SLVSJS0 December   2025 TMP4719-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 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
    7. 6.7 Timing Diagrams
    8. 6.8 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Device Initialization and Default Temperature Conversion
      2. 7.3.2 Series Resistance Cancellation
      3. 7.3.3 ALERT and T_CRIT Output
      4. 7.3.4 1.2V Logic Compatible Inputs
      5. 7.3.5 Digital Filter
      6. 7.3.6 One-Shot Conversions
    4. 7.4 Device Functional Modes
      1. 7.4.1 Interrupt and Comparator Mode
        1. 7.4.1.1 Interrupt Mode
        2. 7.4.1.2 Comparator Mode
        3. 7.4.1.3 T_CRIT Output
      2. 7.4.2 Shutdown Mode
      3. 7.4.3 Continuous Conversion Mode
    5. 7.5 Programming
      1. 7.5.1 Temperature Data Format
      2. 7.5.2 I2C and SMBus Interface
      3. 7.5.3 Serial Bus Address
      4. 7.5.4 Bus Transactions
        1. 7.5.4.1 Writes
        2. 7.5.4.2 Reads
      5. 7.5.5 SMBus Alert Mode
  9. 8 Register Map
  10. 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 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

9.2.1 Design Requirements

In this design example, the requirement is to design a temperature monitoring system using the TMP4719-Q1 with the MMBT3904 as the bipolar sensing transistor. The high temperature limit requirement for this example is 88°C. Table 9-1 lists the design parameters for this application.

Table 9-1 Design Parameters
PARAMETERVALUE

Supply

3.3V

I/O Pullup Voltage

1.2V

Temperature High Limit Requirement

88°C

Bipolar Transistor

MMBT3904

(NTE Electronics, Inc)