SLUSEM9A September   2022  – June 2024 UCC21755-Q1

PRODUCTION DATA  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Pin Configuration and Functions
6. 5 Specifications
   1. 5.1  Absolute Maximum Ratings
   2. 5.2  ESD Ratings
   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 Propagation Delay
      1. 6.1.1 Non-Inverting and Inverting Propagation Delay
   2. 6.2 Input Deglitch Filter
   3. 6.3 Active Miller Clamp
      1. 6.3.1 Internal On-Chip Active Miller Clamp
   4. 6.4 Undervoltage Lockout (UVLO)
      1. 6.4.1 VCC UVLO
      2. 6.4.2 VDD UVLO
   5. 6.5 Desaturation (DESAT) Protection
      1. 6.5.1 DESAT Protection with Soft Turn-OFF
8. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1  Power Supply
      2. 7.3.2  Driver Stage
      3. 7.3.3  VCC and VDD Undervoltage Lockout (UVLO)
      4. 7.3.4  Active Pulldown
      5. 7.3.5  Short Circuit Clamping
      6. 7.3.6  Internal Active Miller Clamp
      7. 7.3.7  Desaturation (DESAT) Protection
      8. 7.3.8  Soft Turn-Off
      9. 7.3.9  Fault (FLT), Reset and Enable (RST/EN)
      10. 7.3.10 Isolated Analog to PWM Signal Function
   4. 7.4 Device Functional Modes
9. 8 Applications 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 Input Filters for IN+, IN-, and RST/EN
         2. 8.2.2.2 PWM Interlock of IN+ and IN-
         3. 8.2.2.3 FLT, RDY, and RST/EN Pin Circuitry
         4. 8.2.2.4 RST/EN Pin Control
         5. 8.2.2.5 Turn-On and Turn-Off Gate Resistors
         6. 8.2.2.6 Overcurrent and Short Circuit Protection
         7. 8.2.2.7 Isolated Analog Signal Sensing
            1. 8.2.2.7.1 Isolated Temperature Sensing
            2. 8.2.2.7.2 Isolated DC Bus Voltage Sensing
         8. 8.2.2.8 Higher Output Current Using an External Current Buffer
      3. 8.2.3 Application Curves
10. 9 Power Supply Recommendations
11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
12. 11Device and Documentation Support
    1. 11.1 Device Support
       1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
       1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
13. 12Revision History
14. 13Mechanical, Packaging, and Orderable Information

UCC21755-Q1 Automotive 10A Source/Sink Reinforced Isolated Single Channel Gate
Driver for SiC/IGBT with Active Protection, Isolated Analog Sensing and High-CMTI