ZHCSHQ7B February   2018  – April 2024 UCC21222-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings (Automotive)
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Power Ratings
    6. 5.6  Insulation Specifications
    7. 5.7  Safety Limiting Values
    8. 5.8  Electrical Characteristics
    9. 5.9  Switching Characteristics
    10. 5.10 Insulation Characteristics Curves
    11. 5.11 Typical Characteristics
  7. 6 Parameter Measurement Information
    1. 6.1 Minimum Pulses
    2. 6.2 Propagation Delay and Pulse Width Distortion
    3. 6.3 Rising and Falling Time
    4. 6.4 Input and Disable Response Time
    5. 6.5 Programmable Dead Time
    6. 6.6 Power-Up UVLO Delay to OUTPUT
    7. 6.7 CMTI Testing
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 VDD, VCCI, and Undervoltage Lock Out (UVLO)
      2. 7.3.2 Input and Output Logic Table
      3. 7.3.3 Input Stage
      4. 7.3.4 Output Stage
      5. 7.3.5 Diode Structure in the UCC21222-Q1
    4. 7.4 Device Functional Modes
      1. 7.4.1 Disable Pin
      2. 7.4.2 Programmable Dead Time (DT) Pin
        1. 7.4.2.1 DT Pin Tied to VCCI or DT Pin Left Open
        2. 7.4.2.2 Connecting a Programming Resistor between DT and GND Pins
  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 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Designing INA/INB Input Filter
        3. 8.2.2.3 Select Dead Time Resistor and Capacitor
        4. 8.2.2.4 Select External Bootstrap Diode and its Series Resistor
        5. 8.2.2.5 Gate Driver Output Resistor
        6. 8.2.2.6 Estimating Gate Driver Power Loss
        7. 8.2.2.7 Estimating Junction Temperature
        8. 8.2.2.8 Selecting VCCI, VDDA/B Capacitor
          1. 8.2.2.8.1 Selecting a VCCI Capacitor
          2. 8.2.2.8.2 Selecting a VDDA (Bootstrap) Capacitor
          3. 8.2.2.8.3 Select a VDDB Capacitor
        9. 8.2.2.9 Application Circuits with Output Stage Negative Bias
      3. 8.2.3 Application Curves
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Component Placement Considerations
      2. 10.1.2 Grounding Considerations
      3. 10.1.3 High-Voltage Considerations
      4. 10.1.4 Thermal Considerations
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 静电放电警告
    7. 11.7 术语表
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

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6.2 Propagation Delay and Pulse Width Distortion

Figure 6-3 shows calculation of pulse width distortion (tPWD) and delay matching (tDM) from the propagation delays of channels A and B. To measure delay matching, both inputs must be in phase, and the DT pin must be shorted to VCCI to enable output overlap.

GUID-2272B557-823E-4F55-ABF3-063814FD7331-low.gifFigure 6-3 Delay Matching and Pulse Width Distortion
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