TPS92518QPWPTQ1

LED Driver IC Overview

The TPS92518QPWPTQ1 is an automotive-grade dual buck LED controller designed for high-reliability lighting applications. It operates within a supply voltage range of 6.5 V to 65 V and supports adjustable output voltages up to 42 V. The device delivers a maximum output current of 5 A per channel with a switching frequency adjustable from 1 kHz to 2 MHz. Packaged in a 24-pin HTSSOP, it meets AEC-Q100 standards and functions reliably across temperatures from -40°C to +125°C.

LED Driver IC Feature Summary

• Integrated dual buck topology providing independent constant current control for two LED channels.
• Supports both analog and PWM dimming methods for precise brightness adjustment.
• Includes comprehensive fault detection mechanisms such as open LED detection and thermal shutdown protection.

LED Driver IC Applications

• Automotive exterior lighting systems
• High-intensity discharge lamp replacement circuits
• Adaptive driving beam headlamps

LED Driver IC Procurement Notes

Verify the specific suffix QPWP against the official Texas Instruments datasheet to confirm package type and tape-and-reel specifications. Ensure the component meets AEC-Q100 qualification requirements for your target automotive application. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm humidity sensitivity level handling procedures during assembly.

LED Driver IC Selection Notes

Select this controller when designing dual-channel LED drivers requiring robust automotive reliability and wide input voltage tolerance. It is suitable for applications needing flexible dimming control and integrated fault management. Consider the HTSSOP-24 package constraints for thermal dissipation and PCB layout. Evaluate the 1 kHz to 2 MHz frequency range against external inductor and capacitor sizing requirements.

LED Driver IC Part Context

This component belongs to the TPS92518 family of dual buck LED controllers from Texas Instruments. It is specifically engineered for automotive environments, distinguishing itself through AEC-Q100 certification. The device complements other PMIC solutions by focusing exclusively on high-current LED regulation tasks.

LED Driver IC Replacement Considerations

The TPS92518HVQPWPTQ1 serves as a verified alternative within the same family, offering similar functionality with adjusted output voltage characteristics. Verify pin compatibility and thermal performance before substitution.

LED Driver IC FAQ

What dimming methods are supported by the TPS92518QPWPTQ1?

The device supports both analog and pulse-width modulation (PWM) dimming techniques for controlling LED brightness.

Is the TPS92518QPWPTQ1 qualified for automotive use?

Yes, the component is AEC-Q100 qualified, ensuring suitability for demanding automotive lighting applications.