ZHCSPI8D November   2021  – July 2022 TLC6984

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. 说明(续)
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Independent and Stackable Mode
        1. 8.3.1.1 Independent Mode
        2. 8.3.1.2 Stackable Mode
      2. 8.3.2 Current Setting
        1. 8.3.2.1 Brightness Control (BC) Function
        2. 8.3.2.2 Color Brightness Control (CC) Function
        3. 8.3.2.3 Choosing BC/CC for a Different Application
      3. 8.3.3 Frequency Multiplier
      4. 8.3.4 Line Transitioning Sequence
      5. 8.3.5 Protections and Diagnostics
        1. 8.3.5.1 Thermal Shutdown Protection
        2. 8.3.5.2 IREF Resistor Short Protection
        3. 8.3.5.3 LED Open Load Detection and Removal
          1. 8.3.5.3.1 LED Open Detection
          2. 8.3.5.3.2 Read LED Open Information
          3. 8.3.5.3.3 LED Open Caterpillar Removal
        4. 8.3.5.4 LED Short and Weak Short Circuitry Detection and Removal
          1. 8.3.5.4.1 LED Short and Weak Short Detection
          2. 8.3.5.4.2 Read LED Short Information
          3. 8.3.5.4.3 LSD Caterpillar Removal
    4. 8.4 Device Functional Modes
    5. 8.5 Continuous Clock Series Interface
      1. 8.5.1 Data Validity
      2. 8.5.2 CCSI Frame Format
      3. 8.5.3 Write Command
        1. 8.5.3.1 Chip Index Write Command
        2. 8.5.3.2 VSYNC Write Command
        3. 8.5.3.3 MPSM Write Command
        4. 8.5.3.4 Standby Clear and Enable Command
        5. 8.5.3.5 Soft_Reset Command
        6. 8.5.3.6 Data Write Command
      4. 8.5.4 Read Command
    6. 8.6 PWM Grayscale Control
      1. 8.6.1 Grayscale Data Storage and Display
        1. 8.6.1.1 Memory Structure Overview
        2. 8.6.1.2 Details of Memory Bank
        3. 8.6.1.3 Write a Frame Data into Memory Bank
      2. 8.6.2 PWM Control for Display
    7. 8.7 Register Maps
      1. 8.7.1  FC0
      2. 8.7.2  FC1
      3. 8.7.3  FC2
      4. 8.7.4  FC3
      5. 8.7.5  FC4
      6. 8.7.6  FC14
      7. 8.7.7  FC15
      8. 8.7.8  FC16
      9. 8.7.9  FC17
      10. 8.7.10 FC18
      11. 8.7.11 FC19
      12. 8.7.12 FC20
      13. 8.7.13 FC21
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 System Structure
        2. 9.2.1.2 SCLK Frequency
        3. 9.2.1.3 Internal GCLK Frequency
        4. 9.2.1.4 Line Switch Time
        5. 9.2.1.5 Blank Time Removal
        6. 9.2.1.6 BC and CC
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Chip Index Command
        2. 9.2.2.2 FC Registers Settings
        3. 9.2.2.3 Grayscale Data Write
        4. 9.2.2.4 VSYNC Command
        5. 9.2.2.5 LED Open and Short Read
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

特性

  • 支持分立式 VCC 和 VR/G/B 电源
    • VCC 电压范围:2.5 V 至 5.5 V
    • VR/G/B 电压范围:2.5 V 至 5.5 V
  • 48 个电流源通道,范围从 0.2 mA 到 20 mA
    • 通道间精度:±0.5%(典型值),±2%(最大值);器件间一致性:±0.5%(典型值),±2%(最大值)
    • 低拐点电压:当 IOUT = 5 mA 时为 0.26V(最大值)
    • 3 位(8 级)全局亮度控制
    • 8 位(256 级)色彩亮度控制
    • 最大 16 位(65536 级)PWM 灰度控制
  • 带 190 mΩ RDS(ON) 的 16 个扫描线开关
  • 超低功耗
    • 低至 2.5V 的独立 VCC
    • 超低 ICC(低至 3.6 mA),具有 50 MHz GCLK
    • 智能省电模式,ICC 低至 0.9 mA
  • 内置 SRAM 支持 1 至 64 路复用
    • 支持 16 路复用的单个器件可驱动 48 × 16 LED 或 16 × 16 RGB 像素
    • 支持 32 路复用的两个器件堆叠后可驱动 96 × 32 LED 或 32 × 32 RGB 像素
    • 三个可堆叠 48 路复用器件,支持 144×48 LED 或 48×48 RGB 像素
    • 四个可堆叠 64 路复用器件,支持 192 × 64 LED 或 64 × 64 RGB 像素
  • 高速和低 EMI 连续时钟串行接口 (CCSI)
    • 仅三条总线:SCLK/SIN/SOUT
    • 具有双沿传输机制的外部 25MHz(最大值)SCLK(内部 50MHz)
    • 支持高 GCLK 频率的内部倍频器
  • 优化的显示性能
    • 可编程的扫描线序列
    • 去除上下重影
    • 低灰度增强
    • 检测和消除 LED 开路、短路和弱短路