SNVSCN9 September   2024 TPS3423 , TPS3424

ADVANCE INFORMATION  

  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 (Industrial)
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Timing Diagrams
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Inputs
        1. 7.3.1.1 Push-Button Input (PB)
        2. 7.3.1.2 Push-Button Timing Programmability
        3. 7.3.1.3 KILL
      2. 7.3.2 Outputs
        1. 7.3.2.1 Interrupt (INT)
        2. 7.3.2.2 RESET / RESET
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Power Button Control with TPS3424
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 High Voltage Connection
    3. 8.3 Power Supply Recommendations
    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 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

3 Description

TPS3423 and TPS3424 are push-button controllers which offer wide range of independent short press and long press functionality. These devices offer up to two outputs per push-button (RESET and INT), which can be used for various use cases including enabling the voltage regulator or circuit breakers, sending an interrupt to micro controller and generating logic. The device generates an interrupt pulse both for short press and long press notifying the micro controller. RESET output changes the state based on the device configuration.

By controlling the power tree running off the battery, TPS3423/4 extends battery life and prolongs device shelf life. This feature is also known as battery freshness seal.

TPS3423/4 are offered in fixed timing options for short and long press durations. To provide flexibility to the designer, TPS3424 also offers user-programmable short and long press durations through an external capacitor. Kill pin in TPS3424 enables feedback from the microcontroller to asynchronously de-assert RESET.

Device Information
PART NUMBERPACKAGE (1)PACKAGE SIZE (3)
TPS3423 DRL (SOT-5X3) 2.10mm × 1.60mm
DRL (SOT-5X3) (2) 1.60mm × 1.20mm
TPS3424 DRL (SOT-5X3) 2.10mm × 1.60mm
DRL (SOT-5X3) (2) 1.60mm × 1.20mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
(2) Preview package
(3) The package size (length × width) is a nominal value and includes pins, where applicable
TPS3423 TPS3424 TPS3424 Typical Application DiagramTPS3424 Typical Application Diagram
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