimize efficiency in multi-string LED configurations.

Replacement Considerations

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