TPS92515DGQR

LED Driver IC Overview

The TPS92515DGQR is a single-channel LED lighting driver IC from Texas Instruments, utilizing a buck topology. It provides a constant output current of 2 A with an adjustable switching frequency ranging up to 2 MHz. The device supports an input voltage range of 5.5 V to 42 V and features integrated N-FET switches. It operates within a junction temperature range of -40°C to +150°C and includes thermal shutdown protection. The component is housed in a 10-HVSSOP package and is qualified under the AEC-Q100 standard for automotive applications.

LED Driver IC Feature Summary

• Integrates high-side and low-side N-FETs for efficient buck conversion
• Supports analog and PWM dimming methods for brightness control
• Includes thermal shutdown protection to prevent overheating
• AEC-Q100 qualified for automotive reliability standards

LED Driver IC Applications

• Automotive interior and exterior lighting systems
• General industrial illumination fixtures
• Commercial lighting applications requiring regulated current
• LED street lighting infrastructure

LED Driver IC Procurement Notes

Verify the specific ordering suffix matches the required tape-and-reel packaging configuration. Confirm that the selected variant aligns with the intended automotive or industrial qualification requirements. Ensure the input voltage supply remains within the specified 5.5 V to 42 V operational limits during procurement planning. Cross-reference the package marking code to distinguish between different manufacturing dates or assembly sites.

LED Driver IC Selection Notes

Select this component when a 2 A constant current drive is required for high-voltage LED arrays. The integrated power switch reduces external component count compared to controller-based solutions. Consider the 2 MHz switching frequency for minimizing passive component size. Verify compatibility with the desired dimming interface, as both analog and PWM modes are supported by the internal architecture.

LED Driver IC Part Context

This part belongs to the TPS9251x family of LED drivers designed for robust performance in demanding environments. It serves as a high-current alternative to lower-amperage variants within the same series. The device integrates protection features typical of modern automotive-grade power management ICs, ensuring reliable operation across wide temperature ranges.

LED Driver IC Replacement Considerations

Direct substitutes include other members of the TPS9251x family such as the TPS92513 or TPS92510, provided the current rating and input voltage specifications meet the design requirements. Verify pinout compatibility and thermal characteristics before swapping components.