graph LR
subgraph "單軸H橋驅動拓撲"
A[直流母線 48-200VDC] --> B[H橋驅動電路]
subgraph B ["H橋臂結構"]
direction TB
C["VBP1254N \n 高端上管"]
D["VBP1254N \n 高端下管"]
E["VBP1254N \n 低端上管"]
F["VBP1254N \n 低端下管"]
end
C --> G[電機正端]
D --> G
E --> H[電機負端]
F --> H
G --> I[伺服電機]
H --> I
J[PWM控制器] --> K[半橋驅動器]
K --> C
K --> D
L[PWM控制器] --> M[半橋驅動器]
M --> E
M --> F
end
subgraph "動態回應優化"
N[電流指令] --> O[PI控制器]
O --> J
O --> L
I --> P[電流感測器]
P --> Q[電流回饋]
Q --> O
I --> R[位置編碼器]
R --> S[位置回饋]
S --> T[位置環控制器]
T --> N
end
subgraph "保護電路"
U[RCD緩衝電路] --> C
V[RC吸收電路] --> G
W[TVS保護] --> K
X[過流比較器] --> Y[故障鎖存]
P --> X
Y --> Z[關斷信號]
Z --> J
Z --> L
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#ffebee,stroke:#f44336,stroke-width:2px
graph LR
subgraph "三級熱管理系統"
A["一級熱管理"] --> B["主驅動MOSFET \n VBP1254N"]
subgraph A ["液冷/強制風冷"]
direction LR
COPPER_BASE["銅基板"]
HEAT_PIPE["熱管陣列"]
LIQUID_COLD_PLATE["液冷板"]
FAN_COOLING["強制風冷"]
end
C["二級熱管理"] --> D["高壓輔助MOSFET \n VBMB17R12"]
subgraph C ["獨立風道散熱"]
INSULATION_PAD["絕緣導熱墊"]
FIN_HEATSINK["鰭片散熱器"]
SEPARATE_DUCT["獨立風道"]
end
E["三級熱管理"] --> F["分佈式執行器 \n VBQA2309"]
subgraph E ["PCB級散熱"]
PCB_COPPER["2oz銅箔"]
THERMAL_VIAS["散熱過孔陣列"]
GROUND_PLANE["內部接地層"]
MODULE_HOUSING["模組外殼"]
end
end
subgraph "EMC設計與信號保護"
G[主功率回路] --> H[共模扼流圈]
H --> I[X/Y電容]
I --> J[濾波器輸出]
subgraph "接地策略"
STAR_POINT["星點接地"]
POWER_GND["功率地"]
DIGITAL_GND["數字地"]
ANALOG_GND["模擬地"]
end
K[敏感信號] --> L[遮罩雙絞線]
L --> M[差分接收]
subgraph "遮罩與隔離"
METAL_CHASSIS["金屬機箱"]
EMI_GASKET["EMI彈片"]
PHYSICAL_SEPARATION["物理隔離"]
OPTICAL_ISOLATION["光耦隔離"]
end
end
subgraph "可靠性增強設計"
N["關斷電壓尖峰"] --> O["RCD緩衝電路"]
O --> P["主開關管"]
Q["感性負載"] --> R["續流二極體"]
R --> Q
S["柵極驅動"] --> T["TVS保護"]
T --> S
U[電流檢測] --> V[硬體比較器]
V --> W[快速關斷]
X[溫度監測] --> Y[過溫保護]
Y --> Z[降額控制]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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