RT8549LGQW

$2.87

Description：IC LED DRIVER RGLTR 180MA 16WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3699fa6a2047 Category: LED Drivers IC Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER RGLTR 180MA 16WDFN
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：4
Voltage - Supply (Min)：4.2V
Voltage - Supply (Max)：24V
Voltage - Output：60V
Current - Output / Channel：180mA
Frequency：200kHz ~ 900kHz
Dimming：-
Applications：Backlight
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：16-WFDFN Exposed Pad
Supplier Device Package：16-WDFN (5x5)
Grade：-
Qualification：-

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RT8549LGQW

Overview

The RT8549LGQW is an LED lighting driver IC featuring a boost converter topology with SMBus-controlled four-channel output. It operates within an input voltage range of 4.2 V to 24 V and delivers up to 180 mA per channel. The device supports a maximum output voltage of 60 V and functions at a switching frequency of 400 kHz. Integrated protections include input undervoltage lockout, output overvoltage protection, and overcurrent protection. It utilizes PWM dimming and is housed in a WDFN-16 package.

Feature Summary

SMBus interface for digital control of the four-channel LED driver
Integrated boost converter topology for high-voltage LED applications
Comprehensive protection mechanisms including OVP, OCP, and soft-start

Applications

LED lighting systems requiring SMBus communication
Automotive interior or exterior illumination modules
Industrial backlighting solutions

Procurement Notes

Verify the specific suffix 'LGQW' against the manufacturer's official datasheet to confirm pinout and thermal characteristics. Ensure the design accommodates the specified 400 kHz switching frequency and 60 V output limit. Confirm that the WDFN-16 package footprint matches the PCB layout requirements before finalizing procurement.

Selection Notes

Select this component when a boost topology is required to drive LEDs from a low-voltage source up to 60 V. The integrated SMBus interface is suitable for systems needing precise digital control over multiple channels. Consider the 180 mA current capability and WDFN-16 package size relative to thermal management constraints in the target application.

Part Context

This part belongs to Richtek's LED lighting driver series, designed for applications requiring multi-channel control. It integrates power switches and control logic into a single compact package. The device is categorized under DC-DC controllers specifically optimized for LED driving tasks.

Replacement Considerations

Consult the official cross-reference list for verified substitutes. Generic equivalents may not support the specific SMBus protocol or 60 V output rating.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.