MIC2289-24YD6-TR

LED Driver IC Overview

The MIC2289-24YD6-TR is a PWM boost-switching regulator optimized for constant-current white LED driver applications. It features an internal Schottky diode and overvoltage protection (OVP). The device operates with a supply voltage range of 2.5V to 10V, delivering a maximum switch current of 750mA. It functions at a fixed switching frequency of 1.2MHz and supports both analog and PWM dimming. The component is housed in a TSOT-23-6 package and is rated for operation between -40°C and +125°C.

LED Driver IC Feature Summary

• Integrates an internal Schottky diode to reduce external component count
• Provides overvoltage protection for connected LED loads
• Supports dual-mode dimming via analog control or PWM signals

LED Driver IC Applications

• White LED backlighting systems
• Portable electronic device illumination
• General lighting driver circuits

LED Driver IC Procurement Notes

Verify the specific suffix '24' corresponds to the required output voltage rating during procurement. Confirm that the TSOT-23-6 package dimensions align with the target PCB layout. Ensure compatibility with the intended dimming interface requirements before finalizing orders.

LED Driver IC Selection Notes

Select this part when a compact solution for single-channel white LED driving is required. It is suitable for designs needing integrated protection features without external diodes. Consider the 750mA current limit and 1.2MHz frequency when designing passive components.

LED Driver IC Part Context

This component belongs to the MIC2289 family of LED drivers from Microchip Technology. It shares architectural similarities with other variants in the series but differs in packaging and specific electrical ratings. The device represents a specialized solution for portable electronics requiring efficient power management.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications against potential alternatives before substitution.

LED Driver IC FAQ

What type of overvoltage protection does the MIC2289-24YD6-TR include?

The device includes built-in overvoltage protection designed to safeguard the connected LED load from excessive voltage spikes.

Can the MIC2289-24YD6-TR support PWM dimming?

Yes, the regulator supports both analog and pulse width modulation (PWM) dimming methods for brightness control.