graph LR
subgraph "高压脉冲生成电路"
A["高压电源总线"] --> B["储能电容组"]
B --> C["高压脉冲开关节点"]
C --> D["VBM16I20 IGBT"]
D --> E["感性负载(报警器/锁具)"]
E --> F["续流回路"]
F --> G["集成FRD"]
G --> H["地"]
I["隔离栅极驱动器"] --> J["VGE驱动信号"]
J --> D
K["MCU PWM输出"] --> I
end
subgraph "保护与缓冲网络"
L["RCD缓冲电路"] --> D
M["RC吸收网络"] --> E
N["TVS保护阵列"] --> C
O["电压检测"] --> P["过压比较器"]
P --> Q["故障锁存"]
Q --> R["驱动关断"]
R --> I
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
主电源路径开关拓扑详图
graph TB
subgraph "主电源路径控制"
A["蓄电池正极"] --> B["输入滤波"]
B --> C["主开关节点"]
C --> D["VBP1601 N-MOSFET"]
D --> E["高压电源总线"]
F["栅极驱动器"] --> G["VGS驱动信号"]
G --> D
H["MCU控制信号"] --> F
E --> I["输出电容组"]
end
subgraph "大电流电磁锁驱动"
E --> J["锁具驱动节点"]
J --> K["VBP1601 N-MOSFET"]
K --> L["电磁锁线圈"]
L --> M["地"]
N["电流检测电阻"] --> O["电流放大器"]
O --> P["过流保护"]
P --> Q["驱动关断"]
Q --> F
end
subgraph "驱动优化设计"
R["10-15V栅极驱动电压"] --> F
S["最小化寄生电感"] --> T["功率回路布局"]
U["栅极串联电阻"] --> V["TVS箝位"]
V --> W["地"]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电源管理拓扑详图
graph LR
subgraph "双路智能电源开关"
A["辅助电源(12V/5V)"] --> B["VB3420 Channel 1"]
A --> C["VB3420 Channel 2"]
D["MCU GPIO1"] --> E["电平转换"]
E --> F["栅极驱动1"]
F --> B
G["MCU GPIO2"] --> H["电平转换"]
H --> I["栅极驱动2"]
I --> C
B --> J["负载1(定位模块)"]
C --> K["负载2(AI芯片)"]
J --> L["地"]
K --> L
end
subgraph "多通道扩展"
subgraph "VB3420阵列"
M["双路N-MOS 1"]
N["双路N-MOS 2"]
O["双路N-MOS 3"]
end
P["MCU GPIO阵列"] --> Q["多路电平转换"]
Q --> M
Q --> N
Q --> O
M --> R["雷达传感器"]
N --> S["通信模块"]
O --> T["显示单元"]
R --> U["地"]
S --> U
T --> U
end
subgraph "保护与可靠性"
V["栅极串联电阻"] --> W["对地稳压管"]
X["过流检测"] --> Y["限流电路"]
Z["温度监控"] --> MCU_FB["MCU反馈"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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