TLC5952 具有全局亮度控制和 LED 开路/短路检测功能的 24 通道恒流 LED 驱动器

TLC5952 描述

The TLC5952 is a 24-channel, constant-current sink driver. Each channel can be turned on/off with internal register data. The output channels are grouped into three groups of eight channels each. Each channel group has a 128-step global brightness control (BC) function. Both on/off data and BC are writable via a serial interface. The maximum current value of all 24 channels is set by a single external resistor. The TLC5952 has three error detection circuits: LED open detection (LOD), LED short detection (LSD), and a thermal error flag (TEF). The error detection is read via a serial interface

TLC5947 TLC5951 TLC5952
Output Channels 24   24   24  
Per Channel Drive(mA) 30   40   35  
Ch to Ch Accuracy(Typ)(+/- %) 2   1.5   1.0  
Data Transfer Rate(Typ)(MHz) 30   30   35  
Data Vin(Min)(V) 3.0   3.0   3.0  
Data Vin(Max)(V) 5.5   5.5   5.5  
LED Voltage(Max)(V) 30   15   15  
Pin/Package 32HTSSOP, 32QFN   38HTSSOP, 40VQFN   32HTSSOP  
Approx. Price (US$) 1.20 | 1ku   3.00 | 1ku   2.20 | 1ku 
TLC5952 特性
TLC5952 芯片订购指南
器件 状态   价格(美元) | Quantity 封装 | 引脚 封装数量 | 封装载体 丝印标记
TLC5952DAP ACTIVE -40 to 85 3.60 | 1ku HTSSOP (DAP) | 38 40 | TUBE  
TLC5952DAPR ACTIVE -40 to 85 3.00 | 1ku HTSSOP (DAP) | 38 2000 | LARGE T&R  
TLC5952 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
TLC5952DAP Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR TLC5952DAP TLC5952DAP
TLC5952DAPR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR TLC5952DAPR TLC5952DAPR
TLC5952 应用技术支持与电子电路设计开发资源下载
  1. TLC5952 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器照明解决方案产品选型与价格 . xls
  3. 照明和显示屏电源选择指南 (PDF 1427 KB)
  4. 笔记本电脑指南 (Rev. A) (PDF 2774 KB)
  5. 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)   (PDF  2206 KB)
  6. PowerPAD™ Made Easy (PDF 57 KB)
  7. 标准线性产品交叉参考 (Rev. D)   (PDF  1058 KB)
  8. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  9. 所选封装材料的热学和电学性质 (PDF 645 KB)
  10. 高速数据转换 (PDF 1967 KB)
TLC5952 相关工具
名称 型号 公司 工具/软件类型
TLC5952 评估模块 TLC5952EVM Texas Instruments 开发电路板/EVM
TLC5952 评估模块 TLC5952EVM-248 Texas Instruments 开发电路板/EVM
TLC5952 LED 驱动器评估模块 TLC5952EVM-477 Texas Instruments 开发电路板/EVM