graph LR
subgraph "高压隔离LLC变换器"
A[高压电池输入] --> B[EMI/浪涌保护]
B --> C[输入电容]
C --> D[LLC谐振腔]
D --> E[高频变压器初级]
E --> F[高压开关节点]
F --> G["VBL19R13S \n 900V/13A"]
G --> H[初级地]
I[变压器次级] --> J[同步整流]
J --> K[输出滤波]
K --> L[24V低压输出]
M[LLC控制器] --> N[栅极驱动器]
N --> G
O[电压反馈] --> M
P[电流检测] --> M
end
subgraph "保护电路细节"
Q[RCD缓冲电路] --> G
R[TVS箝位] --> F
S[过流检测] --> T[比较器]
T --> U[故障锁存]
U --> V[关断信号]
V --> N
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电机驱动拓扑详图
graph TB
subgraph "三相逆变桥驱动"
A[24V/48V输入] --> B[直流母线电容]
B --> C[U相桥臂]
B --> D[V相桥臂]
B --> E[W相桥臂]
subgraph "U相功率桥"
F["VBM1206N \n 上管"]
G["VBM1206N \n 下管"]
end
subgraph "V相功率桥"
H["VBM1206N \n 上管"]
I["VBM1206N \n 下管"]
end
subgraph "W相功率桥"
J["VBM1206N \n 上管"]
K["VBM1206N \n 下管"]
end
C --> F
C --> G
D --> H
D --> I
E --> J
E --> K
F --> L[U相输出]
G --> M[U相返回]
H --> N[V相输出]
I --> O[V相返回]
J --> P[W相输出]
K --> Q[W相返回]
L --> R[三相电机]
N --> R
P --> R
end
subgraph "FOC控制系统"
S[电机控制器] --> T[栅极驱动器]
T --> F
T --> G
T --> H
T --> I
T --> J
T --> K
U[电流采样] --> S
V[位置传感器] --> S
W[速度反馈] --> S
end
subgraph "热管理系统"
X[散热器翅片] --> F
X --> H
X --> J
Y[温度传感器] --> S
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "双通道智能开关矩阵"
A[BCM控制器] --> B[电平转换电路]
B --> C["VBA3108N \n 通道1"]
B --> D["VBA3108N \n 通道2"]
subgraph "VBA3108N内部结构"
direction TB
CH1_IN[通道1输入]
CH1_GATE[栅极1]
CH1_SRC[源极1]
CH1_DRAIN[漏极1]
CH2_IN[通道2输入]
CH2_GATE[栅极2]
CH2_SRC[源极2]
CH2_DRAIN[漏极2]
end
E[24V电源] --> CH1_DRAIN
E --> CH2_DRAIN
CH1_SRC --> F[负载1]
CH2_SRC --> G[负载2]
F --> H[地]
G --> H
I[电流检测] --> A
J[状态反馈] --> A
end
subgraph "负载保护电路"
K[续流二极管] --> F
L[RC吸收电路] --> G
M[TVS保护] --> CH1_SRC
M --> CH2_SRC
N[过流比较器] --> O[故障信号]
O --> P[BCM中断]
end
subgraph "控制模式"
Q[PWM调光控制] --> C
R[软启动控制] --> D
S[时序管理] --> A
T[独立复位] --> A
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px