graph LR
subgraph "移相全桥功率级"
A[高压直流母线] --> B[移相全桥输入]
B --> Q1["VBL17R11S \n 700V/11A"]
B --> Q2["VBL17R11S \n 700V/11A"]
B --> Q3["VBL17R11S \n 700V/11A"]
B --> Q4["VBL17R11S \n 700V/11A"]
Q1 --> C[高频变压器初级]
Q2 --> C
Q3 --> D[初级地]
Q4 --> D
E[移相全桥控制器] --> F[隔离栅极驱动器]
F --> Q1
F --> Q2
F --> Q3
F --> Q4
C --> G[变压器次级]
end
subgraph "软开关与保护"
H[谐振电感] --> I[谐振电容]
I --> J[变压器漏感]
K[PWM信号] --> E
L[电流反馈] --> E
M[电压反馈] --> E
subgraph "缓冲保护电路"
N["RCD缓冲网络"]
O["RC吸收电路"]
P["栅极TVS保护"]
end
N --> Q1
O --> Q3
P --> F
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q2 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
大电流母线分配与斩波拓扑详图
graph TB
subgraph "同步整流与滤波"
A[变压器次级] --> B[同步整流桥臂]
subgraph "并联大电流MOSFET"
Q_SR1["VBGED1103 \n 100V/180A"]
Q_SR2["VBGED1103 \n 100V/180A"]
Q_SR3["VBGED1103 \n 100V/180A"]
end
B --> Q_SR1
B --> Q_SR2
B --> Q_SR3
Q_SR1 --> C[输出滤波电感]
Q_SR2 --> C
Q_SR3 --> C
C --> D[低ESL电容矩阵]
D --> E[主直流母线48-72VDC]
end
subgraph "直流斩波调压"
E --> F[输入电容]
F --> G[斩波开关节点]
G --> Q_CHOP["VBGED1103 \n 斩波开关"]
Q_CHOP --> H[续流二极管]
H --> I[输出滤波]
I --> J[电解槽正极]
K[斩波控制器] --> L[大电流驱动器]
L --> Q_CHOP
M[电流采样] --> K
N[电压反馈] --> K
J --> O[电解槽负极]
O --> P[电流检测分流器]
P --> M
end
subgraph "均流与热平衡"
Q1_THERMAL["MOSFET1温度"] --> R[均流控制器]
Q2_THERMAL["MOSFET2温度"] --> R
Q3_THERMAL["MOSFET3温度"] --> R
R --> S[驱动调整]
S --> L
end
style Q_SR1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_CHOP fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能辅助电源管理拓扑详图
graph LR
subgraph "多路负载开关控制"
A[DSP/MCU GPIO] --> B[电平转换电路]
B --> C["VBC6N2022 \n 通道1"]
B --> D["VBC6N2022 \n 通道2"]
B --> E["VBC6N2022 \n 通道3"]
B --> F["VBC6N2022 \n 通道4"]
subgraph C ["VBC6N2022 内部结构"]
direction TB
GATE1[栅极1]
GATE2[栅极2]
SOURCE1[源极1]
SOURCE2[源极2]
DRAIN[公共漏极]
end
12V_AUX[12V辅助电源] --> DRAIN
SOURCE1 --> H[冷却系统负载]
SOURCE2 --> I[阀门驱动器]
H --> J[地]
I --> J
end
subgraph "电源时序管理"
K[上电序列控制器] --> L[延时电路]
L --> M["VBC6N2022 \n 时序控制"]
M --> N[传感器电源]
M --> O[通信模块]
M --> P[显示单元]
Q[故障检测] --> R[关断逻辑]
R --> M
S[过流保护] --> R
end
subgraph "状态反馈与诊断"
T[负载电流检测] --> U[ADC输入]
V[开关状态反馈] --> U
W[温度监测] --> U
U --> DSP_MCU["主控DSP/MCU"]
DSP_MCU --> X[故障指示灯]
DSP_MCU --> Y[报警输出]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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