graph LR
subgraph "高压输入与保护"
A[高压电池输入] --> B[输入滤波器]
B --> C[预充电电路]
C --> D[输入电容]
end
subgraph "双有源桥DAB拓扑"
D --> E["全桥逆变级 \n Q1-Q4"]
subgraph "高压侧开关阵列"
Q1["VBPB112MI40 \n IGBT"]
Q2["VBPB112MI40 \n IGBT"]
Q3["VBPB112MI40 \n IGBT"]
Q4["VBPB112MI40 \n IGBT"]
end
E --> Q1
E --> Q2
E --> Q3
E --> Q4
Q1 --> F[谐振电感]
Q2 --> F
Q3 --> F
Q4 --> F
F --> G[高频变压器]
subgraph "缓冲保护网络"
H[RCD缓冲电路]
I[TVS保护阵列]
J[吸收电容]
end
H --> Q1
I --> Q1
J --> Q1
end
subgraph "次级侧与输出"
G --> K[同步整流桥]
K --> L[输出滤波器]
L --> M[低压直流输出]
subgraph "控制与反馈"
N[LLC控制器]
O[电压反馈]
P[电流反馈]
Q[温度监测]
end
O --> N
P --> N
Q --> N
N --> R[栅极驱动器]
R --> E
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主驱逆变与负载管理拓扑详图
graph TB
subgraph "三相逆变器功率级"
A[高压直流输入] --> B[直流母线电容]
B --> C[三相逆变桥]
subgraph "U相桥臂"
U_HIGH["上管MOSFET"]
U_LOW["VBGED1601 \n 下管MOSFET"]
end
subgraph "V相桥臂"
V_HIGH["上管MOSFET"]
V_LOW["VBGED1601 \n 下管MOSFET"]
end
subgraph "W相桥臂"
W_HIGH["上管MOSFET"]
W_LOW["VBGED1601 \n 下管MOSFET"]
end
C --> U_HIGH
C --> U_LOW
C --> V_HIGH
C --> V_LOW
C --> W_HIGH
C --> W_LOW
U_HIGH --> D[U相输出]
U_LOW --> E[功率地]
V_HIGH --> F[V相输出]
V_LOW --> E
W_HIGH --> G[W相输出]
W_LOW --> E
D --> H[三相电机]
F --> H
G --> H
end
subgraph "智能负载开关阵列"
I[低压电源总线] --> J[配电管理芯片]
subgraph "双P-MOS负载开关"
SW1["VBGQA2403 \n 通道1"]
SW2["VBGQA2403 \n 通道2"]
SW3["VBGQA2403 \n 通道3"]
SW4["VBGQA2403 \n 通道4"]
end
J --> SW1
J --> SW2
J --> SW3
J --> SW4
SW1 --> K[负载1]
SW2 --> L[负载2]
SW3 --> M[负载3]
SW4 --> N[负载4]
subgraph "驱动与保护"
O[预驱芯片]
P[电流检测]
Q[温度检测]
R[故障反馈]
end
O --> U_LOW
P --> J
Q --> J
R --> J
end
style U_LOW fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style V_LOW fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style W_LOW fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与系统保护拓扑详图
graph LR
subgraph "三级热管理架构"
subgraph "一级热源 - 主动液冷"
A["液冷板组件"] --> B["VBGED1601 MOSFET"]
A --> C["主驱逆变模块"]
D[液冷泵] --> A
E[散热器] --> A
end
subgraph "二级热源 - 强制风冷"
F["风冷散热器"] --> G["VBPB112MI40 IGBT"]
F --> H["OBC/DCDC模块"]
I[冷却风扇] --> F
end
subgraph "三级热源 - 自然冷却"
J["PCB敷铜层"] --> K["VBGQA2403开关"]
J --> L["控制IC"]
M[散热孔阵] --> J
end
end
subgraph "温度监测网络"
N["NTC温度传感器"] --> O["温度采集电路"]
O --> P["MCU ADC接口"]
subgraph "监测点分布"
Q["IGBT模块基板"]
R["MOSFET散热器"]
S["PCB热点区域"]
T["环境温度"]
end
Q --> N
R --> N
S --> N
T --> N
end
subgraph "电气保护电路"
subgraph "电压保护"
U["TVS二极管阵列"]
V["稳压管箝位"]
W["RC吸收电路"]
end
subgraph "电流保护"
X["霍尔电流传感器"]
Y["分流电阻检测"]
Z["比较器电路"]
end
subgraph "故障处理"
AA["故障锁存器"]
BB["关断信号"]
CC["状态反馈"]
end
U --> G
V --> B
W --> B
X --> BB
Y --> BB
Z --> AA
AA --> BB
BB --> G
BB --> B
CC --> P
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBPB112MI40规格书
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