graph LR
subgraph "超薄渦輪風扇驅動"
A[MCU PWM輸出] --> B[風扇驅動IC]
B --> C[柵極驅動]
C --> D["VBQF1206 N-MOSFET \n 20V/58A"]
D --> E[風扇正極]
F[5V電源] --> D
E --> G[超薄渦輪風扇]
G --> H[風扇負極]
H --> I[地]
subgraph "速度控制與保護"
J[溫度感測器] --> K[MCU ADC]
K --> L[PID控制演算法]
L --> A
M[電流檢測電阻] --> N[比較器]
N --> O[過流保護]
O --> P[關斷信號]
P --> C
end
subgraph "EMC優化"
Q[輸入濾波電容] --> F
R[RC緩衝電路] --> D
S[肖特基二極體] --> D
end
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能負載開關管理拓撲詳圖
graph TB
subgraph "雙路P-MOS負載開關"
A[5V系統電源] --> B["VBA4625通道1"]
A --> C["VBA4625通道2"]
subgraph "VBA4625雙P-MOS內部"
direction LR
D1[柵極1]
D2[柵極2]
S1[源極1]
S2[源極2]
end
A --> S1
A --> S2
B --> D1
C --> D2
subgraph "控制電路"
E[MCU GPIO1] --> F[電平轉換]
F --> D1
G[MCU GPIO2] --> H[電平轉換]
H --> D2
end
subgraph "負載連接"
S1 --> I[紅外LED陣列]
S2 --> J[環形補光燈]
I --> K[地]
J --> K
end
end
subgraph "保護與檢測"
L[過流檢測電阻] --> I
M[過流檢測電阻] --> J
N[比較器] --> O[故障標誌]
O --> MCU
P[RC柵極濾波] --> D1
Q[RC柵極濾波] --> D2
end
style VBA4625 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
精密音圈馬達驅動拓撲詳圖
graph LR
subgraph "全橋VCM驅動"
A[VCM驅動晶片] --> B[高端驅動輸出]
A --> C[低端驅動輸出]
subgraph "高端驅動臂"
B --> D["VB3222 N-MOSFET1 \n 20V/6A"]
B --> E["VB3222 N-MOSFET2 \n 20V/6A"]
end
subgraph "低端驅動臂"
C --> F["VB3222 N-MOSFET3 \n 20V/6A"]
C --> G["VB3222 N-MOSFET4 \n 20V/6A"]
end
subgraph "H橋輸出"
D --> H[輸出節點A]
E --> I[輸出節點B]
F --> J[輸出節點C]
G --> K[輸出節點D]
end
H --> L[音圈馬達+]
I --> M[音圈馬達-]
J --> N[音圈馬達-]
K --> O[音圈馬達+]
subgraph "位置回饋"
P[霍爾感測器] --> Q[位置信號]
Q --> A
end
end
subgraph "保護電路"
R[續流二極體] --> L
S[續流二極體] --> M
T[電流檢測] --> U[過流保護]
U --> V[關斷信號]
V --> A
end
style VB3222 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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