SCPS314 December   2025 TCA9536-Q1

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 Timing Requirements
    7. 5.7 I2C Bus Timing Requirements
    8. 5.8 Switching Characteristics
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 I/O Port
      2. 7.3.2 P3 or Interrupt (INT) Output
      3. 7.3.3 Pull-up Disable Functionality
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-On Reset
      2. 7.4.2 Powered-Up
    5. 7.5 Programming
      1. 7.5.1 I2C Interface
        1. 7.5.1.1 Writes
        2. 7.5.1.2 Reads
      2. 7.5.2 Software Reset Call
    6. 7.6 Register Maps
      1. 7.6.1 Device Address
      2. 7.6.2 Control Register and Command Byte
      3. 7.6.3 Register Descriptions
  9. 8 Application Information
    1. 8.1 Typical Application
      1. 8.1.1 Design Requirements
        1. 8.1.1.1 Minimizing ICC When I/Os Control LEDs
      2. 8.1.2 Detailed Design Procedure
      3. 8.1.3 Application Curves
  10. 9 Power Supply Recommendations
    1. 9.1 Power-On Reset
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

7.6.1 Device Address

Table 7-1 shows the fixed 7-bit address of the device. Note that I2C uses a 7-bit address with a 1-bit READ/WRITE bit for the LSB.

Table 7-1 Device Address
DeviceA6A5A4A3A2A1A0HexDecimal
TCA9536-Q110000000x4064

The last bit of the 8-bit address byte defines the operation (read or write) to be performed. When it is high (1), a read is selected, while a low (0) selects a write operation.