graph LR
subgraph "集成半橋驅動電路"
A["VBQF3310G \n 高邊N-MOS"] --> B["電機正極端"]
C["VBQF3310G \n 低邊N-MOS"] --> D["電機負極端"]
E["電源輸入 \n 3.7-14.8V"] --> A
C --> F["電源地"]
B --> G[直流電機]
D --> G
end
subgraph "驅動與控制電路"
H["半橋驅動IC"] --> I["高邊驅動"]
H --> J["低邊驅動"]
I --> A
J --> C
K["MCU PWM"] --> H
L["自舉二極體"] --> M["自舉電容"]
M --> I
N["柵極電阻"] --> A
N --> C
end
subgraph "保護電路"
O["電流檢測電阻"] --> P["比較器"]
P --> Q["過流保護"]
Q --> H
R["RC吸收網路"] --> G
S["TVS管"] --> A
S --> C
end
style A fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
加熱控制與電源管理拓撲詳圖
graph TB
subgraph "加熱模組PWM控制"
A["電源輸入"] --> B["VBA7216 \n 20V/7A"]
B --> C["PTC加熱片"]
D["MCU PWM"] --> E["柵極驅動"]
E --> B
F["溫度感測器"] --> G["PID控制器"]
G --> D
end
subgraph "主電源開關管理"
H["鋰電池"] --> I["VBA7216 \n 主開關"]
I --> J["系統電源匯流排"]
K["MCU GPIO"] --> L["直接驅動"]
L --> I
end
subgraph "輔助負載開關"
M["系統電源"] --> N["VBTA2245N \n -20V/-0.55A"]
N --> O["LED負載"]
P["MCU GPIO"] --> Q["低電平驅動"]
Q --> N
R["上拉電阻"] --> N
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
保護與熱管理拓撲詳圖
graph LR
subgraph "三級熱管理系統"
A["一級散熱"] --> B["H橋MOSFET"]
C["二級散熱"] --> D["加熱控制MOSFET"]
E["三級散熱"] --> F["輔助開關MOSFET"]
G["溫度感測器1"] --> H["MCU"]
I["溫度感測器2"] --> H
H --> J["風扇控制"]
H --> K["功率降額"]
end
subgraph "電氣保護網路"
L["電流檢測"] --> M["比較器"]
M --> N["過流保護"]
N --> O["驅動關斷"]
P["電壓檢測"] --> Q["過壓保護"]
Q --> O
R["RC吸收"] --> S["電機端子"]
T["TVS陣列"] --> U["MOSFET柵極"]
V["穩壓管"] --> W["輔助開關柵極"]
end
subgraph "EMI抑制設計"
X["輸入端"] --> Y["π型濾波器"]
Y --> Z["電源匯流排"]
AA["電機端"] --> BB["並聯電容"]
CC["長導線"] --> DD["磁珠濾波"]
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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