graph LR
subgraph "三相全桥拓扑"
A["直流母线 \n 200-800VDC"] --> B["上桥臂开关"]
A --> C["下桥臂开关"]
subgraph "上桥臂"
Q_U1["VBL765C30K \n SiC MOSFET"]
Q_U2["VBL765C30K \n SiC MOSFET"]
Q_U3["VBL765C30K \n SiC MOSFET"]
end
subgraph "下桥臂"
Q_L1["VBL765C30K \n SiC MOSFET"]
Q_L2["VBL765C30K \n SiC MOSFET"]
Q_L3["VBL765C30K \n SiC MOSFET"]
end
B --> Q_U1
B --> Q_U2
B --> Q_U3
C --> Q_L1
C --> Q_L2
C --> Q_L3
Q_U1 --> D["U相输出"]
Q_U2 --> E["V相输出"]
Q_U3 --> F["W相输出"]
Q_L1 --> GND_PRI["功率地"]
Q_L2 --> GND_PRI
Q_L3 --> GND_PRI
D --> H["三相交流输出 \n 380V/690VAC"]
E --> H
F --> H
end
subgraph "驱动与保护"
I["SiC专用驱动器"] --> J["+18V/-3V驱动"]
J --> Q_U1
J --> Q_L1
K["电压传感器"] --> L["控制器"]
M["电流传感器"] --> L
N["温度传感器"] --> L
L --> I
subgraph "保护网络"
O["RC吸收电路"]
P["TVS保护"]
Q["门极电阻"]
end
O --> Q_U1
P --> J
Q --> J
end
style Q_U1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_L1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
BMS充放电控制拓扑详图
graph TB
subgraph "主回路充放电控制"
A["电池正极"] --> B["充电控制MOSFET"]
A --> C["放电控制MOSFET"]
B --> D["系统正极"]
C --> D
subgraph "充电开关"
Q_CHG1["VBE1202 \n 120A/3.5mΩ"]
Q_CHG2["VBE1202 \n 120A/3.5mΩ"]
end
subgraph "放电开关"
Q_DIS1["VBE1202 \n 120A/3.5mΩ"]
Q_DIS2["VBE1202 \n 120A/3.5mΩ"]
end
B --> Q_CHG1
B --> Q_CHG2
C --> Q_DIS1
C --> Q_DIS2
Q_CHG1 --> E["充电回路"]
Q_CHG2 --> E
Q_DIS1 --> F["放电回路"]
Q_DIS2 --> F
E --> G["直流母线"]
F --> G
end
subgraph "主动均衡电路"
H["电池单体1"] --> I["均衡开关1"]
H --> J["均衡开关2"]
subgraph "均衡开关阵列"
EQ1["VBBD1330D \n 30V/6.7A"]
EQ2["VBBD1330D \n 30V/6.7A"]
EQ3["VBBD1330D \n 30V/6.7A"]
EQ4["VBBD1330D \n 30V/6.7A"]
end
I --> EQ1
J --> EQ2
EQ1 --> K["均衡变压器"]
EQ2 --> K
K --> L["均衡能量转移"]
L --> M["需要均衡的电池"]
end
subgraph "监测与控制"
N["BMS AFE芯片"] --> O["驱动电路"]
O --> Q_CHG1
O --> Q_DIS1
P["电压检测"] --> N
Q["电流检测"] --> N
R["温度检测"] --> N
N --> S["主控制器"]
end
style Q_CHG1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_DIS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style EQ1 fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
辅助电源与热管理拓扑详图
graph LR
subgraph "辅助电源DC/DC变换"
A["24V辅助母线"] --> B["Buck变换器"]
subgraph "主开关与同步整流"
Q_MAIN["VBBD1330D \n 主开关"]
Q_SR["VBBD1330D \n 同步整流"]
end
B --> Q_MAIN
B --> Q_SR
Q_MAIN --> C["电感"]
C --> D["输出电容"]
Q_SR --> E["功率地"]
D --> F["12V输出"]
F --> G["控制电路"]
F --> H["传感器"]
end
subgraph "热管理系统"
I["温度传感器阵列"] --> J["温度监控"]
J --> K["冷却控制"]
subgraph "三级冷却"
L1["一级: 液冷板 \n SiC MOSFET"]
L2["二级: 风冷散热器 \n BMS MOSFET"]
L3["三级: PCB敷铜 \n 辅助器件"]
end
K --> M["液冷泵控制"]
K --> N["风扇PWM控制"]
M --> O["液冷泵"]
N --> P["散热风扇"]
O --> L1
P --> L2
end
subgraph "保护与监测"
Q["过流保护"] --> R["故障锁存"]
S["过温保护"] --> R
T["短路保护"] --> R
R --> U["系统关断"]
U --> Q_MAIN
U --> V["主接触器"]
subgraph "TVS保护阵列"
W1["高压TVS"]
W2["低压TVS"]
W3["门极TVS"]
end
W1 --> X["SiC MOSFET"]
W2 --> Y["BMS MOSFET"]
W3 --> Z["驱动器芯片"]
end
style Q_MAIN fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_SR fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBE1202规格书
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