ZHCSSO5A July   2023  – October 2023 TPS7H2140-SEP

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
  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 Switching Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Pin Current and Voltage Conventions
      2. 8.3.2 Accurate Current Sense
      3. 8.3.3 Adjustable Current Limit
      4. 8.3.4 Inductive-Load Switching-Off Clamp
      5. 8.3.5 Fault Detection and Reporting
        1. 8.3.5.1 Diagnostic Enable Function
        2. 8.3.5.2 Multiplexing of Current Sense
        3. 8.3.5.3 Fault Table
        4. 8.3.5.4 FAULT Reporting
      6. 8.3.6 Full Diagnostics
        1. 8.3.6.1 Short-to-GND and Overload Detection
        2. 8.3.6.2 Open-Load Detection
          1. 8.3.6.2.1 Channel On
          2. 8.3.6.2.2 Channel Off
        3. 8.3.6.3 Short-to-Input Detection
        4. 8.3.6.4 Reverse Polarity Detection
        5. 8.3.6.5 Thermal Fault Detection
          1. 8.3.6.5.1 Thermal Shutdown
      7. 8.3.7 Full Protections
        1. 8.3.7.1 UVLO Protection
        2. 8.3.7.2 Loss-of-GND Protection
        3. 8.3.7.3 Protection for Loss of Power Supply
        4. 8.3.7.4 Reverse-Current Protection
        5. 8.3.7.5 MCU I/O Protection
      8. 8.3.8 Parallel Operation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Working Modes
  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
      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 Examples
        1. 9.4.2.1 Without a GND Network
        2. 9.4.2.2 With a GND Network
  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

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

9.2.3 Application Curves

Figure 9-2 shows a test example of soft-start when driving a big capacitive load. Figure 9-3 shows an expanded waveform of the output current.

GUID-20230917-SS0I-PHCV-B35B-PXC7QK7Z6SDB-low.svg
VIN = 12 V ENx = ↑ ICL = 1.35 A
ROUT1 = 20 Ω COUT1 = 2.201 mF CH1 = VEN1 = Blue
CH2 = VFAULT = Cyan CH3 = VOUT1 = Magenta CH4 = IOUT1 = Green
Figure 9-2 Driving a Capacitive Load With Adjustable Current Limit
GUID-20230917-SS0I-TZBG-4RDC-FJNP048WPZSF-low.svg
VIN = 12 V ENx = ↑ ICL = 1.35 A
ROUT1= 20 Ω COUT1 = 2.201 mF
CH1 = VEN1 = Blue CH4 = IOUT1 = Green
Figure 9-3 Driving a Capacitive Load, Expanded Waveform

Figure 9-4 shows a test example of PWM-mode driving. Figure 9-5 shows the expanded waveform of the rising edge. Figure 9-6 shows the expanded waveform of the falling edge.

GUID-20230917-SS0I-TFXZ-C3FN-MLHBLZFSB8C7-low.svg
VIN = 12 V EN1 = 200-Hz PWM with 50% duty-cycle ROUT1= 20 Ω
COUT1 = 1.1 μF CH1 = VEN1 = Blue CH2 = VCS = Cyan
CH3 = VOUT1 = Magenta CH4 = IOUT1 = Green
Figure 9-4 PWM Signal Driving
GUID-20230917-SS0I-MCR6-V3QW-NTZWSZ0SKRQG-low.svg
VIN = 12 V EN1 = 200-Hz PWM with 50% duty-cycle ROUT1= 20 Ω
COUT1 = 1.1 μF CH1 = VEN1 = Blue CH2 = VCS = Cyan
CH3 = VOUT1 = Magenta CH4 = IOUT1 = Green
Figure 9-6 Expanded Waveform of Falling Edge
GUID-20230917-SS0I-RBBL-TDNV-MJLJMKNNKKVX-low.svg
VIN = 12 V EN1 = 200-Hz PWM with 50% duty-cycle ROUT1 = 20 Ω
COUT1 = 1.1 μF CH1 = VEN1 = Blue CH2 = VCS = Cyan
CH3 = VOUT1 = Magenta CH4 = IOUT1 = Green
Figure 9-5 Expanded Waveform of Rising Edge
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