SLUSDE1C November   2018  – September 2019 UCC21540 , UCC21540A , UCC21541

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Power Ratings
    6. 7.6  Insulation Specifications
    7. 7.7  Safety-Related Certifications
    8. 7.8  Safety-Limiting Values
    9. 7.9  Electrical Characteristics
    10. 7.10 Switching Characteristics
    11. 7.11 Insulation Characteristics Curves
    12. 7.12 Typical Characteristics
  8. Parameter Measurement Information
    1. 8.1 Minimum Pulses
    2. 8.2 Propagation Delay and Pulse Width Distortion
    3. 8.3 Rising and Falling Time
    4. 8.4 Input and Disable Response Time
    5. 8.5 Programmable Dead Time
    6. 8.6 Power-up UVLO Delay to OUTPUT
    7. 8.7 CMTI Testing
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 VDD, VCCI, and Under Voltage Lock Out (UVLO)
      2. 9.3.2 Input and Output Logic Table
      3. 9.3.3 Input Stage
      4. 9.3.4 Output Stage
      5. 9.3.5 Diode Structure in the UCC2154x
    4. 9.4 Device Functional Modes
      1. 9.4.1 Disable Pin
      2. 9.4.2 Programmable Dead Time (DT) Pin
        1. 9.4.2.1 DT Pin Tied to VCCI
        2. 9.4.2.2 Connecting a Programming Resistor between DT and GND Pins
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Designing INA/INB Input Filter
        2. 10.2.2.2 Select Dead Time Resistor and Capacitor
        3. 10.2.2.3 Select External Bootstrap Diode and its Series Resistor
        4. 10.2.2.4 Gate Driver Output Resistor
        5. 10.2.2.5 Estimating Gate Driver Power Loss
        6. 10.2.2.6 Estimating Junction Temperature
        7. 10.2.2.7 Selecting VCCI, VDDA/B Capacitor
          1. 10.2.2.7.1 Selecting a VCCI Capacitor
          2. 10.2.2.7.2 Selecting a VDDA (Bootstrap) Capacitor
          3. 10.2.2.7.3 Select a VDDB Capacitor
        8. 10.2.2.8 Application Circuits with Output Stage Negative Bias
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 Component Placement Considerations
      2. 12.1.2 Grounding Considerations
      3. 12.1.3 High-Voltage Considerations
      4. 12.1.4 Thermal Considerations
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Development Support
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Related Links
    5. 13.5 Community Resources
    6. 13.6 Trademarks
    7. 13.7 Electrostatic Discharge Caution
    8. 13.8 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DWK|14
  • DW|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Features

  • Wide body package options
    • DW SOIC-16: pin-2-pin to UCC21520
    • DWK SOIC-14: 3.3 mm Ch-2-Ch spacing
  • CMTI greater than 100 V/ns
  • Up to 4-A peak source and 6-A peak sink output
    • Up to 18-V VDD output drive supply
      • 5-V and 8-V VDD UVLO Options
    • Switching parameters:
      • 40-ns maximum propagation delay
      • 5-ns maximum delay matching
      • 5.5-ns maximum pulse-width distortion
      • 35-µs maximum VDD power-up delay
    • Resistor-programmable dead time
    • TTL and CMOS compatible inputs
    • Safety-related certifications:
      • 8000-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
      • 5700-VRMS isolation for 1 minute per UL 1577
      • CQC certification per GB4943.1-2011 (Planned)