ADP1655
ADP1655
NOT RECOMMENDED FOR NEW DESIGNSDual LED Flash Driver with I2C Compatible Interface
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- 1
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Overview
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The ADP1655 is a very compact, highly efficient, dual white LED flash driver for high resolution camera phones, which improves picture and video quality in low light environments. The device integrates a 2 MHz synchronous inductive boost convertor, an I2C-compatible interface and a 500 mA current source. The high switching frequency enables the use of a tiny, low profile 2.2 μH power inductor, and the current source permits LED cathode grounding for thermally enhanced, low EMI and compact layouts.
The efficiency is high over the entire battery voltage range to maximize the input power to LED power conversion and minimize battery current draw during flash events. In addition, a Tx-mask input permits the flash LED current to reduce quickly and, therefore, the battery current reduces quickly, during a GSM power amplifier current burst.
The I2C-compatible interface enables the programmability of timers, currents, and status bit readback for operation monitoring and safety control.
The ADP1655 comes in a compact 12-ball 0.5 mm pitch WLCSP package and is specified over the full −40°C to +125°C junction temperature range.
Applications
Documentation
Data Sheet 1
Evaluation Design File 1
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. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ADP1655ACBZ-R7 | 12-Ball WLCSP (1.54mm x 2.04mm) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
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Feb 28, 2012 - 11_0175 Shipping Changes for WLCSP Products with 8mm Carrier Tape Width |
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| ADP1655ACBZ-R7 | ||
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Aug 21, 2024 - 24_0077 Discontinuance of Select 200mm (8 inch) Products Bumped at Amkor Technology Korea (ATK5) |
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| ADP1655ACBZ-R7 | ||
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| ADP1660 | PRODUCTION | Dual 750 mA LED Flash Driver with I2C-Compatible Interface |
Evaluation Kits
ADP1655 Evaluation Board
Resources
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