KTD3133EUS-TR

Overview

The KTD3133EUS-TR is a high-efficiency, two-channel LED driver IC manufactured by Kinetic Technologies. It integrates a step-up DC-DC converter with dual constant current sinks, supporting up to eight LEDs per string. The device operates within an input voltage range of 2.7V to 5.5V and delivers an output voltage of 32V. Key electrical parameters include a maximum output current of 29.8mA and selectable operating frequencies of 500kHz or 1MHz. It features PWM dimming capabilities and open LED protection, housed in a compact 12-WLCSP package.

Feature Summary

• Integrates a high-efficiency step-up DC-DC converter with dual constant current sinks for driving multiple LEDs per channel.
• Supports wide input voltage ranges compatible with single-cell lithium-ion batteries or standard 5V power supplies.
• Includes built-in open LED protection mechanisms to ensure system reliability during fault conditions.

Applications

• Mobile phone camera flash lighting systems
• Portable electronic device illumination circuits
• High-efficiency LED backlighting solutions

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm pinout compatibility and thermal characteristics. Ensure that the selected component version matches the required packaging format and regulatory compliance standards for your target market before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring dual-channel LED control with integrated boost conversion. Consider its suitability for space-constrained applications due to the WLCSP package. Evaluate the 500kHz and 1MHz frequency options based on external inductor size requirements and electromagnetic interference constraints.

Part Context

This part belongs to Kinetic Technologies' portfolio of highly integrated LED lighting drivers designed for portable electronics. It complements other models like the KTD3136 by offering a two-channel solution optimized for efficiency and minimal external component count in mobile and handheld device architectures.

Replacement Considerations

Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical specifications carefully if considering similar multi-channel LED drivers from other manufacturers.

FAQ

What is the maximum output voltage capability of the KTD3133EUS-TR?

The device supports an output voltage of up to 32V, allowing it to drive multiple LEDs in series.

Does the KTD3133EUS-TR support dimming functionality?

Yes, the IC includes PWM dimming capabilities for precise brightness control.