SCPS200E July   2009  – April 2019 TCA9555

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 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 I2C Interface Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 5-V Tolerant I/O Ports
      2. 9.3.2 Hardware Address Pins
      3. 9.3.3 Interrupt (INT) Output
    4. 9.4 Device Functional Modes
      1. 9.4.1 Power-On Reset (POR)
      2. 9.4.2 Powered-Up
    5. 9.5 Programming
      1. 9.5.1 I/O Port
      2. 9.5.2 I2C Interface
        1. 9.5.2.1 Bus Transactions
          1. 9.5.2.1.1 Writes
          2. 9.5.2.1.2 Reads
      3. 9.5.3 Device Address
      4. 9.5.4 Control Register and Command Byte
    6. 9.6 Register Maps
      1. 9.6.1 Register Descriptions
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Calculating Junction Temperature and Power Dissipation
        2. 10.2.2.2 Minimizing ICC When I/O Is Used to Control LED
        3. 10.2.2.3 Pull-Up Resistor Calculation
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.8 Typical Characteristics

TA = 25°C (unless otherwise noted)
TCA9555 D001_TCA9539.gif
Figure 1. Supply Current vs Temperature for Different Supply Voltage (VCC)
TCA9555 D003_TCA9539.gif
Figure 3. Supply Current vs Supply Voltage for Different Temperature (TA)
TCA9555 D005_TCA9539.gif
Figure 5. I/O Sink Current vs Output Low Voltage for Different Temperature (TA) for VCC = 1.8 V
TCA9555 D007_TCA9539.gif
Figure 7. I/O Sink Current vs Output Low Voltage for Different Temperature (TA) for VCC = 3.3 V
TCA9555 D010_TCA9539.gif
Figure 9. I/O Sink Current vs Output Low Voltage for Different Temperature (TA) for VCC = 5.5 V
TCA9555 D012_TCA9539.gif
Figure 11. I/O Source Current vs Output High Voltage for Different Temperature (TA) for VCC = 1.65 V
TCA9555 D014_TCA9539.gif
Figure 13. I/O Source Current vs Output High Voltage for Different Temperature (TA) for VCC = 2.5 V
TCA9555 D016_TCA9539.gif
Figure 15. I/O Source Current vs Output High Voltage for Different Temperature (TA) for VCC = 5 V
TCA9555 D018_TCA9539.gif
Figure 17. VCC – VOH Voltage vs Temperature for Different VCC
TCA9555 D002_TCA9539.gif
Figure 2. Standby Supply Current vs Temperature for Different Supply Voltage (VCC)
TCA9555 D004_TCA9539.gif
Figure 4. I/O Sink Current vs Output Low Voltage for Different Temperature (TA) for VCC = 1.65 V
TCA9555 D006_TCA9539.gif
Figure 6. I/O Sink Current vs Output Low Voltage for Different Temperature (TA) for VCC = 2.5 V
TCA9555 D009_TCA9539.gif
Figure 8. I/O Sink Current vs Output Low Voltage for Different Temperature (TA) for VCC = 5 V
TCA9555 D011_TCA9539.gif
Figure 10. I/O Low Voltage vs Temperature for Different VCC and IOL
TCA9555 D013_TCA9539.gif
Figure 12. I/O Source Current vs Output High Voltage for Different Temperature (TA) for VCC = 1.8 V
TCA9555 D015_TCA9539.gif
Figure 14. I/O Source Current vs Output High Voltage for Different Temperature (TA) for VCC = 3.3 V
TCA9555 D017_TCA9539.gif
Figure 16. I/O Source Current vs Output High Voltage for Different Temperature (TA) for VCC = 5.5 V
TCA9555 D019_TCA9539.gif
Figure 18. Δ ICC vs Temperature for Different VCC (VI = VCC – 0.6 V)