graph LR
subgraph "三相三电平PFC拓扑"
A["三相工业电网输入"] --> B["输入滤波器与浪涌保护"]
B --> C["三相整流桥"]
C --> D["直流母线电容"]
D --> E["PFC升压电感"]
E --> F["三电平开关节点"]
subgraph "高压MOSFET阵列"
Q_H1["VBL17R08SE \n 700V/8A"]
Q_H2["VBL17R08SE \n 700V/8A"]
Q_L1["VBL17R08SE \n 700V/8A"]
Q_L2["VBL17R08SE \n 700V/8A"]
end
F --> Q_H1
F --> Q_H2
Q_H1 --> G["高压直流母线+"]
Q_H2 --> G
Q_L1 --> H["中性点"]
Q_L2 --> H
Q_L1 --> I["PFC控制器反馈"]
Q_L2 --> I
J["PFC控制DSP"] --> K["隔离栅极驱动器"]
K --> Q_H1
K --> Q_H2
K --> Q_L1
K --> Q_L2
end
subgraph "保护与监控"
L["电压采样"] --> M["过压/欠压保护"]
N["电流采样"] --> O["过流/短路保护"]
P["温度采样"] --> Q["过热保护"]
R["RCD吸收电路"] --> Q_H1
S["RC缓冲电路"] --> Q_L1
T["门极TVS保护"] --> K
end
style Q_H1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
双向DC-DC变换级详细拓扑图
graph TB
subgraph "双向LLC/DAB变换器"
A["高压直流母线"] --> B["初级侧谐振电容"]
B --> C["高频变压器初级"]
C --> D["初级侧开关节点"]
subgraph "初级侧MOSFET"
Q_P1["高压MOSFET \n 可选SiC"]
Q_P2["高压MOSFET \n 可选SiC"]
end
D --> Q_P1
D --> Q_P2
Q_P1 --> E["初级侧地"]
Q_P2 --> E
end
subgraph "次级侧同步整流"
F["变压器次级"] --> G["同步整流节点"]
subgraph "低压侧MOSFET阵列"
Q_S1["VBGQT1601 \n 60V/340A"]
Q_S2["VBGQT1601 \n 60V/340A"]
Q_S3["VBGQT1601 \n 60V/340A"]
Q_S4["VBGQT1601 \n 60V/340A"]
end
G --> Q_S1
G --> Q_S2
G --> Q_S3
G --> Q_S4
Q_S1 --> H["输出滤波电感"]
Q_S2 --> H
Q_S3 --> H
Q_S4 --> H
H --> I["输出电容组"]
I --> J["电池侧直流母线"]
end
subgraph "控制与驱动"
K["双向DC-DC控制器"] --> L["初级侧隔离驱动"]
K --> M["次级侧隔离驱动 \n 低感设计"]
L --> Q_P1
L --> Q_P2
M --> Q_S1
M --> Q_S2
M --> Q_S3
M --> Q_S4
N["电流传感器"] --> O["电流环控制"]
P["电压传感器"] --> Q["电压环控制"]
O --> K
Q --> K
end
style Q_S1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池簇管理级详细拓扑图
graph LR
subgraph "电池模组主动均衡"
A["电池模组1 \n 正极"] --> B["均衡电感"]
B --> C["均衡开关节点"]
subgraph "均衡开关对"
Q_EQ1["VBE1302 \n 30V/120A"]
Q_EQ2["VBE1302 \n 30V/120A"]
end
C --> Q_EQ1
C --> Q_EQ2
Q_EQ1 --> D["电池模组2 \n 正极"]
Q_EQ2 --> E["均衡控制器"]
E --> F["BMS主控AFE"]
F --> G["均衡驱动电路"]
G --> Q_EQ1
G --> Q_EQ2
end
subgraph "电池簇投切保护"
H["电池簇正极"] --> I["簇级开关节点"]
subgraph "簇级保护开关"
Q_CL1["VBE1302 \n 30V/120A"]
Q_CL2["VBE1302 \n 30V/120A"]
end
I --> Q_CL1
I --> Q_CL2
Q_CL1 --> J["直流母线正极"]
Q_CL2 --> K["保护控制器"]
K --> L["预充电电路"]
L --> M["预充电电阻"]
M --> J
N["BMS主控制器"] --> O["保护驱动电路"]
O --> Q_CL1
O --> Q_CL2
end
subgraph "监测与通信"
P["单体电压检测"] --> Q["AFE采集芯片"]
R["温度检测"] --> S["温度采集"]
T["电流检测"] --> U["库仑计"]
V["绝缘检测"] --> W["绝缘监测模块"]
Q --> X["BMS主MCU"]
S --> X
U --> X
W --> X
X --> Y["CAN通信接口"]
Y --> Z["上位机/云平台"]
end
style Q_EQ1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_CL1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBL17R08SE规格书
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