graph LR
subgraph "反激式輔助電源"
A["高壓直流母線 \n 380VDC"] --> B["輸入濾波電容"]
B --> C["反激變壓器初級"]
C --> D["VBI165R04 \n 650V/4A"]
D --> E["初級地"]
F["反激控制器"] --> G["柵極驅動器"]
G --> D
subgraph "變壓器次級側"
H["反激變壓器次級"] --> I["整流二極體"]
I --> J["輸出濾波"]
J --> K["輔助電源輸出 \n 12V/5V/3.3V"]
end
C -->|電壓回饋| F
K -->|負載回饋| F
end
subgraph "保護電路"
L["RCD緩衝網路"] --> D
M["TVS保護"] --> G
N["過流檢測"] --> F
O["過壓保護"] --> F
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
PoL轉換與負載管理拓撲詳圖
graph TB
subgraph "同步Buck轉換器"
A["12V中間匯流排"] --> B["輸入電容"]
B --> C["上管MOSFET"]
C --> D["開關節點"]
D --> E["VB7430 \n 40V/6A"]
E --> F["輸出電感"]
F --> G["輸出電容"]
G --> H["CPU核心供電 \n 0.8-1.2V"]
I["Buck控制器"] --> J["上管驅動器"]
I --> K["下管驅動器"]
J --> C
K --> E
H -->|電壓回饋| I
end
subgraph "多路負載分配"
L["5V輔助電源"] --> M["VB7430負載開關"]
M --> N["外設供電"]
O["3.3V輔助電源"] --> P["VB7430負載開關"]
P --> Q["介面電路供電"]
end
subgraph "保護與濾波"
R["輸入π型濾波"] --> B
S["輸出LC濾波"] --> G
T["電流檢測"] --> I
U["溫度監控"] --> MCU[主控MCU]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能散熱與信號管理拓撲詳圖
graph LR
subgraph "雙路風扇驅動通道"
A["MCU PWM輸出1"] --> B["電平轉換"]
B --> C["VBC9216 CH1 \n 柵極驅動"]
C --> D["風扇1電源控制"]
E["MCU PWM輸出2"] --> F["電平轉換"]
F --> G["VBC9216 CH2 \n 柵極驅動"]
G --> H["風扇2電源控制"]
I["12V風扇匯流排"] --> J["VBC9216漏極1"]
I --> K["VBC9216漏極2"]
J --> D
K --> H
D --> L["4線PWM風扇1"]
H --> M["4線PWM風扇2"]
L --> N["風扇轉速回饋"]
M --> O["風扇轉速回饋"]
N --> A
O --> E
end
subgraph "信號通路管理"
P["MCU GPIO"] --> Q["VBC9216信號開關"]
Q --> R["板間通信通路"]
S["FPGA輸出"] --> T["VBC9216電平轉換"]
T --> U["外部介面"]
end
subgraph "保護電路"
V["續流二極體"] --> L
W["RC吸收電路"] --> L
X["TVS保護"] --> I
Y["堵轉檢測"] --> MCU2[故障處理MCU]
Z["過流保護"] --> MCU2
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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