AS3693A-ZQFT

$1.50

Description：IC LED DRVR LIN I2C 70MA 48QFN
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:766ddfe25e87 Category: LED Drivers IC Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR LIN I2C 70MA 48QFN
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)
Type：Linear
Topology：-
Internal Switch(s)：Yes
Number of Outputs：16
Voltage - Supply (Min)：-
Voltage - Supply (Max)：-
Voltage - Output：0.4V ~ 50V
Current - Output / Channel：70mA
Frequency：-
Dimming：I2C, SPI
Applications：Backlight
Operating Temperature：-20°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：48-VFQFN Exposed Pad
Supplier Device Package：48-QFN (7x7)
Grade：-
Qualification：-

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AS3693A-ZQFT

Overview

The AS3693A-ZQFT is a 16-channel high-precision LED driver IC designed for LCD TV backlight panels. It features built-in PWM generators with programmable delay, period, and duty cycle to support local dimming and scan dimming. The device provides an output current of 70 mA per channel and supports an output voltage up to 50 V. It includes three configurable dynamic power feedback circuits for white or RGB backlights. Safety features include thermal shutdown and open/short LED detection. Parameters are programmable via I2C or SPI interfaces.

Feature Summary

Supports local dimming and scan dimming through 16 independent PWM generators
Includes three free configurable dynamic power feedback circuits
Built-in safety features such as thermal shutdown and LED fault detection

Applications

LCD TV backlight panels
White LED backlight systems
RGB backlight systems

Procurement Notes

This component is officially listed as End of Life (EOL) by the manufacturer. Availability is restricted, and Mouser reports that the product is not currently sold in many regions. Verify end-of-life status and substitute options before design finalization.

Selection Notes

Select this part for applications requiring precise multi-channel LED control with integrated dimming capabilities. Ensure compatibility with I2C or SPI host controllers. Consider the QFN48 package size and operating temperature range of -20 C to +85 C during PCB layout.

Part Context

The AS3693A belongs to the AS3693 series of LED drivers from ams OSRAM. It is specifically engineered for high-performance backlighting in large display applications like LCD televisions, offering synchronized operation with TV picture signals via external clock inputs.