TPS92641PWPT/NOPB

LED Driver IC Overview

The TPS92641PWPT/NOPB is a high-voltage synchronous NFET controller designed for buck current regulators in LED lighting applications. It operates within a wide input voltage range of 7 V to 85 V and supports a switching frequency up to 1 MHz. The device features one output channel in a 16-HTSSOP package, with an operating temperature range from -40°C to +125°C TJ. It integrates a 3 V ±2% precision reference and supports both analog and PWM dimming.

LED Driver IC Feature Summary

• Supports simultaneous analog and PWM input signals for precise brightness control
• Utilizes valley current mode operation with controlled on-time architecture for simplified loop compensation
• Includes optimized dead time between high-side and low-side gate drivers for enhanced efficiency

LED Driver IC Applications

• Visible light communications LED drivers
• Automotive lighting systems
• General illumination luminaires

LED Driver IC Procurement Notes

Verify the specific suffix PWPT against official Texas Instruments documentation to confirm the tape-and-reel packaging configuration. Ensure compatibility with the required thermal management solutions for the HTSSOP-16 package under maximum load conditions. Cross-reference the RoHS compliance status with the latest manufacturing data sheets prior to final procurement decisions.

LED Driver IC Selection Notes

Select this component when designing non-isolated buck converters requiring high input voltage tolerance up to 85 V. It is suitable for applications demanding high-resolution dimming capabilities through shunt FET PWM control. Consider the integrated gate driver strength and protection features when evaluating system reliability and thermal performance constraints.

LED Driver IC Part Context

This part belongs to the TPS9264x family of high-voltage LED driver controllers from Texas Instruments. It shares architectural similarities with the TPS92640 but adds specific functionality for advanced dimming control. The series is engineered for robust performance in automotive and general lighting environments requiring precise current regulation.

LED Driver IC Replacement Considerations

The TPS92640 serves as a functional alternative within the same family, though it lacks the dedicated shunt FET PWM dimming input found in the TPS92641. Verify pinout compatibility and control logic differences before substitution.