SCPS198C September   2014  – February 2017 TCA9534A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling 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. 12Device and Documentation Support
    1. 12.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

PW and DW Package
16-Pin TSSOP and SOIC
Top View
TCA9534A po_cps197.gif

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
1 A0 I Address input. Connect directly to VCC or ground
2 A1 I Address input. Connect directly to VCC or ground
3 A2 I Address input. Connect directly to VCC or ground
4 P0 I/O P-port input-output. Push-pull design structure. At power on, P0 is configured as an input
5 P1 I/O P-port input-output. Push-pull design structure. At power on, P1 is configured as an input
6 P2 I/O P-port input-output. Push-pull design structure. At power on, P2 is configured as an input
7 P3 I/O P-port input-output. Push-pull design structure. At power on, P3 is configured as an input
8 GND — Ground
9 P4 I/O P-port input-output. Push-pull design structure. At power on, P4 is configured as an input
10 P5 I/O P-port input-output. Push-pull design structure. At power on, P5 is configured as an input
11 P6 I/O P-port input-output. Push-pull design structure. At power on, P6 is configured as an input
12 P7 I/O P-port input-output. Push-pull design structure. At power on, P7 is configured as an input
13 INT O Interrupt output. Connect to VCC through a pull-up resistor
14 SCL I Serial clock bus. Connect to VCC through a pull-up resistor
15 SDA I/O Serial data bus. Connect to VCC through a pull-up resistor
16 VCC — Supply voltage