graph TB
subgraph "多相VRM架構"
A[12V直流輸入] --> B[輸入電容陣列]
B --> C[多相控制器]
C --> D[相位1驅動]
C --> E[相位2驅動]
C --> F[相位3驅動]
C --> G[相位4驅動]
C --> H[相位5驅動]
C --> I[相位6驅動]
subgraph "相位1功率級"
direction LR
D --> J1["VBGQA1302 \n 上管"]
D --> J2["VBGQA1302 \n 下管"]
end
subgraph "相位2功率級"
direction LR
E --> K1["VBGQA1302 \n 上管"]
E --> K2["VBGQA1302 \n 下管"]
end
subgraph "相位3功率級"
direction LR
F --> L1["VBGQA1302 \n 上管"]
F --> L2["VBGQA1302 \n 下管"]
end
J1 --> M[輸出電感]
K1 --> M
L1 --> M
J2 --> N[地]
K2 --> N
L2 --> N
M --> O[輸出電容陣列]
O --> P[CPU Vcore \n 0.8-1.8V/300A]
subgraph "相位4-6 GPU供電"
direction LR
G --> Q["相位4 \n VBGQA1302"]
H --> R["相位5 \n VBGQA1302"]
I --> S["相位6 \n VBGQA1302"]
end
Q --> T[GPU輸出電感]
R --> T
S --> T
T --> U[GPU Vcore \n 0.8-1.8V/400A]
end
subgraph "監控與保護"
V[電流檢測] --> W[差分放大器]
W --> X[ADC]
X --> C
Y[溫度感測器] --> Z[熱管理IC]
Z --> C
AA[電壓回饋] --> C
end
style J1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
48V中間匯流排轉換器(IBC)拓撲詳圖
graph LR
subgraph "48V輸入與濾波"
A[48V直流匯流排] --> B[EMI濾波器]
B --> C[輸入電容組]
end
subgraph "LLC諧振變換級"
C --> D[全橋LLC拓撲]
subgraph "高壓側全橋"
direction TB
E1["VBP165R38SFD \n Q1"]
E2["VBP165R38SFD \n Q2"]
E3["VBP165R38SFD \n Q3"]
E4["VBP165R38SFD \n Q4"]
end
D --> E1
D --> E2
D --> E3
D --> E4
E1 --> F[諧振電感Lr]
E2 --> F
E3 --> F
E4 --> F
F --> G[諧振電容Cr]
G --> H[高頻變壓器初級]
H --> I[變壓器次級]
end
subgraph "同步整流與輸出"
I --> J[同步整流橋]
subgraph "同步整流MOSFET"
direction TB
K1["SR MOSFET 1"]
K2["SR MOSFET 2"]
K3["SR MOSFET 3"]
K4["SR MOSFET 4"]
end
J --> K1
J --> K2
J --> K3
J --> K4
K1 --> L[輸出濾波]
K2 --> L
K3 --> L
K4 --> L
L --> M[12V直流輸出]
end
subgraph "控制與保護"
N[LLC控制器] --> O[隔離驅動器]
O --> E1
O --> E2
O --> E3
O --> E4
P[同步整流控制器] --> Q[同步整流驅動器]
Q --> K1
Q --> K2
Q --> K3
Q --> K4
R[過流保護] --> N
S[過溫保護] --> N
end
style E1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
熱插拔與負載開關控制拓撲詳圖
graph TB
subgraph "智能負載開關通道1"
A1[12V電源輸入] --> B1[輸入濾波]
B1 --> C1["VBQA3405 \n 通道1"]
C1 --> D1[電流檢測]
D1 --> E1[PCIe插槽1]
subgraph C1 ["VBQA3405 雙路N-MOS"]
direction LR
IN1[柵極控制1]
S1[源極1]
D1_1[漏極1]
end
F1[熱插拔控制器] --> G1[電平轉換]
G1 --> IN1
D1_1 --> E1
S1 --> H1[地]
end
subgraph "智能負載開關通道2"
A2[12V電源輸入] --> B2[輸入濾波]
B2 --> C2["VBQA3405 \n 通道2"]
C2 --> D2[電流檢測]
D2 --> E2[記憶體模組]
subgraph C2 ["VBQA3405 雙路N-MOS"]
direction LR
IN2[柵極控制2]
S2[源極2]
D2_1[漏極2]
end
F2[熱插拔控制器] --> G2[電平轉換]
G2 --> IN2
D2_1 --> E2
S2 --> H2[地]
end
subgraph "智能負載開關通道3"
A3[12V電源輸入] --> B3[輸入濾波]
B3 --> C3["VBQA3405 \n 通道3"]
C3 --> D3[電流檢測]
D3 --> E3[存儲設備]
subgraph C3 ["VBQA3405 雙路N-MOS"]
direction LR
IN3[柵極控制3]
S3[源極3]
D3_1[漏極3]
end
F3[熱插拔控制器] --> G3[電平轉換]
G3 --> IN3
D3_1 --> E3
S3 --> H3[地]
end
subgraph "保護與控制邏輯"
I[MCU/BMC] --> J[故障檢測邏輯]
J --> K[緩啟動控制]
K --> F1
K --> F2
K --> F3
L[溫度監控] --> M[過溫保護]
M --> J
N[電流限制] --> O[電子熔斷器]
O --> J
P[電壓監控] --> Q[過壓/欠壓保護]
Q --> J
end
style C1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C2 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C3 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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