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A6285EETTR-T PDF预览

A6285EETTR-T

更新时间: 2024-02-01 02:41:21
品牌 Logo 应用领域
急速微 - ALLEGRO 显示驱动器驱动程序和接口接口集成电路信息通信管理
页数 文件大小 规格书
13页 545K
描述
16-Channel Constant-Current Latched LED Driver with Open LED Detection and Dot Correction

A6285EETTR-T 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:QFN包装说明:5 X 5 MM, 0.90 MM HEIGTH, LEAD FREE, MO-220VHHD-6, QFN-32
针数:32Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81Is 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-N32JESD-609代码:e3
长度:5 mm湿度敏感等级:2
复用显示功能:NO功能数量:1
区段数:16端子数量:32
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:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Display Drivers
最大供电电压:5.5 V最小供电电压:3 V
标称供电电压:5 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN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:40宽度:5 mm
最小 fmax:30 MHzBase Number Matches:1

A6285EETTR-T 数据手册

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A6285  
16-Channel Constant-Current Latched LEDDriver  
with Open LED Detection and Dot Correction  
Features and Benefits  
Description  
3.0 to 5.5 V logic supply range  
The A6285 is designed for LED display applications. This  
BiCMOS device includes an On/Off shift register, a Dot  
Correction(DC)shiftregister, accompanyingdatalatches, and  
16 MOS constant-current sink drivers with active pull-ups that  
can be enabled or disabled as required by the application.  
Schmitt trigger inputs for improved noise immunity  
Power-On Reset (POR)  
Up to 80 mA constant-current sinking outputs  
LED open circuit detection (LOD)  
Dot correction (DC) for adjusting LED light intensity on  
each channel with 7-bit resolution  
Low-power CMOS logic and latches  
The CMOS shift registers and latches allow direct interfacing  
with microprocessor-based systems. With a 3.3 or 5 V logic  
supply, typical serial data input rates can reach up to 30 MHz.  
The LED drive current level can be set by a single external  
resistor, selected by the application designer. A CMOS serial  
dataoutputpermitscascadingofmultipledevicesinapplications  
requiring additional drive lines.  
High data input rate up to 30 MHz  
Active output pull-ups with enable/disable  
20 ns typical staggering delay between outputs  
Internal UVLO and thermal shutdown (TSD) circuitry  
Fault output flags for an LED open circuit (LOD) or a  
thermal shutdown (TSD) condition  
IndividualLEDlightintensitycanbeadjustedtocorrectforlight  
intensity variations by using the Dot Correction feature.  
Package: 32 Contact QFN (suffix ET)  
OpenLEDconnectionscanbedetected,andthensignaledback  
to the host microprocessor through the serial data output (SDO  
pin). The FAULT output flags an LED open circuit (LOD)  
conditionorathermalshutdown(TSD)condition.Astaggering  
delay on the load outputs during ON/OFF transitions helps to  
reduce ground bounce.  
5 mm × 5 mm  
0.90 mm nominal overall height  
Continued on the next page…  
Not to scale  
Typical Application  
VDD  
VLED  
VLED  
10 μF  
100 KΩ  
PE OUT0  
OUT15  
SDI  
SDI  
SDO  
FAULT  
FAULT  
VDD  
CLK  
LE  
CLK  
LE  
100 nF  
Controller  
A6285  
MODE  
OE  
MODE  
OE  
REXT  
SDO  
6285-DS  

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