RT8471GFP

Description：IC LED DRVR RGLTR PWM 1.2A 8MSOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3c8e0f139c90 Category: LED Drivers IC Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR RGLTR PWM 1.2A 8MSOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Down (Buck)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：7V
Voltage - Supply (Max)：36V
Voltage - Output：-
Current - Output / Channel：1.2A
Frequency：-
Dimming：Analog, PWM
Applications：Lighting, Signage
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package：8-MSOP
Grade：Automotive
Qualification：-

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RT8471GFP

Overview

The RT8471GFP is a single-output DC-DC buck LED driver IC manufactured by Richtek USA Inc. It features an integrated internal switch capable of delivering up to 1.2A output current. The device supports both analog and PWM dimming methods for precise light control. It operates within a supply voltage range of 7V to 36V and provides an output voltage capability up to 50V. The component is housed in an 8-MSOP package with a width of 3.00mm. It is rated for an operating junction temperature range of -40°C to 125°C and holds automotive grade certification.

Feature Summary

Integrates a high-current internal power switch for efficient step-down conversion
Supports dual dimming modes including analog and pulse-width modulation
Designed with automotive-grade reliability specifications for harsh environments

Applications

Automotive lighting systems
General illumination applications
Signage backlighting

Procurement Notes

Verify the specific suffix 'GFP' against the manufacturer's official documentation to ensure correct pinout and thermal pad configuration. Confirm end-of-life status and final shipment dates prior to ordering, as this component may be subject to discontinuation notices. Ensure compatibility with existing PCB footprints and reflow profiles specified in the datasheet.

Selection Notes

Select this component when a compact solution is required for driving LEDs from a wide input voltage range. The integrated switch simplifies design by reducing external component count. Consider the 8-MSOP package size constraints and thermal dissipation requirements associated with the 1.2A current rating during the layout phase.

Part Context

This part belongs to the RT8471 family of LED drivers from Richtek Technology. The company specializes in power management solutions for consumer electronics, telecommunications, and automotive sectors. This specific model addresses the need for regulated constant current sources in space-constrained portable and automotive devices.