SCPS292 July   2025 TCA9539A-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 I2C Interface Timing Requirements
    7. 5.7 RESET 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 RESET Input
      3. 7.3.3 Interrupt ( INT) Output
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-On Reset
    5. 7.5 Programming
      1. 7.5.1 I2C Interface
    6. 7.6 Register Map
      1. 7.6.1 Device Address
      2. 7.6.2 Control Register And Command Byte
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Calculating Junction Temperature and Power Dissipation
        2. 8.2.2.2 Minimizing ICC When I/Os Control LEDs
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
VCC Supply voltage 1.65 5.5 V
VI/O I/O ports voltage SCL, SDA, A0, A1, RESET, INT(1) –0.5 5.5 V
For P00–P07, P10–P17 configured as outputs –0.5 5.5 V
For P00–P07, P10–P17 configured as inputs(1) –0.5 5.5 V
VIH High-level input voltage SCL, SDA, A0, A1, RESET, P07–P00, P10–P17 0.7 × VCC V
VIL Low-level input voltage SCL, SDA, A0, A1, RESET, P07–P00, P10–P17 0.3 × VCC V
IOH High-level output current P00–P07, P10–P17 –8 mA
IOL Low-level output current P00–P07, P10–P17 Tj ≤ 132°C 4.5 mA
IOL Low-level output current INT, SDA Tj ≤ 132°C 6 mA
Pd Power dissipation (2) Tj ≤ 132°C 65 mW
TJ Junction temperatture Junction temperature Junction temperature –40 132 °C
TPCB PCB temperature Measured 1mm away from the device Pd ≤ 65 mW –40 128 °C
TA Operating free-air temperature –40 125 °C
(1) For voltages applied above VCC, an increase in ICC results.
(2) See the Section 8.2.2.1 section on how to calculate the junction temperature.