graph LR
subgraph "電機驅動功率級"
A["系統電源12V/24V"] --> B["電機驅動IC DRV8870"]
B --> C["柵極驅動器"]
C --> D["VBQF1104N \n 100V/21A DFN8"]
D --> E["主振動電機"]
E --> F["電流採樣電阻"]
F --> G["地"]
H["PWM控制信號"] --> B
end
subgraph "保護與濾波網路"
I["RC吸收網路 \n R=10Ω C=100pF"] --> E
J["TVS管 \n SMBJ30A"] --> D
K["π型濾波器 \n L=10μH C=100μF"] --> A
L["溫度感測器 \n NTC 10K"] --> M["MCU ADC"]
end
subgraph "熱管理設計"
N["PCB敷銅面積≥150mm²"] --> D
O["散熱過孔陣列"] --> D
P["外殼散熱接觸"] --> D
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多路負載切換拓撲詳圖
graph TB
subgraph "MCU控制介面"
A["MCU GPIO"] --> B["柵極串聯電阻 \n 22-100Ω"]
B --> C["下拉電阻 \n 10kΩ"]
C --> D["地"]
end
subgraph "雙路MOSFET陣列"
E["VBQF3211 通道1"] --> F["振動馬達1"]
E["VBQF3211 通道1"] --> G["振動馬達2"]
H["VBQF3211 通道2"] --> I["振動馬達3"]
H["VBQF3211 通道2"] --> J["振動馬達4"]
K["VBQF3211 通道3"] --> L["加熱片"]
K["VBQF3211 通道3"] --> M["LED陣列"]
end
subgraph "保護電路"
N["肖特基二極體 \n 續流保護"] --> F
N --> G
N --> I
N --> J
O["ESD保護器件"] --> B
end
subgraph "電源分配"
P["系統電源匯流排"] --> Q["局部去耦電容 \n 100nF"]
Q --> E
Q --> H
Q --> K
end
subgraph "熱管理"
R["每路敷銅≥50mm²"] --> E
R --> H
R --> K
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
電源管理與保護拓撲詳圖
graph LR
subgraph "輸入保護與防反接"
A["外部適配器輸入"] --> B["π型濾波器"]
B --> C["TVS陣列 \n 過壓保護"]
C --> D["VBC6P2216 \n 防反接MOSFET"]
D --> E["系統電源匯流排"]
F["NPN電平轉換"] --> G["VBC6P2216 \n 主電源開關"]
G --> E
end
subgraph "鋰電池管理"
H["鋰電池組"] --> I["BMS保護IC"]
I --> J["VBC6P2216 \n 充電路徑管理"]
I --> K["VBC6P2216 \n 放電路徑管理"]
J --> E
K --> E
end
subgraph "輔助電源"
E --> L["LDO穩壓器 \n 5V/3.3V"]
L --> M["MCU供電"]
L --> N["感測器供電"]
L --> O["介面電路供電"]
end
subgraph "保護與監測"
P["過流檢測電路"] --> E
Q["溫度監測"] --> R["熱保護邏輯"]
R --> S["關斷控制"]
S --> G
T["靜電防護"] --> F
end
subgraph "熱設計"
U["敷銅散熱≥80mm²"] --> D
U --> G
U --> J
U --> K
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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