SCPS207H May   2012  – September 2024 TCA9548A

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
    4. 7.4 Device Functional Modes
      1. 7.4.1 RESET Input
      2. 7.4.2 Power-On Reset
    5. 7.5 Programming
      1. 7.5.1 I2C Interface
      2. 7.5.2 Device Address
      3. 7.5.3 Bus Transactions
        1. 7.5.3.1 Writes
        2. 7.5.3.2 Reads
      4. 7.5.4 Control Register
      5. 7.5.5 RESET Input
      6. 7.5.6 Power-On Reset
  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
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-On Reset Requirements
    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

Package Options

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

4 Pin Configuration and Functions

TCA9548A PW, DGS Package, 24-Pin TSSOP, VSSOP (Top View)Figure 4-1 PW, DGS Package, 24-Pin TSSOP, VSSOP (Top View)
TCA9548A RGE Package, 24-Pin VQFN (Top View)Figure 4-2 RGE Package, 24-Pin VQFN (Top View)
Table 4-1 Pin Functions
PINTYPEDESCRIPTION
NAMETSSOP, VSSOP (PW, DGS)VQFN (RGE)
A0122IAddress input 0. Connect directly to VCC or ground
A1223IAddress input 1. Connect directly to VCC or ground
A22118IAddress input 2. Connect directly to VCC or ground
GND129—Ground
RESET324IActive-low reset input. Connect to VCC or VDPUM (1) through a pull-up resistor, if not used
SD041I/OSerial data 0. Connect to VDPU0 (1) through a pull-up resistor
SC052I/OSerial clock 0. Connect to VDPU0 (1) through a pull-up resistor
SD163I/OSerial data 1. Connect to VDPU1 (1) through a pull-up resistor
SC174I/OSerial clock 1. Connect to VDPU1 (1) through a pull-up resistor
SD285I/OSerial data 2. Connect to VDPU2 (1) through a pull-up resistor
SC296I/OSerial clock 2. Connect to VDPU2 (1) through a pull-up resistor
SD3107I/OSerial data 3. Connect to VDPU3 (1) through a pull-up resistor
SC3118I/OSerial clock 3. Connect to VDPU3 (1) through a pull-up resistor
SD41310I/OSerial data 4. Connect to VDPU4 (1) through a pull-up resistor
SC41411I/OSerial clock 4. Connect to VDPU4 (1) through a pull-up resistor
SD51512I/OSerial data 5. Connect to VDPU5 (1) through a pull-up resistor
SC51613I/OSerial clock 5. Connect to VDPU5 (1) through a pull-up resistor
SD61714I/OSerial data 6. Connect to VDPU6 (1) through a pull-up resistor
SC61815I/OSerial clock 6. Connect to VDPU6 (1) through a pull-up resistor
SD71916I/OSerial data 7. Connect to VDPU7 (1) through a pull-up resistor
SC72017I/OSerial clock 7. Connect to VDPU7(1) through a pull-up resistor
SCL2219I/OSerial clock bus. Connect to VDPUM (1) through a pull-up resistor
SDA2320I/OSerial data bus. Connect to VDPUM (1) through a pull-up resistor
VCC2421PowerSupply voltage
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the controller I2C reference voltage and VDPU0-VDPU7 are the target channel reference voltages.