RT8450BGQW

Overview

The RT8450BGQW is a single-output LED driver from Richtek USA Inc., housed in a 12-WDFN package with an exposed pad. It delivers a regulated current of up to 1.5A and operates at a switching frequency of 500kHz. The device supports PWM dimming for backlight and lighting applications, ensuring efficient power management within a compact surface-mount footprint.

Feature Summary

• Provides regulated constant current output for LED driving
• Supports Pulse Width Modulation (PWM) dimming control
• Operates at a fixed 500kHz switching frequency

Applications

• LED backlight systems
• General LED lighting applications

Procurement Notes

Verify the specific suffix BGQW against official Richtek documentation to confirm the 12-WDFN package and tape-and-reel packaging configuration. Ensure compatibility with system voltage requirements and thermal dissipation needs associated with the 1.5A output capability before procurement.

Selection Notes

Select this component for designs requiring a compact solution for LED backlights. The 12-WDFN package suits space-constrained PCB layouts. Confirm that the 500kHz frequency aligns with electromagnetic interference constraints and that the 1.5A current rating meets the target LED string specifications.

Part Context

This part belongs to the RT8450 series of LED drivers manufactured by Richtek USA Inc. The series focuses on power management solutions for portable devices, offering integrated regulation and dimming capabilities to address low power consumption and small form factor requirements in modern electronics.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Generic cross-references may not match the specific 12-WDFN pinout or electrical characteristics required for direct replacement.