ST UM2975 Manuals

Manuals and User Guides for ST UM2975. We have 1 ST UM2975 manual available for free PDF download: User Manual

ST UM2975 User Manual (63 pages)

Brand: ST | Category: Microcontrollers | Size: 4.64 MB

Figure 1. DC Charging Station
1
Figure 2. STDES-VRECTFD Reference Design - Power Board
2
Figure 3. STDES-VRECTFD Reference Design - Control Board
2
Getting Started
3
Safety Information
3
Block Diagram
3
Features
3
Figure 4. STDES-VRECTFD Block Diagram
3
Main Characteristics
4
Reference Design Description
4
Power Board
4
Table 1. Main Characteristics
4
Table 2. Protection Characteristics
4
Power Stage
5
Figure 5. STDES-VRECTFD Reference Design - Power Board
5
Figure 6. STDES-VRECTFD Power Board Sections
5
Table 3. Boost Inductor Parameters
6
Figure 7. Three and Four-Wire Connections
6
Figure 8. Focus on the STDES-VRECTFD NTC
6
Figure 9. STDES-VRECTFD NTC Specifications
7
Figure 10. AC Current Sensing Block Diagram
7
Figure 11. AC Voltage Sensing Block Diagram
8
Figure 12. DC Current Sensing Block Diagram
8
Control Board
9
Figure 13. DC Voltage Sensing Block Diagram
9
Figure 14. STDES-VRECTFD Reference Design - Control Board
9
Figure 15. STDES-VRECTFD Control Board Sections
10
Figure 16. STDES-VRECTFD MCU Pin Assignment
10
Power Factor Correction (PFC) Benefits
11
Converter Operation
11
Figure 17. PFC Benefits
11
Figure 18. Switching Paths of the Vienna Topology
11
How to Use the STDES-VRECTFD Reference Design
12
System Setup
12
How to Connect the Reference Design
12
Table 4. Operation Condition Limits
12
MCU Programming and Debugging
13
Figure 19. STDES-VRECTFD Connection
13
Figure 20. ST-LINK/V2 and Adapter
14
Figure 21. ST-LINK/V2 Connected to the Control Board
14
Power Supply Section
15
Figure 22. IAR EWARM Program Procedure
15
Figure 23. IAR EWARM Debug Procedure
15
Driver Section
16
Preliminary Test Procedure
16
AC Sensing
16
Figure 24. Example of Power Supply Configuration
16
Figure 25. Example of Driver Configuration
16
Figure 26. AC Sensing Section
17
Figure 27. AC Voltage Sensing Test Procedure
17
DC Sensing
18
Figure 28. AC Grid Current Sensing Test Procedure
18
Figure 29. DC Voltage Sensing Test Procedure
18
AC Connection
19
DC Connection
19
Figure 30. DC Current Sensing Test Procedure
19
Figure 31. AC Connection and Sequence
19
Startup Procedure
20
Controlled Startup Procedure
20
Figure 32. DC Side Load Connection
20
Figure 33. Startup Procedure
20
Figure 34. Connection and Power-On Procedure
21
Figure 35. STDES- VRECTFD ICL Ntcs
21
Figure 36. Fsm_Wait Block Diagram
22
Figure 37. Fsm_Idle Block Diagram
22
Figure 38. Fsm_Init Block Diagram
23
Figure 39. Fsm_Start Block Diagram
23
Figure 40. Fsm_Run Block Diagram
23
Direct Startup Procedure
24
Control
25
Control Strategy
25
Current Control Strategy
25
Table 5. Control Strategy Comparison
25
Figure 41. Cascaded Control
25
Figure 42. Continuous Conduction Mode in Current Control
26
Figure 43. Current Decoupling Control of the Reference Design Converter Model
26
Voltage Control Strategy
27
Figure 44. CDC
27
Figure 45. Converter DC Side Model
27
Phase Locked Loop
28
Figure 46. Voltage Control Diagram
28
Figure 47. PLL Internal Regulator Loop
28
Figure 48. PLL in AC Main Voltage
28
Software Implementation
29
Figure 49. Stm32Cube Ecosystem Development Flow
29
Figure 50. DPC Development Flow
29
Configuration Files
30
Figure 51. AC-DC Rectifier Application
30
Figure 52. Simplified Execution Task of the Control in AC-DC
30
Figure 53. STDES-VRECTFD Configuration Files
31
Measurements
32
Startup Procedure
32
PFC Operation
32
Figure 54. Startup Procedure
32
Figure 55. PFC Operation
32
Step Load
33
Power Factor, Efficiency, and Thdi
33
Table 6. STDES-VRECTFD Power Factor, Efficiency, and Thdi
33
Figure 56. Step Load
33
Figure 57. STDES-VRECTFD Power Factor Plot
34
Figure 58. STDES-VRECTFD Efficiency Plot
34
Figure 59. STDES-VRECTFD Thdi Plot
34
Schematic Diagrams
35
Figure 60. STDES-VRECTFD Circuit Schematic - Power Board (1 of 11)
35
Figure 61. STDES-VRECTFD Circuit Schematic - Power Board (2 of 11)
36
Figure 62. STDES-VRECTFD Circuit Schematic - Power Board (3 of 11)
37
Figure 63. STDES-VRECTFD Circuit Schematic - Power Board (4 of 11)
38
Figure 64. STDES-VRECTFD Circuit Schematic - Power Board (5 of 11)
38
Figure 65. STDES-VRECTFD Circuit Schematic - Power Board (6 of 11)
39
Figure 66. STDES-VRECTFD Circuit Schematic - Power Board (7 of 11)
40
Figure 67. STDES-VRECTFD Circuit Schematic - Power Board (8 of 11)
41
Figure 68. STDES-VRECTFD Circuit Schematic - Power Board (9 of 11)
41
Figure 69. STDES-VRECTFD Circuit Schematic - Power Board (10 of 11)
42
Figure 70. STDES-VRECTFD Circuit Schematic - Power Board (11 of 11)
43
Figure 71. STDES-VRECTFD Circuit Schematic - Control Board
44
Bill of Materials
45
Table 7. STDES-VRECTFD Bill of Materials
45
Table 8. Power Board Bill of Materials
45
Table 9. Control Board Bill of Materials
55
Revision History
57
Table 10. Document Revision History
57
Table of Contents
58
List of Tables
60
List of Figures
61

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