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TLC5941RHBT

更新时间： 2024-11-29 13:14:47
品牌 Logo 应用领域
德州仪器 - TI 驱动器
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23页 505K
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TLC5941RHBT 数据手册

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TLC5941  
PWP  
RHB  
NT  
www.ti.com  
SLVS589–JULY 2005  
16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM  
CONTROL  
FEATURES  
APPLICATIONS  
•
Monocolor, Multicolor, Full-Color LED Dis-  
plays  
•
•
•
16 Channels  
12-bit (4096 Steps) Grayscale PWM Control  
Dot Correction  
•
•
LED Signboards  
Display Back-lighting  
– 6 bit (64 Steps)  
•
Drive Capability (Constant-Current Sink)  
– 0 mA to 80 mA  
DESCRIPTION  
The TLC5941 is a 16-channel, constant-current sink,  
LED driver. Each channel has an individually adjust-  
able 4096-step grayscale PWM brightness control  
and a 64-step constant-current sink (dot correction).  
The dot correction adjusts the brightness variations  
between LED channels and other LED drivers. Both  
grayscale control and dot correction are accessible  
via a serial interface. A single external resistor sets  
the maximum current value of all 16 channels.  
•
•
•
•
•
•
•
LED Power Supply Voltage up to 17 V  
VCC = 3.0 V to 5.5 V  
Serial Data Interface, SPI Compatible  
Controlled In-Rush Current  
30-MHz Data Transfer Rate  
CMOS Level I/O  
Error Information  
The TLC5941 features two error information circuits.  
The LED open detection (LOD) indicates a broken or  
disconnected LED at an output terminal. The thermal  
error flag (TEF) indicates an overtemperature con-  
dition.  
– LOD: LED Open Detection  
– TEF: Thermal Error Flag  
VCC  
GND  
SCLK  
SIN  
XLAT  
CNT  
MODE  
Constant-Current  
Driver  
1
0
12−Bit Grayscale  
PWM Control  
GS Register  
DC Register  
OUT0  
V
IREF  
REF  
=1.24  
MODE  
Max. OUTn  
Current  
0
0
11  
1
0
Delay  
x0  
V
0
6−Bit Dot Correction  
LED Open Detection  
5
GSCLK  
BLANK  
GS Counter  
CNT  
Input  
Shift  
Register  
CNT  
0
96  
Status  
Constant-Current  
Driver  
Information:  
12−Bit Grayscale  
PWM Control  
192  
192  
GS Register  
OUT1  
12  
6
23  
LOD,  
TED,  
DC DATA  
Delay  
x1  
95  
96  
96  
DC Register  
11  
6−Bit Dot Correction  
LED Open Detection  
191  
1
0
MODE  
96  
Temperature  
Error Flag  
(TEF)  
LED Open  
Detection  
(LOD)  
CNT  
Input  
Shift  
Constant-Current  
Driver  
12−Bit Grayscale  
PWM Control  
GS Register  
191  
OUT15  
Register  
180  
90  
Delay  
x15  
XERR  
DC Register  
95  
6−Bit Dot Correction  
LED Open Detection  
191  
SOUT  
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.  
PowerPAD is a trademark of Texas Instruments.  
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 © 2005, Texas Instruments Incorporated  
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TLC5941RHBT 替代型号

型号 品牌 替代类型 描述 数据表
TLC5941RHBTG4 TI

完全替代

 具有点校正与灰度 PWM 控制的 16 通道 LED 驱动器 | RHB | 32 | -
TLC5941RHBR TI

完全替代

 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
TLC5941RHB TI

完全替代

 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

与TLC5941RHBT相关器件

型号 品牌 获取价格 描述 数据表
TLC5941RHBTG4 TI

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 		具有点校正与灰度 PWM 控制的 16 通道 LED 驱动器 | RHB | 32 | -
TLC5942 TI

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 		16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction
TLC5942PWP TI

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 		16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction
TLC5942PWPR TI

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 		16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction
TLC5942RHBR TI

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 		16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction
TLC5942RHBRG4 TI

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 		LED DISPLAY DRIVER, PQCC32, 5 X 5 MM, GREEN, PLASTIC, QFN-32
TLC5942RHBT TI

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 		16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction
TLC5943 TI

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 		16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control
TLC5943PWP TI

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 		16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control
TLC5943PWPR TI

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 		16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control

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