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參數(shù)資料
| 型號： | ADP1650ACBZ-R7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | LED DISPLAY DRIVER, PBGA12 |
| 封裝： | 2 X 1.50 MM, ROHS COMPLIANT, WLCSP-12 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大小： | 1423K |
| 代理商： | ADP1650ACBZ-R7 |
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1.5 A LED Flash Driver with
I2C-Compatible Interface
ADP1650
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2010–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Ultracompact solution
Small, 2 mm × 1.5 mm, 12-ball WLCSP package
Thin, 3 mm × 3 mm × 0.75 mm, 10-lead LFCSP 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
I2C 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
Control
I2C-compatible control registers
External STROBE and torch input pins
2 transmitter mask (TxMASK) inputs
Safety
Thermal overload protection
Inductor fault detection
LED short-/open-circuit protection
APPLICATIONS
Camera-enabled cellular phones and smart phones
Digital still cameras, camcorders, and PDAs
FUNCTIONAL BLOCK DIAGRAM
08
83
7-
0
01
ADP1650
10F
1.0H
INPUT VOLTAGE = 2.7V TO 5.0V
VOUT
PGND
SW
STROBE
10F
LED_OUT
EN
SGND
SCL
SDA
TX1/TORCH
TX2/ILED/ADC
GPIO1
GPIO2
MAX 1.5A
VIN
Figure 1.
0
88
37
-0
02
DIGITAL
INPUT/
OUTPUT
Li-ION +
PGND
C1
L1
INDUCTOR
LED
ANODE
C2
AREA = 16.4mm2
Figure 2. PCB Layout (WLCSP)
GENERAL DESCRIPTION
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 pro-
grammability of timers, currents, and status bit readback for
operation monitoring and safety control.
The ADP1650 is available in a compact 12-ball, 0.5 mm pitch
WLCSP package and a 10-lead LFCSP package, and operates
within specification over the full 40°C to +125°C junction
temperature range.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADP1650ACPZ-R7 | 功能描述:IC LED DVR PHOTO FLASH 10LSCP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| ADP1650CB-EVALZ | 功能描述:EVAL BOARD FOR ADP1650 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® 電流 - 輸出 / 通道:20mA 輸出及類型:1，非隔離 輸出電壓:17V 特點(diǎn):可調(diào)光 輸入電壓:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相關(guān)產(chǎn)品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD |
| ADP1653 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface |
| ADP1653ACPZ-R21 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Compact, High Efficiency, High Power Flash/Torch LED Driver with Dual Interface |
| ADP1653ACPZ-R7 | 功能描述:IC LED DRVR PHOTO FLASH 16-LFCSP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:60 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?線性（LDO），PWM，升壓（升壓） 輸出數(shù):8 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:RGB，白色 LED 頻率:500kHz ~ 1.5MHz 電源電壓:4.75 V ~ 26 V 輸出電壓:45V 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* 工作溫度:-40°C ~ 85°C |
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