PWP RHB NT
www.德州仪器.com
FEATURESAPPLICATIONS
描述
延迟
x0
6−bit 点 纠正
12−bit grayscale
pwm 控制
直流 寄存器
gs 寄存器
常量-电流
驱动器
led 打开 发现
温度
错误 标记
(tef)
最大值 outn
电流
延迟
x1
6−bit 点 纠正
12−bit grayscale
pwm 控制
直流 寄存器
gs 寄存器
常量-电流
驱动器
led 打开 发现
延迟
x15
6−bit 点 纠正
12−bit grayscale
pwm 控制
直流 寄存器
gs 寄存器
常量-电流
驱动器
led 打开 发现
OUT0
OUT1
OUT15
SOUT
SINSCLK
IREF
XERR
XLAT
GSCLK
BLANK
GNDVCC
模式
输入
变换
寄存器
输入
变换
寄存器
模式
110
2312
191180
9590
5
模式
0
95
96
191
led 打开
发现
(lod)
6 11
0
192
96
01
01
01
gs 计数器
CNT
CNT
CNT
CNT
96
96
状态
信息:
lod,
ted,
直流 数据
192
0
191
V
REF
=1.24
V
TLC5941
SLVS589–JULY2005
16-channelleddriverwithdotcorrectionandgrayscalepwm
控制
•
monocolor,multicolor,全部-colorleddis-
•
16Channels
plays
•
12-位(4096steps)grayscalepwmcontrol
•
LEDSignboards
•
DotCorrection
•
displayback-lighting
–6bit(64steps)
•
drivecapability(常量-currentsink)
–0mAto80mA
thetlc5941isa16-频道,常量-currentsink,
•
LEDPowerSupplyVoltageupto17V
leddriver.eachchannelhasanindividuallyadjust-
able4096-stepgrayscalepwmbrightnesscontrol
•
V
CC
=3.0vto5.5v
anda64-stepconstant-currentsink(dotcorrection).
•
serialdatainterface,spicompatible
Thedotcorrectionadjuststhebrightnessvariations
•
controlledin-rushcurrent
betweenledchannelsandotherleddrivers.两个都
grayscalecontrolanddotcorrectionareaccessible
•
30-mhzdatatransferrate
viaaserialinterface.asingleexternalresistorsets
•
cmosleveli/o
themaximumcurrentvalueofall16channels.
•
ErrorInformation
thetlc5941featurestwoerrorinformationcircuits.
–lod:ledopendetection
theledopendetection(lod)indicatesabrokenor
–tef:thermalerrorflag
disconnectedledatanoutputterminal.thethermal
errorflag(tef)indicatesanovertemperaturecon-
dition.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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