SCPS234A September   2016  – February 2023 TCA6408A-Q1

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 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 Reset Timing Requirements
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Voltage Translation
      2. 8.3.2 I/O Port
      3. 8.3.3 Interrupt Output ( INT)
      4. 8.3.4 Reset Input ( RESET)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-On Reset (POR)
      2. 8.4.2 Powered-Up
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
      2. 8.5.2 Bus Transactions
        1. 8.5.2.1 Writes
        2. 8.5.2.2 Reads
    6. 8.6 Register Map
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register and Command Byte
      3. 8.6.3 Register Descriptions
  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/O is Used to Control LEDs
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 Power-On Reset Requirements
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Trademarks
    3. 10.3 Electrostatic Discharge Caution
    4. 10.4 Glossary
  11. 11Support Resources
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

Figure 5-1 PW Package, 16-Pin TSSOP
(Top View)
Table 5-1 Pin Functions
PINI/ODESCRIPTION
NAMENO.
ADDR2IAddress input. Connect directly to VCCP or ground
GND8—Ground
INT13OInterrupt output. Connect to VCCI through a pull-up resistor
P04I/OP-port input-output (push-pull design structure).
At power on, P0 is configured as an input
P15I/OP-port input-output (push-pull design structure).
At power on, P1 is configured as an input
P26I/OP-port input-output (push-pull design structure).
At power on, P2 is configured as an input
P37I/OP-port input-output (push-pull design structure).
At power on, P3 is configured as an input
P49I/OP-port input-output (push-pull design structure).
At power on, P4 is configured as an input
P510I/OP-port input-output (push-pull design structure).
At power on, P5 is configured as an input
P611I/OP-port input-output (push-pull design structure).
At power on, P6 is configured as an input
P712I/OP-port input-output (push-pull design structure).
At power on, P7 is configured as an input
RESET3IActive-low reset input. Connect to VCCI through a pull-up resistor, if no active connection is used
SCL14ISerial clock bus. Connect to VCCI through a pull-up resistor
SDA15I/OSerial data bus. Connect to VCCI through a pull-up resistor
VCCI1—Supply voltage of I2C bus. Connect directly to the VCC of the external I2C controller. Provides voltage level translation
VCCP16—Supply voltage of TCA6408A-Q1 for P-ports