ZHCSP56 September   2023 TPS1HTC30-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
    1. 5.1 Recommended Connections for Unused Pins
  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 Timing Diagrams
    9. 6.9 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 功能方框图
    3. 8.3 Feature Description
      1. 8.3.1 Accurate Current Sense
      2. 8.3.2 Programmable Current Limit
        1. 8.3.2.1 Capacitive Charging
      3. 8.3.3 Inductive-Load Switching-Off Clamp
      4. 8.3.4 Inductive Load Demagnetization
      5. 8.3.5 Full Protections and Diagnostics
        1. 8.3.5.1 Short-Circuit and Overload Protection
        2. 8.3.5.2 Open-Load Detection
        3. 8.3.5.3 Thermal Protection Behavior
        4. 8.3.5.4 Overvoltage (OVP) Protection
        5. 8.3.5.5 UVLO Protection
        6. 8.3.5.6 Reverse Polarity Protection
        7. 8.3.5.7 Protection for MCU I/Os
      6. 8.3.6 Diagnostic Enable Function
    4. 8.4 Device Functional Modes
      1. 8.4.1 Working Mode
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Dynamically Changing Current Limit
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
        1. 9.4.2.1 Without a GND Network
        2. 9.4.2.2 With a GND Network
        3. 9.4.2.3 Thermal Considerations
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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6.6 SNS Timing Characteristics

VBB = 6 V to 60 V, TA = -40°C to 125°C (unless otherwise noted), parameters not tested in production
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SNS TIMING - CURRENT SENSE
tSNSION1 Settling time from rising edge of DIAG_EN
50% of VDIA_EN to 90% of settled ISNS		 VEN= 5 V, VDIAG_EN = 0 V to 5 V
RSNS = 1 kΩ, IL = 1A		 30 µs
tSNSION1 Settling time from rising edge of DIAG_EN
50% of VDIA_EN to 90% of settled ISNS		 VEN = 5 V, VDIAG_EN = 0 V to 5 V
RSNS = 1 kΩ, IL = 30 mA		 60 µs
tSNSION2 Settling time from rising edge of EN and DIAG_EN
50% of VDIA_EN VEN to 90% of settled ISNS		 VEN = VDIAG_EN = 0 V to 5 V
RSNS = 1 kΩ, IL = 1 A		 200 µs
tSNSION3 Settling time from rising edge of EN with DIAG_EN HI;
50% of VDIA_EN VEN to 90% of settled ISNS		 VEN = 0 V to 5 V, VDIAG_EN = 5 V
RSNS = 1 kΩ, IL = 1 A		 200 µs
tSNSIOFF Settling time from falling edge of DIAG_EN VEN = 5 V, VDIAG_EN = 5 V to 0 V
RSNS = 1 kΩ, RL = 125 Ω		 20 µs
tSETTLEH Settling time from rising edge of load step VEN = 5 V, VDIAG_EN = 5 V
RSNS = 1 kΩ, IOUT = 0.5 A to 3 A		 20 µs
tSETTLEL Settling time from falling edge of load step VEN = 5 V, VDIAG_EN = 5 V
RSNS = 1 kΩ, IOUT = 3 A to 0.5 A		 20 µs