graph LR
subgraph "雙通道電源路徑管理"
A[12V電源輸入] --> B["VBQD3222U \n Channel 1"]
A --> C["VBQD3222U \n Channel 2"]
B --> D[SoC/FPGA核心供電]
C --> E[通信模組供電]
F[MCU GPIO1] --> G[電平匹配]
G --> H["柵極驅動 \n Rg=10Ω"]
H --> B
I[MCU GPIO2] --> J[電平匹配]
J --> K["柵極驅動 \n Rg=10Ω"]
K --> C
L[3.3V邏輯電源] --> G
L --> J
end
subgraph "電源時序控制邏輯"
M[MCU固件] --> N["上電序列控制"]
N --> O["Channel 1使能"]
N --> P["Channel 2使能 \n (延遲100ms)"]
O --> F
P --> I
Q[電流檢測] --> R[過流保護]
R --> S[故障關斷]
S --> B
S --> C
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
場景2: 感測器與介面供電控制詳圖
graph TB
subgraph "高側P-MOS開關陣列"
A[5V電源軌] --> B["VBK8238-1 \n P-MOS \n SC70-6封裝"]
C[3.3V電源軌] --> D["VBK8238-2 \n P-MOS \n SC70-6封裝"]
B --> E["感測器組1 \n 攝像頭/雷達"]
D --> F["感測器組2 \n 溫濕度/光照"]
G[MCU GPIO3] --> H["直接驅動 \n Rg=100Ω"]
H --> B
I[MCU GPIO4] --> J["直接驅動 \n Rg=100Ω"]
J --> D
end
subgraph "智能供電管理"
K[MCU固件] --> L["感測器輪詢調度"]
L --> M["按需供電控制"]
M --> N["組1: 事件觸發"]
M --> O["組2: 定時採樣"]
N --> G
O --> I
P[電流檢測] --> Q[過流保護]
Q --> R[自動關斷]
R --> B
R --> D
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
場景3: 執行機構驅動控制詳圖
graph LR
subgraph "高功率N-MOS驅動電路"
A[24V電源輸入] --> B["VBGQF1208N \n N-MOS \n DFN8(3x3)"]
B --> C[感性負載]
C --> D[散熱風扇]
C --> E[繼電器線圈]
F[MCU PWM] --> G["柵極驅動器 \n 10-12V驅動"]
G --> H["柵極電阻 \n Rg=22Ω"]
H --> B
I[12V驅動電源] --> G
end
subgraph "保護與緩衝網路"
J["RC吸收電路 \n R=47Ω, C=1nF"] --> B
K["TVS二極體 \n SMCJ24A"] --> B
L["反並聯二極體 \n 1N5819"] --> C
M[電流檢測] --> N[比較器]
N --> O[過流鎖存]
O --> P[驅動關斷]
P --> G
end
subgraph "PWM調速控制"
Q[MCU溫度監測] --> R[PID演算法]
R --> S[PWM占空比調節]
S --> F
T[轉速回饋] --> R
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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