TPS92511DDA

LED Driver IC Overview

The TPS92511DDA is a single-channel constant current buck LED driver IC manufactured by Texas Instruments. It supports an input voltage range of 4.5 V to 65 V and delivers up to 500 mA output current. The device features an adjustable switching frequency from 50 kHz to 500 kHz and operates within a temperature range of -40°C to +125°C. Packaged in an SO-PowerPad-8, it integrates the power switch and offers analog and PWM dimming capabilities.

LED Driver IC Feature Summary

• Integrates a high-side N-channel MOSFET switch for compact design
• Supports both analog and pulse-width modulation (PWM) dimming methods
• Includes thermal shutdown protection for enhanced reliability

LED Driver IC Applications

• General LED lighting applications
• Automotive interior lighting systems
• Industrial lighting fixtures

LED Driver IC Procurement Notes

Verify the specific package variant and suffix against official datasheets to ensure compatibility with PCB footprint requirements. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning. Cross-reference ordering information with manufacturer documentation to avoid discrepancies in component specifications.

LED Driver IC Selection Notes

Select this component for designs requiring a wide input voltage range up to 65 V and moderate current levels around 500 mA. The integrated switch reduces external component count compared to discrete solutions. Ensure the application environment stays within the specified operating temperature limits and utilizes appropriate heat dissipation strategies for the PowerPad package.

LED Driver IC Part Context

This part belongs to the TPS9251x family of buck LED drivers from Texas Instruments. These devices are designed for high-efficiency constant current regulation in LED applications. The family shares common control architectures but varies in current ratings, voltage limits, and packaging options to suit different power and size constraints.

LED Driver IC Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family or equivalent performance tiers. Verify pin-to-pin compatibility and electrical parameter alignment before replacing.