graph LR
subgraph "三相主驱逆变器"
A[高压电池+] --> B[U相桥臂]
A --> C[V相桥臂]
A --> D[W相桥臂]
subgraph B ["U相半桥"]
direction TB
Q_U_HIGH["VBP112MC60 \n 1200V/60A"]
Q_U_LOW["VBP112MC60 \n 1200V/60A"]
end
subgraph C ["V相半桥"]
direction TB
Q_V_HIGH["VBP112MC60 \n 1200V/60A"]
Q_V_LOW["VBP112MC60 \n 120V/60A"]
end
subgraph D ["W相半桥"]
direction TB
Q_W_HIGH["VBP112MC60 \n 1200V/60A"]
Q_W_LOW["VBP112MC60 \n 1200V/60A"]
end
B --> E[U相输出]
C --> F[V相输出]
D --> G[W相输出]
E --> H[驱动电机U]
F --> I[驱动电机V]
G --> J[驱动电机W]
K[SiC专用驱动器] --> Q_U_HIGH
K --> Q_U_LOW
K --> Q_V_HIGH
K --> Q_V_LOW
K --> Q_W_HIGH
K --> Q_W_LOW
end
subgraph "双向DC-DC变换器"
L[高压电池+] --> M[全桥拓扑]
subgraph M ["全桥开关阵列"]
direction LR
Q_H1["VBP112MC60 \n 1200V/60A"]
Q_H2["VBP112MC60 \n 1200V/60A"]
Q_L1["VBP112MC60 \n 1200V/60A"]
Q_L2["VBP112MC60 \n 1200V/60A"]
end
M --> N[高频变压器]
N --> O[同步整流]
O --> P[辅助电源母线]
Q[DC-DC控制器] --> R[隔离驱动器]
R --> Q_H1
R --> Q_H2
R --> Q_L1
R --> Q_L2
end
style Q_U_HIGH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_H1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电源与PTC控制详细拓扑
graph TB
subgraph "辅助DC-DC转换器"
A[辅助电源母线] --> B[LLC谐振拓扑]
subgraph B ["LLC初级侧"]
direction LR
Q_PRI1["VBMB15R11S \n 500V/11A"]
Q_PRI2["VBMB15R11S \n 500V/11A"]
end
B --> C[LLC变压器]
C --> D[同步整流]
D --> E[12V/24V输出]
E --> F[低压负载]
G[PWM控制器] --> H[高压驱动器]
H --> Q_PRI1
H --> Q_PRI2
end
subgraph "PTC加热器控制"
I[辅助电源母线] --> J[半桥拓扑]
subgraph J ["半桥开关"]
direction LR
Q_PTC_HIGH["VBMB15R11S \n 500V/11A"]
Q_PTC_LOW["VBMB15R11S \n 500V/11A"]
end
J --> K[PTC加热器]
K --> L[温度传感器]
M[PTC控制器] --> N[驱动器]
N --> Q_PTC_HIGH
N --> Q_PTC_LOW
L --> O[PID调节器]
O --> M
end
style Q_PRI1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_PTC_HIGH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
冷机压缩机驱动详细拓扑
graph LR
subgraph "压缩机BLDC驱动器"
A[辅助电源母线] --> B["三相逆变桥"]
subgraph B ["高侧开关(集成双路)"]
direction TB
Q_H_U["VBA4436 Ch1 \n -40V/-6A"]
Q_H_V["VBA4436 Ch2 \n -40V/-6A"]
Q_H_W["VBA4436 另一片 \n Ch1+Ch2"]
end
subgraph C ["低侧开关"]
direction TB
Q_L_U["N-MOSFET \n 低侧驱动"]
Q_L_V["N-MOSFET \n 低侧驱动"]
Q_L_W["N-MOSFET \n 低侧驱动"]
end
Q_H_U --> D[U相输出]
Q_H_V --> E[V相输出]
Q_H_W --> F[W相输出]
Q_L_U --> D
Q_L_V --> E
Q_L_W --> F
D --> G[压缩机U相]
E --> H[压缩机V相]
F --> I[压缩机W相]
J[压缩机控制器] --> K[电荷泵电路]
K --> Q_H_U
K --> Q_H_V
K --> Q_H_W
J --> L[低侧驱动器]
L --> Q_L_U
L --> Q_L_V
L --> Q_L_W
end
subgraph "独立使能控制"
M[辅助电源母线] --> N["双路开关"]
subgraph N ["VBA4436双路控制"]
direction LR
CH1_EN["通道1使能"]
CH2_EN["通道2使能"]
CH1_OUT["通道1输出"]
CH2_OUT["通道2输出"]
end
CH1_OUT --> O[压缩机电源]
CH2_OUT --> P[风扇/泵控制]
Q[MCU GPIO] --> R[电平转换]
R --> CH1_EN
R --> CH2_EN
end
style Q_H_U fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBA4436规格书
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