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TLC5930 PDF预览

TLC5930

更新时间： 2024-09-14 21:55:23
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
39页 780K
描述
12-CHANNEL LED DRIVER

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中文翻译

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TLC5930 数据手册

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SLLS528 – MARCH 2002  
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FEATURES  
DESCRIPTION  
D
0.2-mA to 40-mA (Constant-Current Sink)  
Drive Capability x 12 Bits Output Count into  
24-Pin HTSSOP Package  
The TLC5930 is a constant-current sink driver  
with an adjustable current value, and 1024 gray  
scale display that uses pulse width control. The  
output current is 0.2 mA to 40 mA with 12 bits of  
RGBx4. The maximum current value of the  
constant-current output can be set by one external  
resistor.  
D
D
1024 Gray-Scale Display (PWM Control 1024  
Steps) with Max 25-MHz Clock Frequency  
3-Way Brightness Adjustment  
– Plane Brightness Adjustment for 64 Steps  
(40% to 100%)  
– Frequency Division for 16 Steps  
(6.3% to 100%)  
The TLC5930 includes three kinds of brightness  
adjustment functions: one adjusts the plane  
brightness between devices, changing the current  
values of all outputs uniformly. The second adjusts  
the frequency division to controls overall panel  
brightness, and the third adjusts the dot correction  
per LED, changing the current values of  
independent output.  
– Dot Correction for 256 Steps (0% to 100%)  
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DS–Link Data Input/Output (Data Rate Max  
20 Mbps) with Packet Operation  
5 Error Information Types and 2 Gray–Scale  
Clock Modes  
3.3-V V  
and LVTTL Interface  
The TLC5930 also includes color–tone correction  
function for correcting color per dot (pixel) and  
OVM function for constant-current output  
terminals used for LED failure detection.  
CC  
APPLICATION  
D
Full- or Multi-Color LED Display  
Other features include the thermal error flag  
(TEF). The active wire-check (AWC) to check the  
communication between the controller and the  
device. The LED leakage-detect (LKD) to detect  
the reverse leakage on the LED. The GCLK error  
flag (GEF) and the HSYNC error flag (HEF) by  
monitoring the gray-scale clock count, and the  
dual source gray-scale clock (DSG) function to  
switch the gray-scale clock to the external input  
clock or to switch the internally-generated clock.  
The TLC5930 requires three signals for standard  
operation: data input and gray-scale clock. Only  
three-signal line and 24-pin HTSSOP package  
reduce board area and total cost.  
PowerPAD is a trademark of Texas Instruments Incorporated.  
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Copyright 2002, Texas Instruments Incorporated  
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ꢜ ꢠ ꢝ ꢜꢕ ꢖꢪ ꢘꢗ ꢛ ꢣꢣ ꢡꢛ ꢙ ꢛ ꢚ ꢠ ꢜ ꢠ ꢙ ꢝ ꢥ  
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www.ti.com  
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中文翻译

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