- 您现在的位置：买卖IC网 > Datasheet目录365 > TLC5945PWP (Texas Instruments)IC LED DRIVER LINEAR 28-TSSOP Datasheet资料下载
参数资料
| 型号： | TLC5945PWP |
| 厂商： | Texas Instruments |
| 文件页数： | 15/30页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER LINEAR 28-TSSOP |
| 标准包装： | 50 |
| 恒定电流： | 是 |
| 拓扑： | PWM |
| 输出数： | 16 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 颜色 |
| 频率： | 30MHz |
| 电源电压： | 3 V ~ 5.5 V |
| 输出电压： | 17V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-HTSSOP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | 296-34380-5 TLC5945PWP-ND |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页当前第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页
TLC5945
www.ti.com
SLVS755 – MARCH 2007
Figure 9 shows the dot correction data packet format which consists of 6 bits x 16 channel, total 96 bits. The
format is Big-Endian format. This means that the MSB is transmitted first, followed by the MSB-1, etc. The DC
15.5 in Figure 9 stands for the 5 th -most significant bit for output 15.
MSB
LSB
0
DC 15.5
5
DC 15.0
6
DC 14.5
89
DC 1.0
90
DC 0.5
95
DC 0.0
DC OUT15
DC OUT14 ? DC OUT1
DC OUT0
Figure 9. Dot Correction Data Packet Format
When MODE is set to VCC, the TLC5945 enters the dot correction data input mode. The length of input shift
register becomes 96bits. After all serial data are shifted in, the TLC5945 writes the data in the input shift register
to DC register when XLAT is high, and holds the data in the DC register when XLAT is low. The DC register is a
level triggered latch of XLAT signal. Since XLAT is a level-triggered signal, SCLK and SIN must not be changed
while XLAT is high. After XLAT goes low, data in the DC register is latched and does not change. BLANK signal
does not need to be high to latch in new data. When XLAT goes high, the new dot-correction data immediately
becomes valid and changes the output currents if BLANK is low. XLAT has setup time (tsu1) and hold time (th1)
to SCLK as shown in Figure 6 .
To input data into the dot correction register, MODE must be set to V CC . The internal input shift register is then
set to 96-bit width. After all serial data are clocked in, a rising edge of XLAT is used to latch the data into the dot
correction register. Figure 10 shows the dc data input timing chart.
MODE
V CC
DC Mode Data
Input Cycle n
DC Mode Data
Input Cycle n+1
SIN
DC n?1
LSB
DC n
MSB
DC n
MSB?1
DC n
MSB?2
DC n
LSB+1
DC n
LSB
DC n+1
MSB
DC n+1
MSB?1
t wh0
SCLK
1
2
3
95
96
1
2
t wl0
SOUT
DC n?1
MSB
DC n?1
MSB?1
DC n?1
MSB?2
DC n?1
LSB+1
DC n?1
LSB
DC n
MSB
DC n
MSB?1
DC n
MSB?2
t su1
t wh2
t h1
XLAT
Figure 10. Dot Correction Data Input Timing Chart
SETTING GRAYSCALE
The TLC5945 can adjust the brightness of each channel OUTn using a PWM control scheme. The use of 12 bits
per channel results in 4096 different brightness steps, from 0% to 100% brightness. Equation 9 determines the
brightness level for each output n:
Brightness in % + GSn
4095
100
(9)
where:
GSn = the programmed grayscale value for output n (GSn = 0 to 4095)
Submit Documentation Feedback
15
相关PDF资料 |
PDF描述 |
|---|---|
| TLD1020-12 | POWER SUPPLY 20W 12VDC 1.66A |
| TLD1020-24-C0350 | POWER SUPPLY 20W 12-24VDC .350A |
| TLD1020-24-C0700 | POWER SUPPLY 20W 12-24VDC .700A |
| TLD1020-24 | POWER SUPPLY 20W 24VDC .830A |
| TLD1020-36-C0350 | POWER SUPPLY 20W 18-36VDC .350A |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC5945PWP | 制造商:Texas Instruments 功能描述:LED Drivers |
| TLC5945PWPG4 | 功能描述:LED显示驱动器 16-Ch LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| TLC5945PWPR | 功能描述:LED显示驱动器 16-Ch LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| TLC5945PWPRG4 | 功能描述:LED显示驱动器 16-Ch LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| TLC5945RHB | 制造商:TI 制造商全称:Texas Instruments 功能描述:16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL |
发布紧急采购，3分钟左右您将得到回复。