ST STEVAL-A6983CV1 Manuals

Manuals and User Guides for ST STEVAL-A6983CV1. We have 1 ST STEVAL-A6983CV1 manual available for free PDF download: User Manual

ST STEVAL-A6983CV1 User Manual

ST STEVAL-A6983CV1 User Manual (50 pages)

synchronous step-down switching regulator evaluation board based on A6983C

Brand: ST | Category: Computer Hardware | Size: 26 MB

Table of Contents

1 Getting Started

2
- Safety Precautions
  2
- Overview
  2
- Block Diagram
  2
- Figure 2. STEVAL-A6983CV1 Functional Block Diagram
  2
- Connectors and Test Points
  3
- Input EMI Filter
  3
- Switching Frequency Settings
  3
- Table 1. Switching Frequency Settings Table
  3
- EN Settings
  4
- VOUT Settings
  4
- Edesignsuite
  4
2 How to Use the Board

5
3 PCB Layout

6
- Figure 3. STEVAL-A6983CV1 Evaluation Board - PCB Layout (Top Layer)
  6
- Figure 4. STEVAL-A6983CV1 Evaluation Board - PCB Layout (Bottom Layer)
  7
4 Stack up Layers

8
- Figure 5. STEVAL-A6983CV1 Stack up Layer
  8
5 Application 1 (VOUT = 5 V, FSW = 400 Khz)

9
- Figure 6. STEVAL-A6983CV1 Schematic - Application 1
  9
  - Oscilloscope Ack
    10
  - Figure 7. VIN = 6.5 V
    10
  - Figure 9. VIN = 24 V
    10
  - Figure 11. VIN = 6.5 V
    10
  - Figure 16. in = 6.5 V
    10
  - Figure 18. in = 6.5 V
    10
  - Figure 26. in = 24 V
    10
  - Figure 13. VIN = 24 V
    11
  - Figure 15. VIN = 6.5 V
    11
  - Figure 17. VIN = 6.5 V
    11
  - Figure 23. VIN = 24 V
    12
  - Figure 24. VIN = 24 V
    12
  - Figure 25. VIN = 24 V
    13
  - Figure 27. VIN = 38 V
    13
  - Figure 29. VIN = 38 V
    13
  - Figure 31. VIN = 8.5 V
    14
  - Figure 33. VIN = 24 V
    14
  - Performance Curves
    15
  - Figure 35. Efficiency Measures
    15
  - Figure 36. Efficiency Measures Log Scale
    15
  - Figure 37. Power Losses
    15
  - Figure 38. Load Regulation
    15
  - Thermal Acquisitions
    16
  - Figure 39. VIN = 6.5 V
    16
  - Figure 41. VIN = 24 V
    16
6 Application 2 (VOUT = 5 V, FSW = 400 Khz, Low AC Ripple)

17
- Oscilloscope Ack
  18
- Figure 44. VIN = 6.5 V
  18
- Figure 46. VIN = 24 V
  18
- Figure 48. VIN = 6.5 V
  18
- Figure 55. in = 6.5 V
  18
- Figure 88. in = 6.5 V
  18
- Figure 94. in = 24 V
  18
- Figure 50. VIN = 24 V; VOUT
  19
- Figure 52. VIN = 6.5 V; VOUT
  19
- Figure 54. VIN = 6.5 V; VOUT
  19
- Figure 56. VIN = 12 V; VOUT
  20
- Figure 57. VIN = 12 V; VOUT
  20
- Figure 58. VIN = 12 V; VOUT
  20
- Figure 59. VIN = 12 V; VOUT
  20
- Figure 60. VIN = 24 V; VOUT
  20
- Figure 61. VIN = 24 V; VOUT
  20
- Figure 10. in = 38 V
  21
- Figure 14. in = 38 V
  21
- Figure 51. VIN = 38 V
  21
- Figure 62. VIN = 24 V; VOUT
  21
- Figure 64. VIN = 38 V; VOUT
  21
- Figure 65. VIN = 38 V
  21
- Figure 66. VIN = 38 V; VOUT
  21
- Figure 67. VIN = 38 V
  21
- Figure 71. VIN = 38 V
  21
- Figure 80. VIN = 38 V
  21
- Figure 8. VIN = 12 V
  22
- Figure 68. VIN = 8.5 V; VOUT = 5 V
  22
- Figure 70. VIN = 24 V; VOUT = 5 V
  22
- Figure 90. VIN = 12 V; VOUT
  22
- Figure 92. VIN = 12 V; VOUT
  22
- Performance Curves
  23
- Figure 72. Efficiency Measures
  23
- Figure 74. Power Losses
  23
7 Application 3 (VOUT = 3.3 V, FSW = 400 Khz)

24
- Oscilloscope Ack
  25
- Figure 77. VIN = 6.5 V; VOUT
  25
- Figure 79. VIN = 24 V; VOUT
  25
- Figure 81. VIN = 6.5 V; VOUT
  25
- Figure 28. in = 38 V
  26
- Figure 83. VIN = 24 V; VOUT
  26
- Figure 84. VIN = 38 V; VOUT
  26
- Figure 85. VIN = 6.5 V; VOUT
  26
- Figure 86. VIN = 6.5 V; VOUT
  26
- Figure 87. VIN = 6.5 V; VOUT
  26
- Figure 12. in = 12 V
  27
- Figure 19. VIN = 12 V
  27
- Figure 20. VIN = 12 V
  27
- Figure 21. VIN = 12 V
  27
- Figure 22. VIN = 12 V
  27
- Figure 32. in = 12 V
  27
- Figure 69. VIN = 12 V
  27
- Figure 78. VIN = 12 V
  27
- Figure 89. VIN = 12 V; VOUT
  27
- Figure 91. VIN = 12 V; VOUT
  27
- Figure 30. in = 38 V
  28
- Figure 34. in = 38 V
  28
- Figure 95. VIN = 24 V; VOUT
  28
- Figure 97. VIN = 38 V; VOUT
  28
- Figure 99. VIN = 38 V; VOUT
  28
- Figure 53. VIN = 6.5 V; VOUT
  29
- Figure 63. VIN = 24 V; VOUT
  29
- Figure 82. VIN = 12 V
  29
- Performance Curves
  30
- Thermal Acquisitions
  31
8 Application

32
- Oscilloscope Ack
  33
- Performance Curves
  38
9 Schematic Diagrams

39
10 Bill of Materials

40
- Table 2. STEVAL-A6983CV1 Bill of Materials
  40
11 Board Versions

42
- Table 3. STEVAL-A6983CV1 Versions
  42
12 Regulatory Compliance Information

43
- Revision History
  44
- Table 4. Document Revision History
  44

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