graph LR
subgraph "三相全橋逆變拓撲"
A["48V/72V電池輸入"] --> B["輸入濾波電容"]
B --> C["U相上橋"]
B --> D["V相上橋"]
B --> E["W相上橋"]
C --> F["VBP1803 \n 80V/215A"]
D --> G["VBP1803 \n 80V/215A"]
E --> H["VBP1803 \n 80V/215A"]
F --> I["U相輸出"]
G --> J["V相輸出"]
H --> K["W相輸出"]
L["U相下橋"] --> M["功率地"]
N["V相下橋"] --> M
O["W相下橋"] --> M
F --> L
G --> N
H --> O
end
subgraph "柵極驅動與保護"
P["MCU PWM輸出"] --> Q["柵極驅動器"]
Q --> F
Q --> L
R["RC緩衝網路"] --> F
S["電流檢測電阻"] --> M
T["溫度感測器"] --> U["熱管理MCU"]
U --> V["風扇控制"]
V --> W["冷卻風扇"]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC-DC轉換與負載管理拓撲詳圖
graph TB
subgraph "同步降壓DC-DC轉換器"
A["48V電池輸入"] --> B["輸入EMI濾波器"]
B --> C["VBFB1303 \n 高邊MOSFET"]
C --> D["功率電感"]
D --> E["輸出濾波電容"]
E --> F["12V低壓母線"]
G["VBFB1303 \n 低邊MOSFET"] --> H["功率地"]
C --> D
G --> H
I["降壓控制器"] --> J["驅動器"]
J --> C
J --> G
F -->|電壓回饋| I
end
subgraph "智能負載管理網路"
K["12V低壓母線"] --> L["負載分配匯流排"]
subgraph "分佈式負載開關"
M["VBA1305 \n 照明通道"]
N["VBA1305 \n 感測器通道"]
O["VBA1305 \n 語音通道"]
P["VBA1305 \n 通信通道"]
end
L --> M
L --> N
L --> O
L --> P
M --> Q["LED照明陣列"]
N --> R["感測器集群"]
O --> S["音頻功放"]
P --> T["無線模組"]
U["MCU GPIO"] --> V["電平轉換器"]
V --> M
V --> N
V --> O
V --> P
end
subgraph "電流監測與保護"
W["負載電流檢測"] --> X["比較器陣列"]
X --> Y["故障鎖存"]
Y --> Z["關斷信號"]
Z --> M
Z --> N
AA["過溫保護"] --> BB["熱關斷"]
BB --> Z
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
熱管理與系統保護拓撲詳圖
graph LR
subgraph "三級散熱系統"
A["一級: 主動風冷"] --> B["主驅MOSFET \n VBP1803"]
C["二級: PCB敷銅"] --> D["DC-DC MOSFET \n VBFB1303"]
E["三級: 自然對流"] --> F["負載開關 \n VBA1305"]
G["溫度感測器網路"] --> H["熱管理控制器"]
H --> I["PWM風扇控制"]
H --> J["負載功率調節"]
I --> K["無刷風扇"]
L["環境溫度"] --> H
end
subgraph "多層保護電路"
M["電氣保護層"] --> N["RC緩衝電路"]
M --> O["TVS陣列"]
M --> P["自恢復保險"]
N --> Q["功率MOSFET"]
O --> R["敏感IC"]
P --> S["電源輸入"]
T["熱保護層"] --> U["NTC熱敏電阻"]
T --> V["溫度開關"]
U --> W["MOSFET散熱器"]
V --> X["電機殼體"]
Y["監控保護層"] --> Z["電流檢測"]
Y --> AA["電壓檢測"]
Y --> BB["故障診斷"]
Z --> CC["比較器快速關斷"]
AA --> DD["ADC監控"]
BB --> EE["故障記錄"]
end
subgraph "EMC設計對策"
FF["傳導EMI抑制"] --> GG["π型濾波器"]
FF --> HH["共模電感"]
II["輻射EMI抑制"] --> JJ["遮罩殼體"]
II --> KK["磁環吸收"]
LL["信號完整性"] --> MM["阻抗匹配"]
LL --> NN["遮罩線纜"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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