ZHCSJZ7B june   2019  – february 2023 TPS1HB35-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1. 6.1 Recommended Connections for Unused Pins
  7. 7 Specifications
    1. 7.1 Recommended Operating Conditions
    2. 7.2 Electrical Characteristics
    3. 7.3 Absolute Maximum Ratings
    4. 7.4 ESD Ratings
    5. 7.5 Thermal Information
    6. 7.6 SNS Timing Characteristics
    7. 7.7 Switching Characteristics
    8. 7.8 Typical 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 Protection Mechanisms
        1. 9.3.1.1 Thermal Shutdown
        2. 9.3.1.2 Current Limit
          1. 9.3.1.2.1 Current Limit Foldback
          2. 9.3.1.2.2 Programmable Current Limit
          3. 9.3.1.2.3 Undervoltage Lockout (UVLO)
          4. 9.3.1.2.4 VBB During Short-to-Ground
        3. 9.3.1.3 Voltage Transients
          1. 9.3.1.3.1 Load Dump
          2. 9.3.1.3.2 Driving Inductive Loads
        4. 9.3.1.4 Reverse Battery
        5. 9.3.1.5 Current Limit Behavior
        6. 9.3.1.6 Fault Event – Timing Diagrams
      2. 9.3.2 Diagnostic Mechanisms
        1. 9.3.2.1 VOUT Short-to-Battery and Open-Load
          1. 9.3.2.1.1 Detection With Switch Enabled
          2. 9.3.2.1.2 Detection With Switch Disabled
        2. 9.3.2.2 SNS Output
          1. 9.3.2.2.1 RSNS Value
            1. 9.3.2.2.1.1 High Accuracy Load Current Sense
            2. 9.3.2.2.1.2 SNS Output Filter
        3. 9.3.2.3 Fault Indication and SNS Mux
        4. 9.3.2.4 Resistor Sharing
        5. 9.3.2.5 High-Frequency, Low Duty-Cycle Current Sensing
    4. 9.4 Device Functional Modes
      1. 9.4.1 Off
      2. 9.4.2 Standby
      3. 9.4.3 Diagnostic
      4. 9.4.4 Standby Delay
      5. 9.4.5 Active
      6. 9.4.6 Fault
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Ground Protection Network
      2. 10.1.2 Interface With Microcontroller
      3. 10.1.3 I/O Protection
      4. 10.1.4 Inverse Current
      5. 10.1.5 Loss of GND
      6. 10.1.6 Automotive Standards
        1. 10.1.6.1 ISO7637-2
        2. 10.1.6.2 AEC-Q100-012 Short Circuit Reliability
      7. 10.1.7 Thermal Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Thermal Considerations
        2. 10.2.2.2 RILIM Calculation
        3. 10.2.2.3 Diagnostics
          1. 10.2.2.3.1 Selecting the RISNS Value
    3. 10.3 Typical Application
      1. 10.3.1 Design Requirements
      2. 10.3.2 Detailed Design Procedure
      3. 10.3.3 Application Curves
    4. 10.4 Power Supply Recommendations
    5. 10.5 Layout
      1. 10.5.1 Layout Guidelines
      2. 10.5.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

7.8 Typical Characteristics

GUID-7413F17E-0E13-4FFF-969C-EF4812FB2EBE-low.gifFigure 7-1 Transient Thermal Impedance
GUID-57D51299-3DF7-4FDE-8B23-41C5E9AD625B-low.gif
IOUT = 0 AVEN = 5 VVDIAG_EN = 5 V
RSNS = 1 kΩVSEL1 = 0 V
Figure 7-3 Quiescent Current (IQ) vs Temperature
GUID-1F161CA3-C676-428C-B7A6-6888AD576D54-low.gif
IOUT = 200 mAVEN = 5 VVDIAG_EN = 0 V
RSNS = 1 kΩ
Figure 7-5 On Resistance (RON) vs Temperature
GUID-1E45E1EC-63AC-4DE6-96CB-B170F7B5270C-low.gif
ROUT = 2.6 ΩVEN = 0 V to 5 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-7 Turn-On Delay Time (tDR) vs Temperature
GUID-709D6CC4-35E2-452B-89CF-9D8599074478-low.gif
ROUT = 2.6 ΩVEN = 0 V to 5 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-9 VOUT Slew Rate Rising (SRR) vs Temperature
GUID-F9327236-5740-4231-8B8D-6C4B5AEE5201-low.gif
ROUT = 2.6 ΩVEN = 0 V to 5 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-11 Turn-On Time (tON) vs Temperature
GUID-01BD1EE5-3ADE-4C47-A52F-31685664500F-low.gif
ROUT = 2.6 ΩVEN = 0 V to 5 V and 5 V to 0 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-13 Turn-On and Turn-Off Matching (tON - tOFF) vs Temperature
GUID-703A3750-6C61-4237-82C3-FC62B83B73F3-low.gif
VSEL = 0 VVEN = 5 VVDIAG_EN = 5 V
RSNS = 1 kΩTA = 25°C
Figure 7-15 Current Sense Output Current (ISNSI) vs Load Current (IOUT) Across VBB
GUID-CE58A553-A8F8-4BEB-BFE4-EEFAD9BD761D-low.gif
VSEL = 0 VVEN = 0 VVDIAG_EN = 5 V
RSNS = 500 ΩVOUT Floating
Figure 7-17 Fault High Output Current (ISNSFH) vs Temperature
GUID-442654F5-66DE-48FE-9D6F-9C9A84CD5D94-low.gif
VEN = 0 V to 3.3 VVOUT = 0 VVDIAG_EN = 0 V
ROUT = 1 kΩ
Figure 7-19 VIH vs Temperature
GUID-5CCCBBAE-E69F-429C-8AA1-C9B15F958075-low.gif
VEN = 0.8 VVOUT = 0 VVDIAG_EN = 0 V
ROUT = 1 kΩ
Figure 7-21 IIL vs Temperature
GUID-E77572FD-7196-4325-B161-02390753A4CA-low.png
ROUT = 2.6 ΩRSNS = 1 kΩVDIA_EN = 5 V
VSEL = 0 V
Figure 7-23 Turn-On Time (tON)
GUID-428FE62B-0465-43A8-9EC0-05416D578DEF-low.png
ROUT = 13 Ω to 2.6ΩRSNS = 1 kΩVSEL = 0 V
IOUT = 1 A to 5 AVBB = 13.5 V
Figure 7-25 ISNS Settling Time (tSNSION1) on Load Step
GUID-E1D152AE-CD51-41E6-9A3E-C578D024BC41-low.png
LOUT = 5 µH to GNDRLIM = 5 kΩVSEL = 0 V
VEN = 0 V to 5 VVDIAG_EN = 5 VTA = 25°C
Figure 7-27 Device Version A Short Circuit Event
GUID-DE9CD083-4944-4270-A8A7-DDF5D10BA571-low.png
LOUT = 5 µH to GNDRLIM = 8.25 kΩVSEL = 0 V
VEN = 0 V to 5 VVDIAG_EN = 5 VTA = 25°C
Figure 7-29 Device Version C Short Circuit Event
GUID-1E029C54-B801-44D1-BFAE-76FD0BA5E492-low.gif
VOUT = 0 VVEN = 0 VVDIAG_EN = 0 V
Figure 7-2 Standby Current (ISB) vs Temperature
GUID-85865FCE-31D5-4291-8E21-CE2F99012987-low.gif
IOUT = 0 AVEN = 0 VVDIAG_EN = 5 V
RSNS = 1 kΩVSEL1 = 0 V
Figure 7-4 Diag Enable Current (IDIA) vs Temperature
GUID-4D908C26-8736-41C6-AD51-61EC6AD91EC6-low.gif
IOUT = 200 mAVEN = 5 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-6 On Resistance (RON) vs VBB
GUID-AB864EED-7308-410D-AC5F-79C6E416C707-low.gif
ROUT = 2.6 ΩVEN = 5 V to 0 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-8 Turn-Off Delay Time (tDF) vs Temperature
GUID-6888A985-11F5-480F-ACA6-2C0BAA4D5A96-low.gif
ROUT = 2.6 ΩVEN = 5 V to 0 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-10 VOUT Slew Rate Falling (SRF) vs Temperature
GUID-24E2A7F4-D7A7-4BDF-8E97-8B7F06C65691-low.gif
ROUT = 2.6 ΩVEN = 5 V to 0 VVDIAG_EN = 0 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-12 Turn-Off Time (tOFF) vs Temperature
GUID-1DE26F74-DF5E-4C5E-AF83-59D4C9C8312C-low.gif
VSEL = 0 VVEN = 5 VVDIAG_EN = 5 V
RSNS = 1 kΩVBB = 13.5 V
Figure 7-14 Current Sense Output Current (ISNSI ) vs Load Current (IOUT) Across Temperature
GUID-0791CE04-8942-4855-90FE-C65DD8467A48-low.gif
VSEL = 5 VVEN = 0 VVDIAG_EN = 5 V
RSNS = 1 kΩ
Figure 7-16 Temperature Sense Output Current (ISNST) vs Temperature
GUID-8B2292DA-91AC-42B2-80B6-0330F94667C8-low.gif
VEN = 3.3 V to 0 VVOUT = 0 VVDIAG_EN = 0 V
ROUT = 1 kΩ
Figure 7-18 VIL vs Temperature
GUID-1889B2B5-775F-4404-A765-ADB570D7727E-low.gif
VEN = 0 V to 3.3 V and 3.3 V to 0 VVOUT = 0 VVDIAG_EN = 0 V
ROUT = 1 kΩ
Figure 7-20 VHYST vs Temperature
GUID-12606B13-D858-442F-A4AF-5781F83976CB-low.gif
VEN = 5 VVOUT = 13.5 VVDIAG_EN = 0 V
ROUT = 1 kΩ
Figure 7-22 IIH vs Temperature
GUID-602E5A61-986A-4D13-83D2-643B5AED1B8C-low.png
ROUT = 2.6 ΩRSNS = 1 kΩVDIA_EN = 5 V
VSEL = 0 V
Figure 7-24 Turn-Off Time (tOFF)
GUID-82635428-6DD6-4FAC-B109-78A9D3CD9622-low.png
VBB = 13.5 VTA = 25°CIOUT = 5 A
VEN = 0 V to 5 V
Figure 7-26 SNS Output Current Measurement Enable on DIAG_EN PWM
GUID-F5AA7284-9C0A-44BD-ABAF-7D281B096992-low.png
LOUT = 5 µH to GNDRLIM = 5 kΩVSEL = 0 V
VEN = 0 V to 5 VVDIAG_EN = 5 VTA = 25°C
Figure 7-28 Device Version B Short Circuit Event
GUID-A2883127-0797-40AC-8F93-0ABBE6B65E74-low.png
VBB = 13.5 V TA = 25°C LOUT = 5 mH
Figure 7-30 5-mH Inductive Load Demagnetization
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