IC元器件

TLC5940QPWPREP

参考价格：$3.475-$6.45

Texas Instruments PMIC - LED 驱动器

TLC5940QPWPREP 供应商

TLC5940QPWPREP 属性参数

  • 标准包装：1
  • 类别：集成电路 (IC)
  • 家庭：PMIC - LED 驱动器
  • 系列：-
  • 恒定电流：是
  • 恒定电压：-
  • 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：®
  • 工作温度：-40°C ~ 125°C
  • 其它名称：296-27433-6

产品特性

  • 16 Channels
  • 12-Bit (4096 Steps) Grayscale PWM Control
  • Dot Correction 6 Bit (64 Steps) Storable in Integrated EEPROM
  • 6 Bit (64 Steps)
  • Storable in Integrated EEPROM
  • Drive Capability (Constant-Current Sink) of 0 mA to 72 mA (–40°C to 125°C) 0 mA to 60 mA (VCC < 3.6 V, –40°C to 85°C) 0 mA to 120 mA (VCC > 3.6 V, &#ndash;40°C to 85°C)
  • 0 mA to 60 mA (VCC < 3.6 V, –40°C to 85°C)
  • 0 mA to 120 mA (VCC > 3.6 V, &#ndash;40°C to 85°C)
  • LED Power Supply Voltage up to 17 V
  • VCC = 3 V to 5.5 V
  • Serial Data Interface
  • Controlled In-Rush Current
  • 30-MHz Data Transfer Rate
  • CMOS Level I/O
  • Error Information LOD: LED Open Detection TEF: Thermal Error Flag
  • LOD: LED Open Detection
  • TEF: Thermal Error Flag
  • APPLICATIONS Monocolor, Multicolor, Full-Color LED Displays LED Signboards Display Backlighting General, High-Current LED Drive Supports Defense, Aerospace, and Medical Applications: Controlled Baseline One Assembly/Test Site One Fabrication Site Available in Q-Temp (–40°C/125°C) Extended Product Life Cycle Extended Product-Change Notification Product Traceability
  • Monocolor, Multicolor, Full-Color LED Displays
  • LED Signboards
  • Display Backlighting
  • General, High-Current LED Drive
  • Supports Defense, Aerospace, and Medical Applications: Controlled Baseline One Assembly/Test Site One Fabrication Site Available in Q-Temp (–40°C/125°C) Extended Product Life Cycle Extended Product-Change Notification Product Traceability
  • Controlled Baseline
  • One Assembly/Test Site
  • One Fabrication Site
  • Available in Q-Temp (–40°C/125°C)
  • Extended Product Life Cycle
  • Extended Product-Change Notification
  • Product Traceability

产品概述

The TLC5940-EP is a 16-channel, constant-current sink LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step, constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. The dot correction data is stored in an integrated EEPROM. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels.The TLC5940-EP features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an overtemperature condition.
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