SCPS209C May   2014  – November 2019 TCA9544A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD 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 Interrupt Timing Requirements
    9. 6.9 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
    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 Control Register
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register Description
      3. 8.6.3 Control Register Definition
      4. 8.6.4 Interrupt Handling
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 TCA9544A 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 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 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 Package
Top View

Pin Functions

PIN DESCRIPTION
NAME NO.
A0 1 Address input 0. Connect directly to VCC or ground.
A1 2 Address input 1. Connect directly to VCC or ground.
A2 3 Address input 2. Connect directly to VCC or ground.
INT0 4 Active-low interrupt input 0. Connect to VDPU0(1) through a pull-up resistor.
SD0 5 Serial data 0. Connect to VDPU0(1) through a pull-up resistor.
SC0 6 Serial clock 0. Connect to VDPU0(1) through a pull-up resistor.
INT1 7 Active-low interrupt input 1. Connect to VDPU1(1) through a pull-up resistor.
SD1 8 Serial data 1. Connect to VDPU1(1) through a pull-up resistor.
SC1 9 Serial clock 1. Connect to VDPU1(1) through a pull-up resistor.
GND 10 Ground
INT2 11 Active-low interrupt input 2. Connect to VDPU2(1) through a pull-up resistor.
SD2 12 Serial data 2. Connect to VDPU2(1) through a pull-up resistor.
SC2 13 Serial clock 2. Connect to VDPU2(1) through a pull-up resistor.
INT3 14 Active-low interrupt input 3. Connect to VDPU3(1) through a pull-up resistor.
SD3 15 Serial data 3. Connect to VDPU3(1) through a pull-up resistor.
SC3 16 Serial clock 3. Connect to VDPU3(1) through a pull-up resistor.
INT 17 Active-low interrupt output. Connect to VDPUM(1) through a pull-up resistor.
SCL 18 Serial clock line. Connect to VDPUM(1) through a pull-up resistor.
SDA 19 Serial data line. Connect to VDPUM(1) through a pull-up resistor.
VCC 20 Supply power
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the master I2C reference voltage while VDPU0 — VDPU3 are the slave channel reference voltages.