SCPS201F August   2009  – September 2026 TCA9535

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 I2C Interface Timing Requirements
    7. 5.7 Switching Characteristics
    8. 5.8 Typical Characteristics
  7.   Parameter Measurement Information
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 5V Tolerant I/O Ports
      2. 6.3.2 Hardware Address Pins
      3. 6.3.3 Interrupt ( INT) Output
    4. 6.4 Device Functional Modes
      1. 6.4.1 Power-On Reset (POR)
      2. 6.4.2 Powered-Up
    5. 6.5 Programming
      1. 6.5.1 I2C Interface
        1. 6.5.1.1 Bus Transactions
          1. 6.5.1.1.1 Writes
          2. 6.5.1.1.2 Reads
      2. 6.5.2 Device Address
      3. 6.5.3 Control Register and Command Byte
    6. 6.6 Register Maps
      1. 6.6.1 Register Descriptions
  9. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
        1. 7.2.1.1 Calculating Junction Temperature and Power Dissipation
        2. 7.2.1.2 Minimizing ICC When I/O is Used to Control LED
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  10. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  11. 9 Revision History
  12. 10Mechanical, Packaging, and Orderable Information

7.2 Typical Application

Figure 7-1 shows an application in which the TCA9535 can be used.

TCA9535 Application Schematic
Device address is configured as 0100100 for this example.
P00, P02, and P03 are configured as outputs.
P01, P04–P07, and P10–P17 are configured as inputs.
Pin numbers shown are for the PW package.
Figure 7-1 Application Schematic