RT8567GQW

Description：IC LED DRV RGLTR PWM 40MA 20WQFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3cd24bb62275 Category: LED Drivers IC Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRV RGLTR PWM 40MA 20WQFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：6
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：24V
Voltage - Output：43V
Current - Output / Channel：40mA
Frequency：500kHz ~ 2MHz
Dimming：PWM
Applications：Backlight
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-WFQFN Exposed Pad
Supplier Device Package：20-WQFN (3x3)
Grade：-
Qualification：-

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RT8567GQW

Overview

The RT8567GQW is a high-efficiency white LED driver designed for LCD panels using LED arrays. It features an integrated current-mode boost controller that drives six parallel strings, supporting up to 12 WLEDs per string. The device operates with an input voltage range of 3 V to 8.5 V and provides an output voltage of 19.6 V. Internal current sinks ensure excellent brightness uniformity by limiting current mismatching to ±2%. The component is housed in a 20-pin WQFN EP package.

Feature Summary

Integrated current-mode boost controller for driving multiple LED strings in parallel
Internal current sinks support maximum ±2% current mismatching for uniform brightness
Designed specifically for LCD panels employing LED arrays as lighting sources

Applications

LCD panel backlighting systems
White LED array drivers
High-efficiency lighting applications

Procurement Notes

Verify the specific suffix GQW against official Richtek documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with system input voltage ranges between 3 V and 8.5 V. Confirm thermal requirements for the 20-pin WQFN EP package in the target application environment.

Selection Notes

Select this component for designs requiring parallel drive of six LED strings with high brightness uniformity. The integrated boost controller simplifies design complexity compared to discrete solutions. Consider the 19.6 V output limit when sizing the LED series configuration. Verify that the input supply remains within the specified 3 V to 8.5 V range for proper operation.

Part Context

The RT8567 belongs to Richtek's family of high-efficiency white LED drivers. It is engineered for applications demanding precise current matching across multiple channels. The device integrates control logic and power stages to reduce external component count. It targets modern display technologies requiring uniform illumination from LED arrays.