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TLC5947DAPRG4 PDF预览

TLC5947DAPRG4

更新时间: 2024-11-19 12:02:35
品牌 Logo 应用领域
德州仪器 - TI 振荡器显示驱动器驱动程序和接口接口集成电路光电二极管PC
页数 文件大小 规格书
29页 1088K
描述
24-Channel, 12-Bit PWM LED Driver with Internal Oscillator

TLC5947DAPRG4 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:TSSOP
包装说明:HTSSOP, TSSOP32,.3针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:16 weeks
风险等级:5.58Samacsys Confidence:4
Samacsys Status:ReleasedSamacsys PartID:673695
Samacsys Pin Count:33Samacsys Part Category:Integrated Circuit
Samacsys Package Category:Small Outline PackagesSamacsys Footprint Name:DAP (R-PDSO-G32)
Samacsys Released Date:2017-03-24 06:51:03Is Samacsys:N
数据输入模式:SERIAL输入特性:STANDARD
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-G32
JESD-609代码:e4长度:11 mm
湿度敏感等级:3复用显示功能:NO
功能数量:1区段数:24
端子数量:32最高工作温度:85 °C
最低工作温度:-40 °C输出特性:CONSTANT-CURRENT
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP32,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH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:1.2 mm子类别:Display Drivers
最大压摆率:90 mA最大供电电压:3.5 V
最小供电电压:3 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:6.1 mm最小 fmax:30 MHz
Base Number Matches:1

TLC5947DAPRG4 数据手册

 浏览型号TLC5947DAPRG4的Datasheet PDF文件第2页浏览型号TLC5947DAPRG4的Datasheet PDF文件第3页浏览型号TLC5947DAPRG4的Datasheet PDF文件第4页浏览型号TLC5947DAPRG4的Datasheet PDF文件第5页浏览型号TLC5947DAPRG4的Datasheet PDF文件第6页浏览型号TLC5947DAPRG4的Datasheet PDF文件第7页 
TLC5947  
www.ti.com ................................................................................................................................................. SBVS114AJULY 2008REVISED SEPTEMBER 2008  
24-Channel, 12-Bit PWM LED Driver with  
Internal Oscillator  
1
FEATURES  
Noise Reduction:  
23  
24 Channels, Constant Current Sink Output  
30-mA Capability (Constant Current Sink)  
12-Bit (4096 Steps) PWM Grayscale Control  
LED Power-Supply Voltage up to 30 V  
VCC = 3.0 V to 5.5 V  
4-channel grouped delay to prevent inrush  
current  
Operating Temperature: –40°C to +85°C  
APPLICATIONS  
Static LED Displays  
Message Boards  
Amusement Illumination  
TV Backlighting  
Constant Current Accuracy:  
Channel-to-Channel = ±2% (typ)  
Device-to-Device = ±2% (typ)  
CMOS Logic Level I/O  
DESCRIPTION  
30-MHz Data Transfer Rate (Standalone)  
15-MHz Data Transfer Rate (Cascaded Devices,  
SCLK Duty = 50%)  
The TLC5947 is a 24-channel, constant current sink  
LED driver. Each channel is individually adjustable  
with 4096 pulse-width modulated (PWM) steps. PWM  
control is repeated automatically with the  
programmed grayscale (GS) data. GS data are  
written via a serial interface port. The current value of  
all 24 channels is set by a single external resistor.  
Shift Out Data Changes With Falling Edge to  
Avoid Data Shift Errors  
Auto Display Repeat  
4-MHz Internal Oscillator  
Thermal Shutdown (TSD):  
The TLC5947 has a thermal shutdown (TSD) function  
that turns off all output drivers during an  
over-temperature condition. All of the output drivers  
automatically restart when the temperature returns to  
normal conditions.  
Automatic shutdown at over temperature  
conditions  
Restart under normal temperature  
VLED  
VLED  
VLED  
VLED  
¼
¼
¼
¼
¼
¼
¼
¼
¼
¼
¼
OUT0  
OUT23  
SOUT  
OUT0  
SIN  
OUT23  
SOUT  
DATA  
SIN  
SCLK  
SCLK  
SCLK  
XLAT  
BLANK  
VCC  
VCC  
Controller  
XLAT  
TLC5947  
TLC5947  
ICn  
XLAT  
BLANK  
IC1  
VCC  
GND  
VCC  
GND  
BLANK  
IREF  
IREF  
RIREF  
RIREF  
3
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
PowerPAD is a trademark of Texas Instruments, Inc.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008, Texas Instruments Incorporated  

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