SLUU885C March   2012  – June 2024 UCD3138 , UCD3138064 , UCD3138064A , UCD3138128 , UCD3138A , UCD3138A64

 

  1.   1
  2.   2
  3.   Abstract
  4. Introduction
  5. Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  6. Electrical Performance Specifications
  7. Schematics
  8. Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  9. List of Test Points
  10. List of Terminals
  11. Test Procedure
    1. 8.1 Efficiency Measurement Procedure
    2. 8.2 Equipment Shutdown
  12. Performance Data and Typical Characteristic Curves
    1. 9.1 Efficiency
    2. 9.2 Power Factor
    3. 9.3 Total Harmonic Distortion (THD)
    4. 9.4 Input Current at 230 VAC and 50 Hz
    5. 9.5 Output Voltage Ripple
    6. 9.6 Output Turn On
    7. 9.7 Total Harmonic Distortion (THD)
    8. 9.8 Other Waveforms
  13. 10EVM Assembly Drawing and PCB Layout
  14. 11List of Materials
  15. 12Digital PFC Description
    1. 12.1  1PFC Block Diagram
      1. 12.1.1 Single-Phase PFC Block Diagram
      2. 12.1.2 2-Phase PFC Block Diagram
      3. 12.1.3 Bridgeless PFC Block Diagram
    2. 12.2  UCD3138 Pin Definition
      1. 12.2.1 UCD3138 Pin Definition in Single-Phase PFC
      2. 12.2.2 UCD3138 Pin Definition in 2-Phase PFC
      3. 12.2.3 UCD3138 Pin Definition in Bridgeless PFC
    3. 12.3  EVM Hardware – Introduction
      1. 12.3.1 PFC Pre-Regulator Input
      2. 12.3.2 PFC Power Stage
      3. 12.3.3 Non-Isolated UART Interface
      4. 12.3.4 Isolated UART Interface
      5. 12.3.5 Interface Connector of Control Card
      6. 12.3.6 UCD3138 Resource Allocation for PFC Control
    4. 12.4  EVM Firmware – Introduction
      1. 12.4.1 Background Loop
      2. 12.4.2 Voltage Loop Configuration
      3. 12.4.3 Current Loop Configuration
      4. 12.4.4 Interrupts
    5. 12.5  State Machine
    6. 12.6  PFC Control Firmware
    7. 12.7  System Protection
      1. 12.7.1 Cycle-by-Cycle Current Protection (CBC)
      2. 12.7.2 Over-Voltage Protection (OVP)
    8. 12.8  PFC System Control
      1. 12.8.1 Average Current Mode Control
      2. 12.8.2 ZVS and Valley Control
    9. 12.9  Current Feedback Control Compensation Using PID Control
      1. 12.9.1 Loop Compensation from Poles and Zeros in s-Domain
      2. 12.9.2 Feedback Loop Compenstaion Tuning with PID Coefficients
      3. 12.9.3 Feedback Loop Compensation with Multiple-Set of Parameters
    10. 12.10 Voltage Feedback Loop
  16. 13Evaluating the Single-Phase PFC with GUI
    1. 13.1 Graphical User Interface (GUI)
    2. 13.2 Open the Designer GUI
    3. 13.3 Overview of the Designer GUI
      1. 13.3.1 Monitor
      2. 13.3.2 Status
      3. 13.3.3 Design and Configure
  17. 14Monitoring, Re-configuring and Re-tuning with Designer GUI
    1. 14.1 Power On and Test Procedure
    2. 14.2 Monitoring with GUI
    3. 14.3 Configuration and Re-configuring with GUI
    4. 14.4 Feedback Control Loop Tuning and Re-Tuning with GUI
      1. 14.4.1 Current Loop Evaluation
      2. 14.4.2 Current Loop Re-Tuning
      3. 14.4.3 Voltage Loop Evaluation and Re-tuning
  18. 15Digital PFC Firmware Development
  19. 16References
  20. 17Revision History

UCD3138 Resource Allocation for PFC Control

Table 12-1 J3 and J4 Pin Assignment
HEADER PIN NUMBERUCD3138 CONTROL CARD PIN NAMEDESCRIPTION
J3-1DPWM_0ARC filter for debug monitoring
J3-2DPWM_0BNot used
J3-3DPWM_1ANot used(available as an option for PFC PWM1)
J3-4DPWM_1BPFC PWM1
J3-5DPWM_2ANot used(available as an option for PFC PWM2)
J3-6DPWM_2BPFC PWM2
J3-7DPWM_3APFC ZVS control
J3-8DPWM_3BAC drop indicator signal
J3-9DGNDDigital ground GND1
J3-10DGNDDigital ground GND1
J3-11FAULT-0Inrush relay control
J3-12Not usedNot used
J3-13FAULT-1LED 1
J3-14Not usedNot used
J3-15SYNCSync input signal for PFC stage
J3-16Not usedNot used
J3-17FAULT-2Not used
J3-18Not usedNot used
J3-19Not usedNot used
J3-20Not usedNot used
J3-21Not usedNot used
J3-22FAULT-3Not used
J3-23SCI_TX1SCI_TX1
J3-24SCI_RX1SCI_RX1
J3-25PWM0LED 2
J3-26PWM1LED 3
J3-27Not usedNot used
J3-28Not usedNot used
J3-29TCAPNot used
J3-30Not usedNot used
J3-31SCI TX0SCI TX0
J3-32SCI TX0SCI RX0
J3-33INT-EXTNot used
J3-34EXT-TRIGNot used
J3-35DGNDNot used
J3-36RESET*Not used
J3-37DGNDDigital ground GND1
J3-38DGNDDigital ground GND1
J3-39+12V_EXTExternal +12V DC supply
J3-403.3VDNot used
J4-01AGNDAnalog ground GND2
J4-02Not usedNot used
J4-03AGNDAnalog ground GND2
J4-04AD_00PMBus address
J4-05AGNDAnalog ground GND2
J4-06AD_01IPM
J4-07AGNDAnalog ground GND2
J4-08AD_02PFC input current sense
J4-09AGNDAnalog ground GND2
J4-10AD_03PFC BUS voltage sense
J4-11AGNDAnalog ground GND2
J4-12AD_04PFC MOSFET Q3 current sense
J4-13AGNDAnalog ground GND2
J4-14AD_05Not used
J4-15AGNDAnalog ground GND2
J4-16AD_06PFC BUS voltage sense(for OVP)
J4-17AGNDAnalog ground GND2
J4-18AD_07PFC Vin line voltage sense
J4-19AGNDAnalog ground GND2
J4-20AD_08PFC Vin neutral voltage sense
J4-21AGNDAnalog ground GND2
J4-22AD_09Not used
J4-23AGNDAnalog ground GND2
J4-24AD_10Not used
J4-25AGNDAnalog ground GND2
J4-26AD_11Not used
J4-27AGNDAnalog ground GND2
J4-28AD_12Not used
J4-29AGNDAnalog ground GND2
J4-30AD_13PFC MOSFET Q4 current sense
J4-31AGNDAnalog ground GND2
J4-32Not usedNot used
J4-33Not usedNot used
J4-34Not usedNot used
J4-35EAN2Analog ground GND2
J4-36EAP2PFC MOSFET Q4 current sense
J4-37EAN1Analog ground GND2
J4-38EAP1PFC MOSFET Q3 current sense
J4-39EAN0Analog ground GND2
J4-40EAP0PFC Input current sense