ADP1660

Dual 750 mA LED Flash Driver with I2C-Compatible Interface
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Product Details

ADP1660 is a very compact, highly efficient, dual white LED flash driver for high-resolution camera phones that improves picture and video quality in low light environments. The device integrates a programmable 1.5 MHz or 3.0 MHz synchronous inductive boost converter, an I2C-compatible interface, and two 750 mA current sources. The high switching frequency enables the use of a tiny, 1 mm high, low cost, 1 μH power inductor, and the parallel current sources permit LED cathode grounding for thermally enhanced, low EMI, and compact layouts.

The LED driver maximizes efficiency over the entire battery voltage range to maximize the input-power-to-LED-power conversion and minimize battery current draw during flash events. A programmable DC battery current limit safely maximizes LED current for all LED VF and battery voltage conditions.

A TxMASK input permits the flash LED currents and battery current to reduce quickly during a power amplifier current burst. The I2C-compatible interface enables the programmability of timers, currents, and status bit readback for operation monitoring and safety control.

ADP1660 comes in a compact 12-ball, 0.5 mm pitch package and operates within specification over the full −40°C to +125°C junction temperature range.

APPLICATIONS
  • Camera-enabled cellular phones and smart phones
  • Digital still cameras, camcorders, and PDAs

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.

ADP1660 Material Declaration
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Most Helpful Review

by Anonymous
To charge Li-ion batterie type 18650 of 2 or 3 amps than is the chip to small to test and handle, to order a board for this is to expensive tohave it mad specially. Do you have a bit bigger chip who we can handle and solder. This is really a pity.

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by Anonymous, 14 Mar 13
this product is to small to test or to solder
To charge Li-ion batterie type 18650 of 2 or 3 amps than is the chip to small to test and handle, to order a board for this is to expensive tohave it mad specially. Do you have a bit bigger chip who we can handle and solder. This is really a pity.
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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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