RT8463GQW

Description：IC LED DRVR RGLTR PWM 2A 12WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:594c65d71af1 Category: LED Drivers IC Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR RGLTR PWM 2A 12WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：50V
Voltage - Output：50V
Current - Output / Channel：2A (Switch)
Frequency：470kHz
Dimming：Analog, PWM
Applications：Backlight, Lighting
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：12-WFDFN Exposed Pad
Supplier Device Package：12-WDFN (3x3)
Grade：-
Qualification：-

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RT8463GQW

Overview

The RT8463GQW is a high-voltage, multi-topology LED driver IC manufactured by Richtek USA Inc. It operates as a current mode PWM regulator designed for versatile LED driving applications. The device integrates a 2A power switch and supports wide input voltage ranges from 4.5V to 50V, along with output voltages up to 50V. This flexibility allows the component to function effectively in Buck, Boost, or Buck-Boost topologies. It features support for both analog and PWM dimming methods, making it suitable for various lighting control requirements.

Feature Summary

Supports multiple switching topologies including Buck, Boost, and Buck-Boost configurations
Integrates a high-current 2A internal power switch for efficient operation
Enables flexible dimming control through both analog and PWM signal inputs

Applications

LED backlighting systems
General solid-state lighting fixtures
Portable lighting devices

Procurement Notes

Verify the specific package marking and date code against the manufacturer's latest datasheet before integration. Confirm that the supply voltage limits align with the target circuit design. Ensure proper thermal management strategies are implemented due to the integrated power switch capabilities. Check for any recent product change notifications regarding pinout or electrical characteristics.

Selection Notes

Choose this component when designing circuits requiring a single controller to handle varying LED string voltages across different topologies. It is appropriate for applications needing robust current regulation with high input voltage tolerance. Consider the thermal performance of the WDFN EP package relative to the expected load current. Validate compatibility with the desired dimming interface signals.

Part Context

This part belongs to Richtek's portfolio of high-voltage power management solutions tailored for LED applications. It complements other drivers by offering topology versatility within a compact form factor. The series targets designers seeking simplified bill-of-materials by reducing the need for multiple specialized controllers for different lighting architectures.