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TLC5948ADBQR PDF预览

TLC5948ADBQR

更新时间： 2024-11-19 11:44:35
品牌 Logo 应用领域
德州仪器 - TI 显示驱动器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
50页 1081K
描述
16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver

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中文翻译

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TLC5948ADBQR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active包装说明：SSOP, SSOP24,.24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.59Is Samacsys：N
数据输入模式：SERIAL显示模式：SEGMENT
输入特性：STANDARD接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G24JESD-609代码：e4
长度：8.65 mm湿度敏感等级：2
复用显示功能：NO功能数量：1
区段数：16端子数量：24
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：SSOP封装等效代码：SSOP24,.24
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, 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：1.75 mm
子类别：Display Drivers最大压摆率：18 mA
最大供电电压：5.5 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
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：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mm最小 fmax：33 MHz
Base Number Matches：1

TLC5948ADBQR 数据手册

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TLC5948A  
www.ti.com  
SBVS192 –MARCH 2012  
16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver for  
7-Bit DC and 7-Bit Global BC LED Lamp  
Check for Samples: TLC5948A  
1
FEATURES  
23  
•
16 Constant-Current Sink Output Channels  
•
•
•
•
Current Reference Terminal Short Flag (ISF)  
•
Sink Current Capability with Maximum DC and  
BC Data:  
Thermal Shutdown (TSD) and Error Flag (TEF)  
Pre-Thermal Warning (PTW)  
–
–
2 mA to 45 mA (VCC ≤ 3.6 V)  
Four-Channel Grouped Delay Switching to  
Prevent Inrush Current  
2 mA to 60 mA (VCC > 3.6 V)  
•
•
•
Dot Correction (DC):  
7-Bit (128 Steps) with 0% to 100% Range  
Global Brightness Control (BC):  
7-Bit (128 Steps) with 25% to 100% Range  
•
Operating Temperature: –40°C to +85°C  
–
APPLICATIONS  
•
•
LED Video Displays  
LED Signboards  
–
Grayscale Control (GS) with Enhanced  
Spectrum or Conventional PWM:  
DESCRIPTION  
–
16-Bit (65,536 Steps)  
The TLC5948A is a 16-channel, constant-current sink  
LED driver. Each channel has an individually-  
adjustable, pulse width modulation (PWM) grayscale  
(GS) brightness control with 65,536 steps and 128  
steps of constant-current dot correction (DC). DC  
adjusts brightness deviation between channels. All  
channels have a 128-step global brightness control  
(BC). BC adjusts brightness deviation with other LED  
drivers. GS, DC, and BC data are accessible with a  
serial interface port.  
•
•
•
LED Power-Supply Voltage: Up to 10 V  
VCC: 3.0 V to 5.5 V  
Constant-Current Accuracy:  
–
–
Channel-to-Channel: ±0.6% (typ), ±2% (max)  
Device-to-Device: ±1% (typ), ±4% (max)  
•
•
•
•
•
•
Data Transfer Rate: 33 MHz  
Grayscale Control Clock: 33 MHz  
Auto Display Repeat and Auto Data Refresh  
Display Timing Reset  
The TLC5948A has six error flags: LED open  
detection (LOD), LED short detection (LSD), output  
leakage detection (OLD), reference current terminal  
short flag detection (ISF), pre-thermal warning (PTW),  
and thermal error flag (TEF). The error detection  
results can be read with a serial interface port.  
Power-Save Mode to Minimize VCC Current  
LOD and LSD with Invisible Detection  
Mode (IDM)  
•
Output Leakage Detection (OLD)  
VLED  
¼
¼
¼
¼
¼
¼
¼
¼
OUT0  
OUT15  
SOUT  
OUT0  
SIN  
OUT15  
SOUT  
DATA  
SIN  
SCLK  
VCC  
VCC  
SCLK  
SCLK  
LAT  
LAT  
Device 1  
Device n  
LAT  
VCC  
GND  
VCC  
GND  
GSCLK  
GSCLK  
IREF  
GSCLK  
IREF  
Controller  
RIREF  
RIREF  
3
Data Read  
Typical Application Circuit (Multiple Daisy-Chained TLC5948As)  
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.  
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 © 2012, Texas Instruments Incorporated  
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TLC5948ADBQR 替代型号

型号 品牌 替代类型 描述 数据表
TLC5948ADBQ TI

完全替代

 16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver

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