JAJSN24A November   2021  – June 2022 TPS22953-Q1 , TPS22954-Q1

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3.     Recommended Operating Conditions
    4. 7.3  Thermal Information
    5. 7.4  Electrical Characteristics
    6. 7.5  Electrical Characteristics – VBIAS = 5 V
    7. 7.6  Electrical Characteristics – VBIAS = 3.3 V
    8. 7.7  Electrical Characteristics – VBIAS = 2.5 V
    9. 7.8  Switching Characteristics – CT = 1000 pF
    10. 7.9  Switching Characteristics – CT = 0 pF
    11. 7.10 Typical DC Characteristics
    12. 7.11 Typical Switching Characteristics
  8. Parameter Measurement Information
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  On and Off Control (EN Pin)
      2. 9.3.2  Voltage Monitoring (SNS Pin)
      3. 9.3.3  Power Good (PG Pin)
      4. 9.3.4  Supervisor Fault Detection and Automatic Restart
      5. 9.3.5  Manual Restart
      6. 9.3.6  Thermal Shutdown
      7. 9.3.7  Reverse Current Blocking (TPS22953-Q1 Only)
      8. 9.3.8  Quick Output Discharge (QOD) (TPS22954-Q1 Only)
      9. 9.3.9  VIN and VBIAS Voltage Range
      10. 9.3.10 Adjustable Rise Time (CT Pin)
      11. 9.3.11 Power Sequencing
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Input to Output Voltage Drop
      2. 10.1.2 Thermal Considerations
      3. 10.1.3 Automatic Power Sequencing
      4. 10.1.4 Monitoring a Downstream Voltage
      5. 10.1.5 Monitoring the Input Voltage
      6. 10.1.6 Break-Before-Make Power MUX (TPS22953-Q1 Only)
      7. 10.1.7 Make-Before-Break Power MUX (TPS22953-Q1 Only)
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Inrush Current
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 サポート・リソース
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Overview

The TPS2295x-Q1 are 5.7-V, 5-A load switches in 10-pin SON packages. To reduce voltage drop for low voltage, high current rails the device implements a low-resistance N-channel MOSFET, which reduces the drop out voltage through the device at high currents. The integrated adjustable Undervoltage Lockout (UVLO) and adjustable Power Good (PG) threshold provides voltage monitoring as well as robust power sequencing.

The adjustable rise-time control of the device greatly reduces inrush current for a wide variety of bulk load capacitances, thereby reducing or eliminating power supply droop. The switch is independently controlled by an on and off input (EN), which is capable of interfacing directly with low-voltage control signals. A 15-Ω, on-chip load resistor integrates into the device for output quick discharge when the switch turns off.

During shutdown, the device has very low leakage currents, thereby reducing unnecessary leakages for downstream modules during standby. Integrated power monitoring functionality, control logic, driver, power supply, and output discharge FET eliminates the need for any external components, which reduces solution size and BOM count.