AS3821-ZLQT

$1.55

Description：IC LED DRIVER LINEAR SPI 44LQFP
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:34788051ee81 Category: LED Drivers IC Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER LINEAR SPI 44LQFP
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：44-LQFP
Supplier Device Package：44-LQFP (10x10)
Grade：-
Qualification：-

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AS3821-ZLQT

Overview

The AS3821-ZLQT is a highly integrated, self-contained LED driver IC designed for near-to-eye applications such as AR and VR glasses. It features high-efficiency DCDC step-up converters with two current sources. The device supports SPI dimming control and provides 12 output channels. It is housed in a 44-pin LQFP package measuring 10x10 mm.

Feature Summary

Highly integrated self-contained driver architecture
Optimized for near-to-eye display applications
Supports SPI-based digital dimming control

Applications

AR glasses
VR headsets
Near-to-eye display systems

Procurement Notes

Verify the specific ordering suffix to ensure correct packaging configuration. Confirm that the component meets all relevant safety and performance standards required for your specific application before finalizing procurement.

Selection Notes

Select this component when designing compact near-to-eye optical systems requiring efficient power management. Ensure the design accommodates the 44-pin LQFP footprint and utilizes SPI communication for channel control.

Part Context

This part belongs to the ams-OSRAM portfolio of LED lighting driver ICs. It is engineered to address the power efficiency and integration challenges inherent in modern augmented and virtual reality hardware designs.