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  • Bidirectional, Dual Active Bridge Reference Design for Level 3 Electric Vehicle Charging Stations

    • TIDUES0E June   2019  – April 2024 TMS320F28P550SG , TMS320F28P550SJ , TMS320F28P559SG-Q1 , TMS320F28P559SJ-Q1

       

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  • Bidirectional, Dual Active Bridge Reference Design for Level 3 Electric Vehicle Charging Stations
  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Highlighted Products
      1. 2.2.1  UCC21710
      2. 2.2.2  UCC14141-Q1
      3. 2.2.3  AMC1311
      4. 2.2.4  AMC1302
      5. 2.2.5  OPA320
      6. 2.2.6  AMC1306M05
      7. 2.2.7  AMC1336
      8. 2.2.8  TMCS1133
      9. 2.2.9  TMS320F280039C
      10. 2.2.10 TLVM13620
      11. 2.2.11 ISOW1044
      12. 2.2.12 TPS2640
    3. 2.3 System Design Theory
      1. 2.3.1 Dual Active Bridge Analogy With Power Systems
      2. 2.3.2 Dual-Active Bridge – Switching Sequence
      3. 2.3.3 Dual-Active Bridge – Zero Voltage Switching (ZVS)
      4. 2.3.4 Dual-Active Bridge - Design Considerations
        1. 2.3.4.1 Leakage Inductor
        2. 2.3.4.2 Soft Switching Range
        3. 2.3.4.3 Effect of Inductance on Current
        4. 2.3.4.4 Phase Shift
        5. 2.3.4.5 Capacitor Selection
          1. 2.3.4.5.1 DC-Blocking Capacitors
        6. 2.3.4.6 Switching Frequency
        7. 2.3.4.7 Transformer Selection
        8. 2.3.4.8 SiC MOSFET Selection
      5. 2.3.5 Loss Analysis
        1. 2.3.5.1 SiC MOSFET and Diode Losses
        2. 2.3.5.2 Transformer Losses
        3. 2.3.5.3 Inductor Losses
        4. 2.3.5.4 Gate Driver Losses
        5. 2.3.5.5 Efficiency
        6. 2.3.5.6 Thermal Considerations
  9. 3Circuit Description
    1. 3.1 Power Stage
    2. 3.2 DC Voltage Sensing
      1. 3.2.1 Primary DC Voltage Sensing
      2. 3.2.2 Secondary DC Voltage Sensing
        1. 3.2.2.1 Secondary Side Battery Voltage Sensing
    3. 3.3 Current Sensing
    4. 3.4 Power Architecture
      1. 3.4.1 Auxiliary Power Supply
      2. 3.4.2 Gate Driver Bias Power Supply
      3. 3.4.3 Isolated Power Supply for Sense Circuits
    5. 3.5 Gate Driver Circuit
    6. 3.6 Additional Circuitry
    7. 3.7 Simulation
      1. 3.7.1 Setup
      2. 3.7.2 Running Simulations
  10. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Required Hardware and Software
      1. 4.1.1 Hardware
      2. 4.1.2 Software
        1. 4.1.2.1 Getting Started With Software
        2. 4.1.2.2 Pin Configuration
        3. 4.1.2.3 PWM Configuration
        4. 4.1.2.4 High-Resolution Phase Shift Configuration
        5. 4.1.2.5 ADC Configuration
        6. 4.1.2.6 ISR Structure
    2. 4.2 Test Setup
    3. 4.3 PowerSUITE GUI
    4. 4.4 LABs
      1. 4.4.1 Lab 1
      2. 4.4.2 Lab 2
      3. 4.4.3 Lab 3
      4. 4.4.4 Lab 4
      5. 4.4.5 Lab 5
      6. 4.4.6 Lab 6
      7. 4.4.7 Lab 7
    5. 4.5 Test Results
      1. 4.5.1 Closed-Loop Performance
  11. 5Design Files
    1. 5.1 Schematics
    2. 5.2 Bill of Materials
    3. 5.3 Altium Project
    4. 5.4 Gerber Files
    5. 5.5 Assembly Drawings
  12. 6Related Documentation
    1. 6.1 Trademarks
  13. 7Terminology
  14. 8About the Author
  15. 9Revision History
  16. IMPORTANT NOTICE
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Design Guide

Bidirectional, Dual Active Bridge Reference Design for Level 3 Electric Vehicle Charging Stations

Description

This reference design provides an overview on the implementation of a single-phase Dual Active Bridge (DAB) DC/DC converter. DAB topology offers advantages like soft-switching commutations, a decreased number of devices and high efficiency. The design is beneficial where power density, cost, weight, galvanic isolation, high-voltage conversion ratio, and reliability are critical factors, making this design an excellent choice for EV charging stations and energy storage applications. Modularity and symmetrical structure in the DAB allow for stacking converters to achieve high power throughput and facilitate a bidirectional mode of operation to support battery charging and discharging applications.

Resources

TIDA-010054Design Folder
UCC21710, UCC14141-Q1, AMC1311Product Folder
AMC1306M05, AMC1336, AMC1302Product Folder
TPS2640, TLVM13620, TMCS1133Product Folder
TPS7A20, TLV760Product Folder
TMS320F280039Product Folder
TIDA-010054 Ask our TI E2E™ support experts

 
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