SLVSH72A December   2023  – September 2024 TPS281C100

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Options
  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 SNS Timing Characteristics
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
    4. 8.4 Working Mode
    5. 8.5 Feature Description
      1. 8.5.1 Accurate Current Sense
        1. 8.5.1.1 High Accuracy Sense Mode
      2. 8.5.2 Programmable Current Limit
        1. 8.5.2.1 Short-Circuit and Overload Protection
        2. 8.5.2.2 Capacitive Charging
      3. 8.5.3 Inductive-Load Switching-Off Clamp
      4. 8.5.4 Inductive Load Demagnetization
      5. 8.5.5 Full Protections and Diagnostics
        1. 8.5.5.1 Open-Load Detection
        2. 8.5.5.2 Thermal Protection Behavior
        3. 8.5.5.3 Undervoltage Lockout (UVLO) Protection
        4. 8.5.5.4 Reverse Polarity Protection
        5. 8.5.5.5 Protection for MCU I/Os
        6. 8.5.5.6 Diagnostic Enable Function
        7. 8.5.5.7 Loss of Ground
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 IEC 61000-4-4 EFT
        2. 9.2.1.2 IEC 61000-4-5 Surge
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Selecting RILIM
        2. 9.2.2.2 Selecting RSNS
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
        1. 9.4.1.1 EMC Considerations
      2. 9.4.2 Layout Example
        1. 9.4.2.1 PWP Layout Without a GND Network
        2. 9.4.2.2 PWP Layout With a GND Network
        3. 9.4.2.3 DNT Layout Without a GND Network
      3. 9.4.3 Thermal Considerations
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DNT|12
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.8 Typical Characteristics

TPS281C100 On-Resistance (RON) vs Temperature vs VS Supply Voltage
Figure 6-1 On-Resistance (RON) vs Temperature vs VS Supply Voltage
TPS281C100 Idle State Current (IIDLE, VS) From VS Input Supply vs Temperature vs VS Voltage
VEN = 0 VVDIAG_EN = 0 V
Figure 6-3 Idle State Current (IIDLE, VS) From VS Input Supply vs Temperature vs VS Voltage
TPS281C100 Turn-off Delay Time (tDF) vs Temperature vs VS Voltage
 
Figure 6-5 Turn-off Delay Time (tDF) vs Temperature vs VS Voltage
TPS281C100 Turn-off Time (tOFF) vs Temperature vs VS Voltage
 
Figure 6-7 Turn-off Time (tOFF) vs Temperature vs VS Voltage
TPS281C100 Current Sense Ratio (KSNS2) vs Temperature vs Load Current
VS = 24 V 
Figure 6-9 Current Sense Ratio (KSNS2) vs Temperature vs Load Current
TPS281C100 Quiescent Current (IQ, VS) From VS Input Supply vs Temperature vs VS Voltage
VEN = 5 VVDIAG_EN = 0 V
Figure 6-2 Quiescent Current (IQ, VS) From VS Input Supply vs Temperature vs VS Voltage
TPS281C100 Turn-on Delay Time (tDR) vs Temperature vs VS Voltage
 
Figure 6-4 Turn-on Delay Time (tDR) vs Temperature vs VS Voltage
TPS281C100 Turn-on Time (tON) vs Temperature vs VS Voltage
 
Figure 6-6 Turn-on Time (tON) vs Temperature vs VS Voltage
TPS281C100 Current Sense Ratio (KSNS) vs Temperature vs Load Current
VS = 24 V  
Figure 6-8 Current Sense Ratio (KSNS) vs Temperature vs Load Current
TPS281C100 Current Limit Ratio (KCL) vs Temperature vs RILIM
VS = 24 V 
Figure 6-10 Current Limit Ratio (KCL) vs Temperature vs RILIM