SLVSHZ1 June   2024 TPS1HTC100-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1. 4.1 Recommended Connections for Unused Pins
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 SNS Timing Characteristics
    7. 5.7 Switching Characteristics
    8. 5.8 Timing Diagrams
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Accurate Current Sense
      2. 7.3.2 Programmable Current Limit
        1. 7.3.2.1 Capacitive Charging
      3. 7.3.3 Inductive-Load Switching-Off Clamp
      4. 7.3.4 Full Protections and Diagnostics
        1. 7.3.4.1 Short-Circuit and Overload Protection
        2. 7.3.4.2 Open-Load Detection
        3. 7.3.4.3 Thermal Protection Behavior
        4. 7.3.4.4 UVLO Protection
        5. 7.3.4.5 Reverse Polarity Protection
        6. 7.3.4.6 Protection for MCU I/Os
      5. 7.3.5 Diagnostic Enable Function
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Dynamically Changing Current Limit
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
        1. 8.4.2.1 Without a GND Network
        2. 8.4.2.2 With a GND Network
        3. 8.4.2.3 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

5.7 Switching Characteristics

VS = 48V,  RL = 120Ω, TA = –40°C to 125°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
tDR Turn-on delay time (from standby) 50% of EN to 20% of VOUT 28 55 70 µs
Turn-on delay time (from active, diagnostic, or standby delay) 20 47 65 µs
tDF Turn-off delay time 50% of EN to 80% of VOUT 20 65 98 µs
SRR VOUT rising slew rate 20% to 80% of VOUT 0.1 0.47 0.7 V/µs
SRF VOUT falling slew rate 80% to 20% of VOUT 0.1 0.56 0.82 V/µs
tON Turn-on time (from standby) 50% of EN to 80% of VOUT 120 200 µs
tOFF Turnoff time 50% of EN to 20% of VOUT 117 200 µs
tON - tOFF Turn-on and off matching 1ms ON time switch enable pulse –25 70 µs
tON_pw Minimum VOUT ON pulse width 200µs ON  time switch enable pulse, VOUT @90% of VS, F = fmax 60 134 µs
tOFF_pw Minimum VOUT OFF pulse width 200µs OFF time switch enable pulse, VOUT @20% of VS, F = fmax 82 130 175 µs
ΔPWM PWM accuracy - average load current 200µs enable pulse,  
F = fmax		 –15 15 %