ZHCSMR1C october   2019  – september 2021 UCC5870-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Electrical Characteristics
    8. 6.8  SPI Timing Requirements
    9. 6.9  Switching Characteristics
    10. 6.10 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power Supplies
        1. 7.3.1.1 VCC1
        2. 7.3.1.2 VCC2
        3. 7.3.1.3 VEE2
        4. 7.3.1.4 VREG1
        5. 7.3.1.5 VREG2
        6. 7.3.1.6 VREF
        7. 7.3.1.7 Other Internal Rails
      2. 7.3.2 Driver Stage
      3. 7.3.3 Integrated ADC for Front-End Analog (FEA) Signal Processing
        1. 7.3.3.1 AI* Setup
        2. 7.3.3.2 ADC Setup and Sampling Modes
          1. 7.3.3.2.1 Center Sampling Mode
          2. 7.3.3.2.2 Edge Sampling Mode
          3. 7.3.3.2.3 Hybrid Mode
        3. 7.3.3.3 DOUT Functionality
      4. 7.3.4 Fault and Warning Classification
      5. 7.3.5 Diagnostic Features
        1. 7.3.5.1  Undervoltage Lockout (UVLO) and Overvoltage Lockout (OVLO)
          1. 7.3.5.1.1 Built-In Self Test (BIST)
            1. 7.3.5.1.1.1 Analog Built-In Self Test (ABIST)
            2. 7.3.5.1.1.2 Function BIST
            3. 7.3.5.1.1.3 Clock Monitor
              1. 7.3.5.1.1.3.1 Clock Monitor Built-In Self Test
        2. 7.3.5.2  CLAMP, OUTH, and OUTL Clamping Circuits
        3. 7.3.5.3  Active Miller Clamp
        4. 7.3.5.4  DESAT based Short Circuit Protection (DESAT)
        5. 7.3.5.5  Shunt Resistor based Overcurrent Protection (OCP) and Short Circuit Protection (SCP)
        6. 7.3.5.6  Temperature Monitoring and Protection for the Power Transistors
        7. 7.3.5.7  Active High Voltage Clamping (VCECLP)
        8. 7.3.5.8  Two-Level Turn-Off
        9. 7.3.5.9  Soft Turn-Off (STO)
        10. 7.3.5.10 Thermal Shutdown (TSD) and Temperature Warning (TWN) of Driver IC
        11. 7.3.5.11 Active Short Circuit Support (ASC)
        12. 7.3.5.12 Shoot-Through Protection (STP)
        13. 7.3.5.13 Gate Voltage Monitoring and Status Feedback
        14. 7.3.5.14 VGTH Monitor
        15. 7.3.5.15 Cyclic Redundancy Check (CRC)
          1. 7.3.5.15.1 Calculating CRC
        16. 7.3.5.16 Configuration Data CRC
        17. 7.3.5.17 SPI Transfer Write/Read CRC
          1. 7.3.5.17.1 SDI CRC Check
          2. 7.3.5.17.2 SDO CRC Check
        18. 7.3.5.18 TRIM CRC Check
    4. 7.4 Device Functional Modes
      1. 7.4.1 State 1: RESET
      2. 7.4.2 State 2: Configuration 1
      3. 7.4.3 State 3: Configuration 2
      4. 7.4.4 State 4: Active
    5. 7.5 Programming
      1. 7.5.1 SPI Communication
        1. 7.5.1.1 System Configuration of SPI Communication
          1. 7.5.1.1.1 Independent Slave Configuration
          2. 7.5.1.1.2 Daisy Chain Configuration
          3. 7.5.1.1.3 Address-based Configuration
        2. 7.5.1.2 SPI Data Frame
          1. 7.5.1.2.1 Writing a Register
          2. 7.5.1.2.2 Reading a Register
    6. 7.6 Register Maps
      1. 7.6.1 UCC5870 Registers
  8. 8 Applications and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Power Dissipation Considerations
      2. 8.1.2 Device Addressing
    2. 8.2 Typical Application Using Internal ADC Reference and Power FET Sense Current Monitoring
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 VCC1, VCC2, and VEE2 Bypass Capacitors
        2. 8.2.2.2 VREF, VREG1, and VREG2 Bypass Capacitors
        3. 8.2.2.3 Bootstrap Capacitor (VBST)
        4. 8.2.2.4 VCECLP Input
        5. 8.2.2.5 External CLAMP Output
        6. 8.2.2.6 AI* Inputs
        7. 8.2.2.7 OUTH/ OUTL Outputs
        8. 8.2.2.8 nFLT* Outputs
      3. 8.2.3 Application Curves
    3. 8.3 Typical Application Using DESAT Power FET Monitoring
      1. 8.3.1 Detailed Design Procedure
        1. 8.3.1.1 DESAT Input
      2. 8.3.2 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 VCC1 Power Supply
    2. 9.2 VCC2 Power Supply
    3. 9.3 VEE2 Power Supply
    4. 9.4 VREF Supply (Optional)
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Component Placement
      2. 10.1.2 Grounding Considerations
      3. 10.1.3 High-Voltage Considerations
      4. 10.1.4 Thermal Considerations
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    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

7.3.3.2 ADC Setup and Sampling Modes

The ADC is enabled/disabled with SPI communication to CFG7[ADC[ADC_EN] (CFG7). The 6 AI inputs as well as the die junction temperature are selectable to measure with the ADC. Additionally, the channels are selectable as to when it is samples with respect to the INP switching cycle. Use the ADCCFG[ADC_ON_CH_SEL_*] bits (ADCCFG) to select the channels to be measured while INP is high. The sampling order for the PWM ON cycle round robin is: AI1, AI3, AI5, AI2, AI4, AI6, Die Temp. Use the ADCCFG[ADC_OFF_CH_SEL_*] bits () to select the channels to be measured while INP is low. Use the CFG7[ADC_SAMP_MODE] bits (ADCCFG) to select one of 3 sampling modes for the ADC. Three modes are available to ensure the least amount of switching noise in the measurement. The three modes are Center Aligned mode (CFG7[ADC_SAMP_MODE]=0b00), where each selected channel is sampled in the center of the ON/OFF time of the INP input (depending on the setting), Edge Mode (CFG7[ADC_SAMP_MODE] = 0b01), where the ADC conversions begin after rising or falling edge (depending on the setting), and Hybrid mode (CFG7[ADC_SAMP_MODE] = 0b10), which is a combination of both modes. The maximum INP frequency supported in order to get at least one full ADC conversion per PWM cycle is 30kHz.
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