graph LR
subgraph "三相PFC/並網變換器"
A["三相380VAC \n 礦山電網"] --> B["EMI濾波器 \n 浪湧保護器"]
B --> C["三相整流橋"]
C --> D["PFC電感"]
D --> E["PFC開關節點"]
subgraph E ["全橋開關陣列"]
direction LR
SW1["VBMB165R20S"]
SW2["VBMB165R20S"]
SW3["VBMB165R20S"]
SW4["VBMB165R20S"]
end
E --> F["高壓直流母線 \n 700-800VDC"]
G["DSP控制器"] --> H["柵極驅動器"]
H --> SW1
H --> SW2
H --> SW3
H --> SW4
subgraph "電壓電流檢測"
I["電壓感測器"]
J["電流感測器"]
end
I --> G
J --> G
F -->|電壓回饋| G
end
subgraph "保護電路"
K["RCD緩衝電路"] --> SW1
L["TVS保護"] --> H
M["過流保護"] --> G
N["過溫保護"] --> G
end
style SW1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
雙向DC-DC變換拓撲詳圖
graph TB
subgraph "雙向移相全橋變換器"
A["高壓直流母線"] --> B["全橋開關網路"]
subgraph B ["高壓側開關"]
direction LR
Q1["VBPB19R09S \n 900V/9A"]
Q2["VBPB19R09S \n 900V/9A"]
Q3["VBPB19R09S \n 900V/9A"]
Q4["VBPB19R09S \n 900V/9A"]
end
B --> C["諧振電感"]
C --> D["高頻變壓器"]
D --> E["次級整流網路"]
E --> F["輸出濾波"]
F --> G["電池直流母線"]
subgraph "控制與驅動"
H["移相全橋控制器"] --> I["隔離驅動器"]
I --> Q1
I --> Q2
I --> Q3
I --> Q4
J["電流檢測"] --> H
K["電壓檢測"] --> H
end
end
subgraph "保護與散熱"
L["RC吸收電路"] --> Q1
M["鉗位電路"] --> D
N["過溫保護"] --> H
O["液冷散熱板"] --> Q1
O --> Q2
P["溫度感測器"] --> H
end
style Q1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
BMS智能管理拓撲詳圖
graph LR
subgraph "BMS從控單元智能開關"
A["電池單體 \n 3.0-4.2V"] --> B["電壓檢測電路"]
B --> C["從控MCU"]
subgraph "VBQG8238雙P-MOS應用"
direction TB
D["通道1: 均衡控制"]
E["通道2: 電源管理"]
subgraph D ["均衡開關"]
F["VBQG8238 \n P-MOS1"]
end
subgraph E ["電源開關"]
G["VBQG8238 \n P-MOS2"]
end
end
C --> F
C --> G
F --> H["均衡電阻 \n 放電負載"]
G --> I["從控板電源 \n 12V/5V"]
H --> J["公共地"]
I --> K["MCU及週邊電路"]
L["溫度感測器"] --> C
M["通信介面"] --> C
end
subgraph "熱管理與保護"
N["PCB大面積銅箔"] --> F
N --> G
O["過流保護"] --> C
P["短路保護"] --> C
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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