ADP1650
ADP1650
PRODUCTION1.5 A LED Flash Driver with I2C-Compatible Interface
- Part Models
- 2
- 1ku List Price
- Starting From $1.42
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Overview
- Ultracompact solution
Small, 2 mm × 1.5 mm, 12-ball WLCSP package
Smallest footprint, 1 mm height, 1 μH power inductor
LED current source for local LED grounding
Simplified routing to/from LED Improved LED thermals
Synchronous 3 MHz PWM boost converter, no external diode - High Efficiency: 90% Peak
Reduces high levels of input battery current during flash
Limits battery current drain in torch mode
- 2C programmable
Currents up to 1500 mA in flash mode for 1 LED with ±7% accuracy over all conditions
Currents up to 200 mA in torch mode
Programmable dc battery current limit (4 settings)
Programmable flash timer up to 1600 ms
Low VBAT mode to reduce LED current automatically
4-bit ADC for LED VF, die/LED temperature readback - See datasheet for additional features
The ADP1650 is a very compact, highly efficient, single 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 MHz synchronous inductive boost converter, an I2C-compatible interface, and a 1500 mA current source. The high switching frequency enables the use of a tiny, 1 mm high, low cost, 1 μH power inductor, and the current source permits 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 to 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.
Two independent TxMASK inputs permit the flash LED current 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.
The ADP1650 comes in a compact 12-ball, 0.5 mm pitch WLCSP 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
Documentation
Data Sheet 1
User Guide 2
Device Drivers 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 |
|---|---|---|---|
| ADP1650ACBZ-R7 | 12-Ball WLCSP (1.54mm x 2.04mm) | ||
| ADP1650ACPZ-R7 | 10-Lead LFCSP (3mm x 3mm) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
May 23, 2012 - 10_0047 TSMC Fab 10 Qualification for LD20 Process |
||
| ADP1650ACBZ-R7 | PRODUCTION | |
| ADP1650ACPZ-R7 | PRODUCTION | |
|
Feb 28, 2012 - 11_0175 Shipping Changes for WLCSP Products with 8mm Carrier Tape Width |
||
| ADP1650ACBZ-R7 | PRODUCTION | |
|
Aug 6, 2014 - 13_0223 Assembly and Test Transfer of Select 2x3mm and 3x3mm LFCSP Products to STATS ChipPAC China |
||
| ADP1650ACPZ-R7 | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Device Drivers 1
Evaluation Software 0
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