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TLC5951RTAR

Texas Instruments LED 驱动器

更新日期：2024-04-01 00:04:00

TLC5951RTAR

Texas Instruments LED 驱动器

产品简介：具有 7 位点校正和 8 位全局亮度控制功能的 24 通道、12 位 PWM LED 驱动器

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TLC5951RTAR 供应商

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  • 品牌
  • 封装/批号
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TLC5951RTAR 中文资料属性参数

  • 现有数量：0现货10,000Factory查看交期
  • 价格：2,500 : ￥16.26550卷带（TR）
  • 系列：-
  • 包装：卷带（TR）剪切带（CT）? 得捷定制卷带
  • 产品状态：在售
  • 类型：线性
  • 拓扑：移位寄存器
  • 内部开关：是
  • 输出数：24
  • 电压 - 供电（最低）：3V
  • 电压 -?供电（最高）：5.5V
  • 电压 - 输出：15V
  • 电流 - 输出/通道：40mA
  • 频率：30MHz
  • 调光：-
  • 应用：标牌
  • 工作温度：-40°C ~ 85°C（TA）
  • 安装类型：表面贴装型
  • 封装/外壳：40-WFQFN 裸露焊盘
  • 供应商器件封装：40-WQFN（6x6）

产品特性

  • 24-Channel Constant-Current Sink Output
  • Current Capability: 40 mA
  • Selectable Grayscale (GS) Control With PWM: 12-Bit (4096 Step), 10-Bit (1024 Step), 8-Bit (256 Step)
  • Three Independent Grayscale Clocks for Three Color Groups
  • Dot Correction (DC): 7-Bit (128 Step)
  • Global Brightness Control (BC) for Each Color Group: 8-Bit (256 Step)
  • Auto Display Repeat Function
  • Independent Data Port for GS and BC and DC Data
  • Communication Path Between Each Data Port
  • LED Power-Supply Voltage up to 15 V
  • VCC = 3 V to 5.5 V
  • Constant-Current Accuracy:Channel-to-Channel = ±1.5%Device-to-Device = ±3%
  • Channel-to-Channel = ±1.5%
  • Device-to-Device = ±3%
  • CMOS Logic Level I/O
  • Data Transfer Rate: 30 MHz
  • 33-MHz Grayscale Control Clock
  • Continuous Base LED-Open Detection (LOD)
  • Continuous Base LED-Short Detection (LSD)
  • Thermal Shutdown (TSD) With Auto Restart
  • Grouped Delay to Prevent Inrush Current
  • Operating Ambient Temperature: –40°C to 85°C
  • Packages: HTSSOP-38, QFN-40

产品概述

The TLC5951 device is a 24-channel, constant-current sink driver. Each channel has an individually-adjustable, 4096-step, pulse-width modulation (PWM) grayscale (GS) brightness control and 128-step constant-current dot correction (DC). The dot correction adjusts brightness deviation between channels and other LED drivers. The output channels are grouped into three groups of eight channels. Each channel group has a 256-step global brightness control (BC) function and an individual grayscale clock input.GS, DC, and BC data are accessible via a serial interface port. DC and BC can be programmed via a dedicated serial interface port.The TLC5951 device has three error-detection circuits for LED-open detection (LOD), LED-short detection (LSD), and thermal error flag (TEF). LOD detects a broken or disconnected LED, LSD detects a shorted LED, and TEF indicates an overtemperature condition.
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TLC5951RTAR 电路图

TLC5951RTAR 电路图

TLC5951RTAR 电路图

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