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ADP8863ACPZ-R7 Datasheet(数据表) 2 Page - Analog Devices

部件型号  ADP8863ACPZ-R7
说明  Charge Pump,7-Channel Fun Lighting LED Driver
下载  48 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
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 2 page
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ADP8863
Rev. 0 | Page 2 of 48
TABLE OF CONTENTS
Features .............................................................................................. 1
 
Applications....................................................................................... 1
 
Typical Operating Circuit................................................................ 1
 
General Description ......................................................................... 1
 
Revision History ............................................................................... 2
 
Specifications..................................................................................... 3
 
I2C Timing Diagram .................................................................... 4
 
Absolute Maximum Ratings............................................................ 5
 
Maximum Temperature Ranges ................................................. 5
 
Thermal Resistance ...................................................................... 5
 
ESD Caution.................................................................................. 5
 
Pin Configuration and Function Descriptions............................. 6
 
Typical Performance Characteristics ............................................. 7
 
Theory of Operation ...................................................................... 11
 
Power Stage.................................................................................. 12
 
Operating Modes........................................................................ 13
 
LED Groupings ........................................................................... 14
 
LED Current Settings................................................................. 14
 
Automated Fade In and Fade Out ............................................ 14
 
Independent Sink Control......................................................... 15
 
RGB Color Generation .............................................................. 15
 
Automated RGB Color Fades ................................................... 15
 
Backlight Operating Levels ....................................................... 16
 
Backlight Turn On/Turn Off/Dim ........................................... 16
 
Automatic Dim and Turn Off Timers ..................................... 16
 
Fade Override ............................................................................. 17
 
Ambient Light Sensing .............................................................. 17
 
Automatic Backlight Adjustment............................................. 18
 
Using the ADP8863 to Drive Additional LEDs...................... 19
 
Operating LEDs from Alternative Supplies ............................ 20
 
Short-Circuit Protection Mode ................................................ 21
 
Overvoltage Protection.............................................................. 21
 
Thermal Shutdown/Overtemperature Protection ................. 21
 
Interrupts..................................................................................... 21
 
Applications Information .............................................................. 23
 
Layout Guidelines....................................................................... 23
 
I2C Programming and Digital Control ........................................ 24
 
Backlight Register Descriptions ............................................... 29
 
Independent Sink Register Descriptions................................. 36
 
Comparator Register Descriptions .......................................... 44
 
Outline Dimensions ....................................................................... 48
 
Ordering Guide .......................................................................... 48
 
REVISION HISTORY
4/10—Revision 0: Initial Version




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