SLVSCX7A February   2015  – March 2015 TPS22958

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics (VBIAS = 5 V)
    6. 7.6  Electrical Characteristics (VBIAS = 3.3 V)
    7. 7.7  Electrical Characteristics (VBIAS = 2.5 V)
    8. 7.8  Switching Characteristics
    9. 7.9  Typical DC Characteristics
    10. 7.10 Typical AC Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 ON/OFF Control
      2. 9.3.2 Quick Output Discharge (QOD)
      3. 9.3.3 VIN and VBIAS Voltage Range
      4. 9.3.4 Adjustable Rise Time
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Input Capacitor (Optional)
      2. 10.1.2 Output Capacitor (Optional)
      3. 10.1.3 Power Supply Sequencing Without a GPIO Input
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 VIN to VOUT Voltage Drop
        2. 10.2.2.2 Inrush Current
        3. 10.2.2.3 Thermal Considerations
      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 Related Links
    2. 13.2 Trademarks
    3. 13.3 Electrostatic Discharge Caution
    4. 13.4 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • Integrated N-Channel Load Switch
  • Input Voltage Range: 0.6 V to 5.5 V
  • VBIAS Voltage Range: 2.5 V to 5.5 V
  • RON Resistance
    • RON = 14 mΩ at VIN = 5 V (VBIAS = 5 V)
    • RON = 13 mΩ at VIN = 3.3 V (VBIAS = 5 V)
    • RON = 13 mΩ at VIN = 1.8 V (VBIAS = 5 V)
  • 4 A Maximum Continuous Switch Current (DGK Package)
  • 6 A Maximum Continuous Switch Current (DGN Package)
  • Low Quiescent Current
    • 55 µA at VBIAS = 5 V
  • Low Control Input Threshold Enables Use of
    1.2 V/1.8 V/2.5 V/3.3 V Logic
  • Adjustable Rise Time(1)
  • Quick Output Discharge (QOD)(2)
  • DGK 8-Pin Package:
    • 3.0 mm x 4.9 mm x 1.1 mm and 0.65 mm pitch
  • DGN 8-Pin Package with Thermal Pad:
    • 3.0 mm x 4.9 mm x 1.1 mm and 0.65 mm pitch
  • ESD Performance Tested per JEDEC STD.
    • 2-kV HBM and 1-kV CDM
  • Latch-Up Performance Exceeds 100 mA per JESD 78, Class II
  • GPIO Enable – Active High (1)(2)
(1) See Adjustable Rise Time section for CT value vs. rise time
(2) Not featured in the TPS22958N device.

2 Applications

  • EPOS
  • Factory Automation/Control
  • Building Automation
  • Printers
  • Wave Soldering Manufacturing

3 Description

The TPS22958x is a small, single channel load switch with an adjustable rise time. The device contains an N-Channel MOSFET that can operate over an input voltage range of 0.6 V to 5.5 V and can support a maximum continuous current of 4 A (DGK package) or 6 A (DGN package). The switch is controlled by an on/off input, which is capable of interfacing directly with low voltage control signals.

The rise time of the device can be externally controlled in order to avoid inrush current. Attaching a capacitor to the CT pin will change the rise time: increasing the value of the capacitor will increase the rise time. The TPS22958x is available in two space-saving packages (DGK and DGN) with or without a thermal pad for high power dissipation. The device is characterized for operation over the free-air temperature range of -40°C to 105°C.

Device Information(1)

PART NUMBER PACKAGE (PIN) BODY SIZE (NOM)
TPS22958x DGK (8) 3.00 mm × 4.90 mm
DGN (8) 3.00 mm × 4.90 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Typical Application Schematic

TPS22958 TPS22958N TPS22958 Typical Application.png