graph LR
subgraph "LLC諧振轉換級"
A["380VDC輸入"] --> B["輸入濾波電容"]
B --> C["LLC諧振腔"]
C --> D["高頻變壓器初級"]
D --> E["初級側開關節點"]
E --> F["VBP165R11S \n 初級開關管"]
F --> G["初級地"]
H["LLC控制器"] --> I["隔離柵極驅動器"]
I --> F
D -->|電流回饋| H
end
subgraph "同步整流級"
J["變壓器次級"] --> K["同步整流橋"]
subgraph "同步整流MOSFET"
M1["同步整流管1"]
M2["同步整流管2"]
end
K --> M1
K --> M2
M1 --> L["輸出濾波電感"]
M2 --> N["輸出地"]
L --> O["輸出濾波電容"]
O --> P["12VDC輸出"]
Q["同步整流控制器"] --> R["柵極驅動器"]
R --> M1
R --> M2
end
subgraph "保護電路"
S["RCD緩衝電路"] --> F
T["過流檢測"] --> U["保護邏輯"]
U --> V["故障關斷"]
V --> F
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
點負載(PoL)多相Buck拓撲詳圖
graph TB
subgraph "單相Buck轉換器"
A["12V輸入"] --> B["上橋開關管"]
B --> C["開關節點"]
C --> D["VBE2317同步整流管"]
D --> E["輸出電感"]
E --> F["輸出電容"]
F --> G["負載(CPU/GPU)"]
H["多相控制器"] --> I["上橋驅動器"]
H --> J["下橋驅動器"]
I --> B
J --> D
end
subgraph "四相並聯結構"
PHASE1["相位1"] --> LOAD1["負載1"]
PHASE2["相位2"] --> LOAD1
PHASE3["相位3"] --> LOAD2["負載2"]
PHASE4["相位4"] --> LOAD2
end
subgraph "均流與監控"
K["電流檢測"] --> L["均流控制器"]
L --> M["相位交錯控制"]
M --> PHASE1
M --> PHASE2
M --> PHASE3
M --> PHASE4
N["溫度感測器"] --> O["熱管理單元"]
O --> P["動態相位管理"]
P --> L
end
subgraph "PCB散熱設計"
Q["大面積功率銅層"] --> D
R["散熱過孔陣列"] --> Q
S["導熱墊"] --> T["散熱器/冷板"]
Q --> S
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style B fill:#ffebee,stroke:#f44336,stroke-width:2px
智能風扇驅動拓撲詳圖
graph LR
subgraph "單路風扇驅動"
A["PWM控制信號"] --> B["電平轉換"]
B --> C["柵極驅動電阻"]
C --> D["VBFB1252M驅動管"]
E["12V/24V電源"] --> D
D --> F["風扇電機"]
F --> G["地"]
end
subgraph "保護電路"
H["反電動勢吸收"] --> F
subgraph "TVS保護陣列"
TVS1["TVS管1"]
TVS2["TVS管2"]
end
TVS1 --> D
TVS2 --> F
I["電流檢測"] --> J["過流保護"]
J --> K["關斷控制"]
K --> D
end
subgraph "風扇陣列分組控制"
L["溫度感測器1"] --> M["BMC熱管理"]
L2["溫度感測器2"] --> M
L3["溫度感測器3"] --> M
M --> N["風扇策略引擎"]
N --> O["PWM生成器"]
O --> GROUP1["風扇組1 PWM"]
O --> GROUP2["風扇組2 PWM"]
O --> GROUP3["風扇組3 PWM"]
GROUP1 --> FAN_GROUP1["風扇1-4"]
GROUP2 --> FAN_GROUP2["風扇5-8"]
GROUP3 --> FAN_GROUP3["風扇9-12"]
end
subgraph "冗餘設計"
P["主驅動通道"] --> Q["風扇負載"]
R["備用驅動通道"] --> Q
S["故障檢測"] --> T["自動切換"]
T --> P
T --> R
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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