graph TB
subgraph "三相逆变桥拓扑"
A[高压直流母线800VDC] --> B[直流母线电容]
B --> C[三相逆变桥]
subgraph "IGBT三相桥臂"
U_PHASE["U相上管 \n VBP112MI75"]
U_N_PHASE["U相下管 \n VBP112MI75"]
V_PHASE["V相上管 \n VBP112MI75"]
V_N_PHASE["V相下管 \n VBP112MI75"]
W_PHASE["W相上管 \n VBP112MI75"]
W_N_PHASE["W相下管 \n VBP112MI75"]
end
C --> U_PHASE
C --> U_N_PHASE
C --> V_PHASE
C --> V_N_PHASE
C --> W_PHASE
C --> W_N_PHASE
U_PHASE --> D[U相输出]
U_N_PHASE --> D
V_PHASE --> E[V相输出]
V_N_PHASE --> E
W_PHASE --> F[W相输出]
W_N_PHASE --> F
end
subgraph "驱动与保护电路"
G[隔离栅极驱动器] --> U_PHASE
G --> U_N_PHASE
G --> V_PHASE
G --> V_N_PHASE
G --> W_PHASE
G --> W_N_PHASE
H[电流传感器] --> I[过流保护]
J[DESAT检测电路] --> K[故障锁存]
I --> K
K --> L[快速关断]
L --> G
end
subgraph "散热系统"
M[液冷板] --> U_PHASE
M --> V_PHASE
M --> W_PHASE
N[导热硅脂] --> O[TO247封装]
O --> P[散热器基板]
end
subgraph "输出滤波"
D --> Q[三相滤波电感]
E --> Q
F --> Q
Q --> R[电机端子]
R --> S[推进电机]
end
style U_PHASE fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#fce4ec,stroke:#e91e63,stroke-width:2px
高压DC-DC与配电管理拓扑详图
graph LR
subgraph "隔离LLC DC-DC转换器"
A[高压输入400V] --> B[输入滤波]
B --> C[LLC谐振网络]
subgraph "全桥开关阵列"
Q1["VBPB15R18S \n 左上管"]
Q2["VBPB15R18S \n 右上管"]
Q3["VBPB15R18S \n 左下管"]
Q4["VBPB15R18S \n 右下管"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
Q1 --> D[变压器初级]
Q2 --> D
Q3 --> D
Q4 --> D
D --> E[高频变压器]
E --> F[同步整流级]
F --> G[输出滤波]
G --> H[28VDC输出]
end
subgraph "智能配电管理"
H --> I[配电总线]
subgraph "固态功率控制器(SSPC)"
J1["VBPB15R18S \n 通道1"]
J2["VBPB15R18S \n 通道2"]
J3["VBPB15R18S \n 通道3"]
J4["VBPB15R18S \n 通道4"]
end
I --> J1
I --> J2
I --> J3
I --> J4
J1 --> K1[航电负载1]
J2 --> K2[航电负载2]
J3 --> K3[航电负载3]
J4 --> K4[备份电源]
end
subgraph "控制与监控"
L[LLC控制器] --> M[全桥驱动器]
M --> Q1
M --> Q2
M --> Q3
M --> Q4
N[配电控制器] --> O[SSPC驱动器]
O --> J1
O --> J2
O --> J3
O --> J4
P[电流监测] --> Q[故障保护]
Q --> R[快速熔断器]
end
subgraph "热管理"
S[强制风冷] --> T[TO3P封装]
T --> U[散热片]
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
关键航电与伺服控制拓扑详图
graph TB
subgraph "低压大电流负载开关矩阵"
A[28VDC输入] --> B[输入滤波]
B --> C[功率分配总线]
subgraph "MOSFET开关阵列"
Q1["VBM1615A \n 通道1:飞控电源"]
Q2["VBM1615A \n 通道2:伺服驱动"]
Q3["VBM1615A \n 通道3:环控系统"]
Q4["VBM1615A \n 通道4:备份路径"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
Q1 --> D[飞控计算机]
Q2 --> E[舵机伺服电机]
Q3 --> F[泵阀执行器]
Q4 --> G[关键备份系统]
end
subgraph "驱动与控制"
H[主控制器DSP] --> I[电平转换]
I --> J[栅极驱动器]
J --> Q1
J --> Q2
J --> Q3
J --> Q4
K[负载电流检测] --> L[过载保护]
M[温度监控] --> N[过热保护]
L --> O[故障隔离]
N --> O
O --> P[快速关断]
P --> J
end
subgraph "伺服驱动拓扑"
E --> Q[H桥驱动电路]
subgraph "伺服H桥"
R1["VBM1615A \n 左上管"]
R2["VBM1615A \n 右上管"]
R3["VBM1615A \n 左下管"]
R4["VBM1615A \n 右下管"]
end
Q --> R1
Q --> R2
Q --> R3
Q --> R4
R1 --> S[伺服电机]
R2 --> S
R3 --> S
R4 --> S
end
subgraph "热管理"
T[PCB敷铜散热] --> U[TO220封装]
V[机箱风道] --> W[自然对流]
end
style Q1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style R1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBM1615A规格书
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