graph TB
subgraph "三相全桥逆变/PFC拓扑"
A[三相380VAC输入] --> B[EMI滤波器]
B --> C[电流传感器]
C --> D[三相全桥]
subgraph "高压MOSFET桥臂"
Q_U1["VBE16R15S \n 上管"]
Q_U2["VBE16R15S \n 上管"]
Q_U3["VBE16R15S \n 上管"]
Q_L1["VBE16R15S \n 下管"]
Q_L2["VBE16R15S \n 下管"]
Q_L3["VBE16R15S \n 下管"]
end
D --> Q_U1
D --> Q_U2
D --> Q_U3
Q_U1 --> DC_BUS_P["直流母线正极"]
Q_U2 --> DC_BUS_P
Q_U3 --> DC_BUS_P
Q_L1 --> DC_BUS_N["直流母线负极"]
Q_L2 --> DC_BUS_N
Q_L3 --> DC_BUS_N
E[隔离驱动芯片] --> Q_U1
E --> Q_U2
E --> Q_U3
F[非隔离驱动芯片] --> Q_L1
F --> Q_L2
F --> Q_L3
G[数字控制器DSP] --> E
G --> F
DC_BUS_P --> H[直流母线电容]
DC_BUS_N --> H
end
subgraph "保护与缓冲电路"
I[RCD缓冲电路] --> Q_U1
J[RC吸收电路] --> Q_L1
K[TVS保护阵列] --> E
K --> F
L[电压霍尔传感器] --> DC_BUS_P
M[电流霍尔传感器] --> C
L --> G
M --> G
end
style Q_U1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_L1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池端双向DC-DC变换拓扑详图
graph LR
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 "同步整流功率对管"
Q_H1["VBGQA1803 \n 高压侧开关"]
Q_H2["VBGQA1803 \n 高压侧开关"]
Q_L1["VBGQA1803 \n 低压侧开关"]
Q_L2["VBGQA1803 \n 低压侧开关"]
end
C --> Q_H1
C --> Q_H2
Q_H1 --> D[输出滤波电容]
Q_H2 --> D
Q_L1 --> E[电池侧负极]
Q_L2 --> E
C --> Q_L1
C --> Q_L2
F[高速栅极驱动器] --> Q_H1
F --> Q_H2
F --> Q_L1
F --> Q_L2
G[DC-DC控制器] --> F
D --> H[电池总线48V/72V]
H --> I[电池组连接器]
end
subgraph "保护与检测电路"
J[电流检测电阻] --> Q_L1
K[温度传感器NTC] --> Q_H1
L[电压检测分压] --> H
M[过流比较器] --> J
N[故障锁存] --> M
N --> O[关断信号]
O --> F
end
subgraph "PCB热设计"
P[大面积功率敷铜] --> Q_H1
P --> Q_H2
P --> Q_L1
P --> Q_L2
Q[散热过孔阵列] --> P
R[底部散热焊盘] --> Q_H1
R --> Q_H2
end
style Q_H1 fill:#ffebee,stroke:#f44336,stroke-width:2px
style Q_L1 fill:#ffebee,stroke:#f44336,stroke-width:2px
智能负载与电池管理拓扑详图
graph TB
subgraph "电池均衡管理"
A[电池组正极] --> B[均衡电阻阵列]
subgraph "均衡开关阵列"
SW_BAL1_CH1["VBA3104N通道1"]
SW_BAL1_CH2["VBA3104N通道2"]
SW_BAL2_CH1["VBA3104N通道1"]
SW_BAL2_CH2["VBA3104N通道2"]
end
B --> SW_BAL1_CH1
B --> SW_BAL1_CH2
B --> SW_BAL2_CH1
B --> SW_BAL2_CH2
SW_BAL1_CH1 --> C[电池单体1]
SW_BAL1_CH2 --> D[电池单体2]
SW_BAL2_CH1 --> E[电池单体3]
SW_BAL2_CH2 --> F[电池单体4]
G[BMS主控] --> SW_BAL1_CH1
G --> SW_BAL1_CH2
G --> SW_BAL2_CH1
G --> SW_BAL2_CH2
end
subgraph "负载切换管理"
H[主控制器MCU] --> I[电平转换电路]
I --> J[负载开关阵列]
subgraph "双路负载开关"
SW_LOAD1["VBA3104N双路"]
SW_LOAD2["VBA3104N双路"]
end
J --> SW_LOAD1
J --> SW_LOAD2
SW_LOAD1 --> K[生产线设备1]
SW_LOAD1 --> L[生产线设备2]
SW_LOAD2 --> M[生产线设备3]
SW_LOAD2 --> N[生产线设备4]
O[辅助电源12V] --> SW_LOAD1
O --> SW_LOAD2
end
subgraph "系统保护与监控"
P[电压检测] --> C
P --> D
P --> E
P --> F
Q[温度检测] --> C
Q --> D
Q --> E
Q --> F
R[电流检测] --> K
R --> L
R --> M
R --> N
P --> G
Q --> G
R --> H
end
style SW_BAL1_CH1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW_LOAD1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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