graph TB
subgraph "三相全橋逆變/PFC拓撲"
A[三相380VAC輸入] --> B[EMI濾波器]
B --> C[電流感測器]
C --> D[三相全橋]
subgraph "高壓MOSFET橋臂"
Q_U1["VBE16R15S \n 上管"]
Q_U2["VBE16R15S \n 上管"]
Q_U3["VBE16R15S \n 上管"]
Q_L1["VBE16R15S \n 下管"]
Q_L2["VBE16R15S \n 下管"]
Q_L3["VBE16R15S \n 下管"]
end
D --> Q_U1
D --> Q_U2
D --> Q_U3
Q_U1 --> DC_BUS_P["直流母線正極"]
Q_U2 --> DC_BUS_P
Q_U3 --> DC_BUS_P
Q_L1 --> DC_BUS_N["直流母線負極"]
Q_L2 --> DC_BUS_N
Q_L3 --> DC_BUS_N
E[隔離驅動晶片] --> Q_U1
E --> Q_U2
E --> Q_U3
F[非隔離驅動晶片] --> Q_L1
F --> Q_L2
F --> Q_L3
G[數字控制器DSP] --> E
G --> F
DC_BUS_P --> H[直流母線電容]
DC_BUS_N --> H
end
subgraph "保護與緩衝電路"
I[RCD緩衝電路] --> Q_U1
J[RC吸收電路] --> Q_L1
K[TVS保護陣列] --> E
K --> F
L[電壓霍爾感測器] --> DC_BUS_P
M[電流霍爾感測器] --> C
L --> G
M --> G
end
style Q_U1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_L1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電池端雙向DC-DC變換拓撲詳圖
graph LR
subgraph "雙向Buck-Boost變換器"
A[高壓直流母線] --> B[功率電感]
B --> C[開關節點]
subgraph "同步整流功率對管"
Q_H1["VBGQA1803 \n 高壓側開關"]
Q_H2["VBGQA1803 \n 高壓側開關"]
Q_L1["VBGQA1803 \n 低壓側開關"]
Q_L2["VBGQA1803 \n 低壓側開關"]
end
C --> Q_H1
C --> Q_H2
Q_H1 --> D[輸出濾波電容]
Q_H2 --> D
Q_L1 --> E[電池側負極]
Q_L2 --> E
C --> Q_L1
C --> Q_L2
F[高速柵極驅動器] --> Q_H1
F --> Q_H2
F --> Q_L1
F --> Q_L2
G[DC-DC控制器] --> F
D --> H[電池匯流排48V/72V]
H --> I[電池組連接器]
end
subgraph "保護與檢測電路"
J[電流檢測電阻] --> Q_L1
K[溫度感測器NTC] --> Q_H1
L[電壓檢測分壓] --> H
M[過流比較器] --> J
N[故障鎖存] --> M
N --> O[關斷信號]
O --> F
end
subgraph "PCB熱設計"
P[大面積功率敷銅] --> Q_H1
P --> Q_H2
P --> Q_L1
P --> Q_L2
Q[散熱過孔陣列] --> P
R[底部散熱焊盤] --> Q_H1
R --> Q_H2
end
style Q_H1 fill:#ffebee,stroke:#f44336,stroke-width:2px
style Q_L1 fill:#ffebee,stroke:#f44336,stroke-width:2px
智能負載與電池管理拓撲詳圖
graph TB
subgraph "電池均衡管理"
A[電池組正極] --> B[均衡電阻陣列]
subgraph "均衡開關陣列"
SW_BAL1_CH1["VBA3104N通道1"]
SW_BAL1_CH2["VBA3104N通道2"]
SW_BAL2_CH1["VBA3104N通道1"]
SW_BAL2_CH2["VBA3104N通道2"]
end
B --> SW_BAL1_CH1
B --> SW_BAL1_CH2
B --> SW_BAL2_CH1
B --> SW_BAL2_CH2
SW_BAL1_CH1 --> C[電池單體1]
SW_BAL1_CH2 --> D[電池單體2]
SW_BAL2_CH1 --> E[電池單體3]
SW_BAL2_CH2 --> F[電池單體4]
G[BMS主控] --> SW_BAL1_CH1
G --> SW_BAL1_CH2
G --> SW_BAL2_CH1
G --> SW_BAL2_CH2
end
subgraph "負載切換管理"
H[主控制器MCU] --> I[電平轉換電路]
I --> J[負載開關陣列]
subgraph "雙路負載開關"
SW_LOAD1["VBA3104N雙路"]
SW_LOAD2["VBA3104N雙路"]
end
J --> SW_LOAD1
J --> SW_LOAD2
SW_LOAD1 --> K[生產線設備1]
SW_LOAD1 --> L[生產線設備2]
SW_LOAD2 --> M[生產線設備3]
SW_LOAD2 --> N[生產線設備4]
O[輔助電源12V] --> SW_LOAD1
O --> SW_LOAD2
end
subgraph "系統保護與監控"
P[電壓檢測] --> C
P --> D
P --> E
P --> F
Q[溫度檢測] --> C
Q --> D
Q --> E
Q --> F
R[電流檢測] --> K
R --> L
R --> M
R --> N
P --> G
Q --> G
R --> H
end
style SW_BAL1_CH1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW_LOAD1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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