ADP8866

Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects
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Product Details

The ADP8866 combines a programmable backlight LED charge pump driver with automatic blinking functions. Nine LED drivers can be independently programmed at currents up to 25 mA. The current level, fade time, and blinking rate can be programmed once and executed autonomously on a loop. Separate fade in and out times can be set for the backlight LEDs.

Driving all of this is a two capacitor charge pump with gains of 1×, 1.5×, and 2×. This setup is capable of driving a maximum IOUT of 240 mA from a supply of 2.5 V to 5.5 V. A full suite of safety features including short-circuit, overvoltage, and over-temperature protection allow easy implementation of a safe and robust design. Additionally, input inrush currents are limited via an integrated soft start combined with controlled input to output isolation.

Product Lifecycle

checked Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

ADP8866 Material Declaration
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Most Helpful Review

by Anonymous
I have been working with the 8866 now for quite a while and the only drawback I found so fa is the fact, that the 8866 only has one possible I2C address. In my application, where I require 4 -8 ADP8866, this leads to that I need an I2C mux to address each one of the APD8866. If the 8866 was addressable I could get rid of the extra I2C mux.

All Reviews

by Anonymous, 9 Jan 13
Very good Chip with room for improvement on I2C
I have been working with the 8866 now for quite a while and the only drawback I found so fa is the fact, that the 8866 only has one possible I2C address. In my application, where I require 4 -8 ADP8866, this leads to that I need an I2C mux to address each one of the APD8866. If the 8866 was addressable I could get rid of the extra I2C mux.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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