AS3821-ZQFT

$1.38

Description：IC LED DRIVER LINEAR SPI 48QFN
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:8bfe5df844e0 Category: LED Drivers IC Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER LINEAR SPI 48QFN
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)
Type：Linear
Topology：-
Internal Switch(s)：No
Number of Outputs：12
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：5.5V
Voltage - Output：-
Current - Output / Channel：-
Frequency：-
Dimming：SPI
Applications：Backlight
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：48-QFN
Supplier Device Package：48-QFN
Grade：-
Qualification：-

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AS3821-ZQFT

Overview

The AS3821-ZQFT is an LED driver IC manufactured by ams-OSRAM USA INC. It features 12 outputs and supports linear dimming via an SPI interface. The device is housed in a 48-QFN package.

Feature Summary

Integrates twelve output channels for LED control
Supports linear dimming functionality
Utilizes SPI interface for digital communication

Applications

LED lighting systems requiring multi-channel control
Digital display backlighting applications
Automotive interior lighting modules

Procurement Notes

Verify the specific manufacturer designation as ams-OSRAM USA INC. against official component documentation. Confirm the 48-QFN package type and SPI interface compatibility with your system design before procurement. Ensure the part number matches the exact suffix required for your application needs.

Selection Notes

Select this component when a high channel count is required for uniform LED distribution. The SPI interface allows for precise digital control over brightness levels. Consider the thermal performance of the QFN package in relation to your enclosure design and heat dissipation capabilities.

Part Context

This component belongs to the family of intelligent LED drivers designed for complex lighting architectures. It integrates control logic with power stages to simplify PCB layout. The product line targets applications demanding high reliability and precise color or intensity management across multiple zones.