ST UM0527 Manuals

Manuals and User Guides for ST UM0527. We have 1 ST UM0527 manual available for free PDF download: User Manual

ST UM0527 User Manual

ST UM0527 User Manual (66 pages)

UPS evaluation board

Brand: ST | Category: Motherboard | Size: 1 MB

Table of Contents

Table of Contents
2
General Description
5
Hardware Architecture
5
General Realization
5
Block Diagram
6
Figure 1. Block Diagram
6
Detailed Description of Electronics
7
DC/DC Converter Module
7
Figure 2. DC/DC Converter
7
DC/AC Inverter Module
9
Figure 3. DC/AC Inverter
9
Power Switches
11
Figure 4. Power Switches
11
RFI/EMI Filter
12
Figure 5. RFI/EMI Filter
12
Charger AC/DC
13
Figure 6. AC/DC Battery Charger
13
Control Unit
15
Figure 7. Control Unit
15
Power Supply
17
Figure 8. Power Supply
17
Interface
19
Figure 9. Interface
19
Measurements: Input Voltage, Input Voltage Phase, Output Current, Inverter Output Voltage, Battery Voltage
21
Figure 10. Measurements: Input Voltage, Input Voltage Phase, Output Current, Inverter Output
21
Battery Overcurrent Protection
22
Mains Protection
22
UPS Modes
22
Figure 11. Battery Overcurrent Protection
22
Microcontroller IN/OUT Signals
23
Signals Functions Table
24
Detailed Description of Mechanics
25
Software Architecture
26
Data Models
26
Protocols
26
System Architecture
27
Main Loop
27
Adc
29
Figure 12. Main Flowchart
29
Communication
30
Spi
30
Keyboard
30
Leds
31
Charger
31
Inverter
32
Technical Description
33
Circuit Diagram
33
Figure 13. Circuit Diagram
33
Figure 14. DC/AC Inverter
34
Figure 15. DC/DC Converter
35
Figure 16. Control Unit
36
Figure 17. Power Switches
37
Figure 18. AC/DC Battery Charger
38
Figure 19. PC Interface Stage
39
Figure 20. Power Supply
40
Figure 21. Measurement Stages
41
Figure 22. RFI/EMI Filter
42
Figure 23. Battery Overcurrent Protection
42
Layout
43
Figure 24. Top View
43
Figure 25. Bottom View
44
Assembly Description
45
General
45
Electrical
46
Mechanical
46
Figure 26. Electrical Connections
46
Figure 27. Mechanical View
46
Figure 28. UPS with Assembled Rear Outlets
47
Figure 29. UPS with Front Button and Indicators
47
Figure 30. UPS with Batteries and Battery Fuse
47
Figure 31. UPS with Battery Fuse
48
Figure 32. UPS with AVR Transformer
48
Figure 33. UPS with Automatic Fuse and Power Wires
48
Figure 34. UPS with Motherboard
49
Figure 35. UPS Fully Assembled
49
Connectors
50
PCB: Mains Input
50
PCB: Outlet Output
50
PCB: AVR Transformer
50
Figure 36. UPS
50
PCB: Battery
51
Pcb
51
Signalization Description
52
Indicators
52
Sound Alarms
52
Bill of Material
52
Bill of Material for 120 Vac Version
52
Bill of Material for 230 Vac Version
58
Technical Specifications
64
Revision History
65

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