graph LR
subgraph "隔离型高压DC-DC变换器"
A["高压电池 \n 400VDC"] --> B["输入滤波"]
B --> C["全桥逆变电路"]
subgraph "SiC MOSFET全桥"
Q1["VBP165C40-4L \n 650V/40A"]
Q2["VBP165C40-4L \n 650V/40A"]
Q3["VBP165C40-4L \n 650V/40A"]
Q4["VBP165C40-4L \n 650V/40A"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
Q1 --> D["高频变压器"]
Q2 --> D
Q3 --> D
Q4 --> D
D --> E["同步整流"]
E --> F["输出滤波"]
F --> G["低压直流母线 \n 24VDC"]
H["SiC专用驱动器"] --> Q1
H --> Q2
H --> Q3
H --> Q4
I["DC-DC控制器"] --> H
end
subgraph "三相牵引电机逆变器"
J["高压直流母线"] --> K["三相逆变桥"]
subgraph "SiC三相桥臂"
Q_UH["VBP165C40-4L \n (U相上管)"]
Q_UL["VBP165C40-4L \n (U相下管)"]
Q_VH["VBP165C40-4L \n (V相上管)"]
Q_VL["VBP165C40-4L \n (V相下管)"]
Q_WH["VBP165C40-4L \n (W相上管)"]
Q_WL["VBP165C40-4L \n (W相下管)"]
end
K --> Q_UH
K --> Q_UL
K --> Q_VH
K --> Q_VL
K --> Q_WH
K --> Q_WL
Q_UH --> L["电机U相"]
Q_UL --> M["逆变器地"]
Q_VH --> N["电机V相"]
Q_VL --> M
Q_WH --> O["电机W相"]
Q_WL --> M
P["电机控制器"] --> Q["三相预驱动器"]
Q --> Q_UH
Q --> Q_UL
Q --> Q_VH
Q --> Q_VL
Q --> Q_WH
Q --> Q_WL
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_UH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
SGT低压电机驱动拓扑详图
graph TB
subgraph "转向电机H桥驱动"
A["低压24V总线"] --> B["转向电机控制器"]
B --> C["H桥驱动电路"]
subgraph "H桥MOSFET"
Q_S1["VBGE1108N \n 上管1"]
Q_S2["VBGE1108N \n 下管1"]
Q_S3["VBGE1108N \n 上管2"]
Q_S4["VBGE1108N \n 下管2"]
end
C --> Q_S1
C --> Q_S2
C --> Q_S3
C --> Q_S4
Q_S1 --> D["电机端子A"]
Q_S2 --> E["驱动地"]
Q_S3 --> F["电机端子B"]
Q_S4 --> E
D --> G["转向电机"]
F --> G
H["预驱芯片"] --> Q_S1
H --> Q_S2
H --> Q_S3
H --> Q_S4
B --> H
end
subgraph "提升电机H桥驱动"
I["低压24V总线"] --> J["提升电机控制器"]
J --> K["H桥驱动电路"]
subgraph "H桥MOSFET"
Q_L1["VBGE1108N \n 上管1"]
Q_L2["VBGE1108N \n 下管1"]
Q_L3["VBGE1108N \n 上管2"]
Q_L4["VBGE1108N \n 下管2"]
end
K --> Q_L1
K --> Q_L2
K --> Q_L3
K --> Q_L4
Q_L1 --> L["电机端子A"]
Q_L2 --> M["驱动地"]
Q_L3 --> N["电机端子B"]
Q_L4 --> M
L --> O["提升电机"]
N --> O
P["预驱芯片"] --> Q_L1
P --> Q_L2
P --> Q_L3
P --> Q_L4
J --> P
end
style Q_S1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_L1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
高压管理与热保护拓扑详图
graph LR
subgraph "高压预充电与负载管理"
A["高压电池+"] --> B["主接触器"]
B --> C["高压直流母线"]
C --> D["预充电电阻"]
D --> E["预充电继电器"]
E --> F["直流母线电容"]
subgraph "预充电控制开关"
Q_PRE["VBM16R20 \n 600V/20A"]
end
G["BMS/VCU"] --> H["驱动电路"]
H --> Q_PRE
Q_PRE --> E
F --> I["负载分配节点"]
subgraph "辅助负载开关阵列"
J["空调压缩机开关"] --> Q_AC["VBM16R20"]
K["PTC加热器开关"] --> Q_PTC["VBM16R20"]
L["液压泵开关"] --> Q_PUMP["VBM16R20"]
end
I --> Q_AC
I --> Q_PTC
I --> Q_PUMP
Q_AC --> M["空调压缩机"]
Q_PTC --> N["PTC加热器"]
Q_PUMP --> O["液压泵电机"]
end
subgraph "三级热管理与保护"
subgraph "一级热管理: SiC功率模块"
P["液冷板"] --> Q["SiC MOSFET"]
R["温度传感器1"] --> S["VCU"]
end
subgraph "二级热管理: SGT驱动MOSFET"
T["风冷散热器"] --> U["SGT MOSFET"]
V["温度传感器2"] --> S
end
subgraph "三级热管理: 高压开关"
W["PCB敷铜散热"] --> X["VBM16R20"]
Y["温度传感器3"] --> S
end
subgraph "电气保护网络"
Z1["RC缓冲电路"] --> AA["SiC开关管"]
Z2["TVS阵列"] --> AB["栅极驱动器"]
Z3["续流二极管"] --> AC["电机H桥"]
Z4["电流检测"] --> AD["比较器"]
AD --> AE["故障锁存"]
AE --> AF["全局关断"]
end
S --> AG["风扇PWM控制"]
S --> AH["泵速控制"]
AG --> AI["冷却风扇"]
AH --> AJ["液冷泵"]
end
style Q_PRE fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style U fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBP165C40-4L规格书
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