Datasheet > ADP8866ACPZ-R7

ADP8866ACPZ-R7

更新时间： 2024-01-03 16:27:47

品牌	Logo	应用领域
亚德诺 - ADI		PC 驱动接口集成电路
页数	文件大小	规格书
53页	1174K
描述
Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects

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ADP8866ACPZ-R7 技术参数

Source Url Status Check Date：	2013-05-01 14:56:47.183	是否无铅：	含铅
是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	QFN	包装说明：	LFCSP-20
针数：	20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	1.68	Samacsys Confidence：
Samacsys Status：	Released	Schematic Symbol：	https://componentsearchengine.com/symbol.php?partID=287514
PCB Footprint：	https://componentsearchengine.com/footprint.php?partID=287514	Samacsys PartID：	287514
Samacsys Image：	https://componentsearchengine.com/Images/9/ADP8866ACPZ-R7.jpg	Samacsys Thumbnail Image：	https://componentsearchengine.com/Thumbnails/1/ADP8866ACPZ-R7.jpg
Samacsys Pin Count：	21	Samacsys Part Category：	Integrated Circuit
Samacsys Package Category：	Other	Samacsys Footprint Name：	QFN50P400X400X80-21N
Samacsys Released Date：	2017-01-10 13:33:33	Is Samacsys：	N
数据输入模式：	SERIAL	接口集成电路类型：	LED DISPLAY DRIVER
JESD-30 代码：	S-XQCC-N20	JESD-609代码：	e3
长度：	4 mm	湿度敏感等级：	3
复用显示功能：	NO	功能数量：	1
区段数：	9	端子数量：	20
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC20,.16SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER	峰值回流温度（摄氏度）：	260
电源：	3.6 V	认证状态：	Not Qualified
座面最大高度：	0.8 mm	子类别：	Display Drivers
最大供电电压：	5.5 V	最小供电电压：	2.5 V
标称供电电压：	3.6 V	表面贴装：	YES
技术：	DMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	30	宽度：	4 mm
最小 fmax：	0.4 MHz	Base Number Matches：	1

ADP8866ACPZ-R7 数据手册

Charge Pump Driven 9-Channel LED Driver with

Automated LED Lighting Effects

Data Sheet

ADP8866

FEATURES

APPLICATIONS

Charge pump with automatic gain selection of 1×, 1.5×, and

2× for maximum efficiency

92% peak efficiency

9 independent and programmable LED drivers

Each driver is capable of 25 mA (full scale)

Each driver has 7 bits (128 levels) of nonlinear current

settings

Mobile display backlighting

Mobile phone keypad backlighting

LED indication and status lights

Automated LED blinking

TYPICAL OPERATING CIRCUIT

Standby mode for <1 µA current consumption

16 programmable fade-in and fade-out times (0.0 sec to

1.75 sec) with choice of square or cubic rates

Automated and customizable LED blinking

Unique heartbeat mode for programmable double pulse

lighting effects on 4 channels (D6 to D9)

PWM input for implementing content adjustable brightness

control (cABC)

I²C compatible interface for all programming

Dedicated reset pin and built-in power on reset (POR)

Short circuit, overvoltage, and overtemperature protection

Internal soft start to limit inrush currents

Input to output isolation during faults or shutdown

Operates down to V_IN= 2.5 V, with undervoltage lockout

(UVLO) at 1.9 V

D5 D6

D8 D9

VIN

1µF

VOUT

1µF

nRST

SDA

ADP8866

C1+

C1–

C2+

C2–

1µF

SCL

1µF

nINT

GND

Figure 1.

Small lead frame chip scale package (LFCSP)

GENERAL DESCRIPTION

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

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 fade-out times can be set for the backlight LEDs.

_OUTof 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 allows 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.

Rev. B

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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