ZHCS616E March   2012  – February 2017 TCA9554

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化框图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I2C Interface Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 I/O Port
      2. 8.3.2 Interrupt Output (INT)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
    6. 8.6 Register Maps
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register and Command Byte
      3. 8.6.3 Register Descriptions
        1. 8.6.3.1 Bus Transactions
          1. 8.6.3.1.1 Writes
          2. 8.6.3.1.2 Reads
  9. 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 Calculating Junction Temperature and Power Dissipation
        2. 9.2.1.2 Minimizing ICC when I/Os Control LEDs
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power-On Reset Requirements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档
    2. 12.2 接收文档更新通知
    3. 12.3 社区资源
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 Glossary
  13. 13机械、封装和可订购信息

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

6.8 Typical Characteristics

TA = 25°C (unless otherwise noted)
TCA9554 D001_SCPS199.gif
fSCL = 400 kHz I/Os = High or Low Inputs
Figure 1. Supply Current (ICC, Operating Mode) vs Temperature (TA) at Four Supply Voltages
TCA9554 D003_SCPS199.gif
fSCL = 400 kHz I/Os = High or Low Inputs TA = 25°C
Figure 3. Supply Current (ICC, Operating Mode) vs Supply Voltage (VCC)
TCA9554 D005_SCPS199.gif
TA = 25°C
Figure 5. Sink Current (IOL) vs Output Low Voltage (VOL) for P-Ports at Four Supply Voltages
TCA9554 D007_SCPS199.gif
TA = 25°C
Figure 7. Source Current (IOH) vs Output High Voltage (VOH) for P-Ports at Four Supply Voltages
TCA9554 D001_SCPS233.gif
VCC = 5 V
Figure 9. Supply Current (ICC) vs Number of I/Os Held Low (#)
TCA9554 D002_SCPS199.gif
fSCL = 0 kHz I/Os = High Inputs
Figure 2. Supply Current (ICC, Standby Mode) vs Temperature (TA) at Four Supply Voltages
TCA9554 D004_SCPS199.gif
I/Os = High or Low Inputs
Figure 4. Output Low Voltage (VOL) vs Temperature (TA) for P-Port I/Os
TCA9554 D006_SCPS199.gif
Figure 6. Output High Voltage (VCC – VOH) vs Temperature (TA) for P-Ports
TCA9554 D008_SCPS199.gif
TA = 25°C
Figure 8. Output High Voltage (VOH) vs Supply Voltage (VCC) for P-Ports
TCA9554 D019_TCA9539.gif
Figure 10. Δ ICC vs Temperature for Different VCC
(VI = VCC – 0.6 V)