graph LR
subgraph "三相全桥PWM变流器"
A[三相交流输入] --> B[LC滤波器]
B --> C[三相全桥]
subgraph "桥臂功率开关"
Q_AH["VBP165R67SE \n 上管"]
Q_AL["VBP165R67SE \n 下管"]
Q_BH["VBP165R67SE \n 上管"]
Q_BL["VBP165R67SE \n 下管"]
Q_CH["VBP165R67SE \n 上管"]
Q_CL["VBP165R67SE \n 下管"]
end
C --> Q_AH
C --> Q_AL
C --> Q_BH
C --> Q_BL
C --> Q_CH
C --> Q_CL
Q_AH --> DC_POS["直流母线正极"]
Q_AL --> DC_NEG["直流母线负极"]
Q_BH --> DC_POS
Q_BL --> DC_NEG
Q_CH --> DC_POS
Q_CL --> DC_NEG
D[变流器控制器] --> E[隔离驱动电路]
E --> Q_AH
E --> Q_AL
E --> Q_BH
E --> Q_BL
E --> Q_CH
E --> Q_CL
end
subgraph "保护与缓冲"
F["RC吸收网络"] --> Q_AH
F --> Q_AL
G["电流霍尔传感器"] --> D
H["电压检测"] --> D
end
style Q_AH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_AL fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC/DC双向变换器拓扑详图
graph TB
subgraph "双向Buck-Boost变换器"
A[高压直流母线] --> B[功率电感]
B --> C[开关节点]
subgraph "高侧开关"
Q_HS1["VBGP1252N \n 高侧管1"]
Q_HS2["VBGP1252N \n 高侧管2"]
end
subgraph "低侧开关"
Q_LS1["VBGP1252N \n 低侧管1"]
Q_LS2["VBGP1252N \n 低侧管2"]
end
C --> Q_HS1
C --> Q_HS2
Q_HS1 --> D[电池正极]
Q_HS2 --> D
C --> Q_LS1
C --> Q_LS2
Q_LS1 --> E[功率地]
Q_LS2 --> E
F[双向控制器] --> G[大电流驱动器]
G --> Q_HS1
G --> Q_HS2
G --> Q_LS1
G --> Q_LS2
end
subgraph "并联均流与保护"
H[电流检测电阻] --> F
I[温度传感器] --> F
J["均流控制电路"] --> G
K["RC吸收网络"] --> Q_HS1
K --> Q_LS1
end
style Q_HS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_LS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与保护电路拓扑详图
graph LR
subgraph "辅助电源管理"
A[交流或直流输入] --> B[辅助电源转换器]
B --> C[12V中间总线]
subgraph "多路输出控制"
SW_12V["VB3658 \n 12V输出"]
SW_5V["VB3658 \n 5V输出"]
SW_3V3["VB3658 \n 3.3V输出"]
end
C --> SW_12V
C --> SW_5V
C --> SW_3V3
SW_12V --> D[驱动电路电源]
SW_5V --> E[模拟电路电源]
SW_3V3 --> F[数字电路电源]
G[MCU] --> H[电平转换]
H --> SW_12V
H --> SW_5V
H --> SW_3V3
end
subgraph "预充电与保护电路"
I[高压直流母线] --> J[预充电电阻]
J --> K[预充电接触器]
subgraph "预充电控制"
SW_PRECHG["VB3658 \n 预充电开关"]
end
G --> SW_PRECHG
SW_PRECHG --> K
L[电压检测] --> G
M[故障检测] --> N[故障锁存]
N --> O[关断信号]
O --> SW_PRECHG
O --> P[主接触器]
end
subgraph "通信保护"
Q[CAN总线] --> R[总线保护]
subgraph "通信开关"
SW_CAN["VB3658 \n CAN通断"]
end
G --> SW_CAN
SW_CAN --> S[隔离CAN收发器]
end
style SW_12V fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style SW_PRECHG fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBP165R67SE规格书
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