graph LR
subgraph "高压DC-DC转换拓扑"
A["高压电池组 \n 600-800VDC"] --> B["输入滤波电容"]
B --> C["输入过压保护"]
C --> D["主功率开关节点"]
D --> E["VBP18R47S \n 800V/47A"]
E --> F["高频变压器初级"]
F --> G["谐振电感/电容"]
G --> H["开关节点2"]
H --> I["VBP18R47S \n 800V/47A"]
I --> J["初级地"]
F --> K["变压器磁芯"]
subgraph "次级侧与输出"
K --> L["变压器次级"]
L --> M["同步整流"]
M --> N["输出滤波"]
N --> O["高压直流母线 \n 600-800VDC"]
end
P["高压控制器"] --> Q["隔离栅极驱动器"]
Q --> E
Q --> I
end
subgraph "保护与监控"
R["电压检测"] --> P
S["电流检测"] --> P
T["温度检测"] --> P
U["RC缓冲电路"] --> E
V["TVS保护"] --> D
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多旋翼电机驱动拓扑详图
graph TB
subgraph "三相逆变桥详细拓扑"
A["48VDC低压母线"] --> B["输入电容阵列"]
B --> C["U相上桥臂"]
B --> D["V相上桥臂"]
B --> E["W相上桥臂"]
subgraph "集成桥臂结构"
direction LR
C --> F["VBQA3638 \n 双N-MOSFET \n 上管"]
D --> G["VBQA3638 \n 双N-MOSFET \n 上管"]
E --> H["VBQA3638 \n 双N-MOSFET \n 上管"]
F --> I["中点U"]
G --> J["中点V"]
H --> K["中点W"]
I --> L["VBQA3638 \n 双N-MOSFET \n 下管"]
J --> M["VBQA3638 \n 双N-MOSFET \n 下管"]
K --> N["VBQA3638 \n 双N-MOSFET \n 下管"]
L --> O["驱动地"]
M --> O
N --> O
end
I --> P["U相电机端子"]
J --> Q["V相电机端子"]
K --> R["W相电机端子"]
end
subgraph "FOC控制与驱动"
S["FOC控制器"] --> T["三相PWM生成"]
T --> U["上桥臂驱动器"]
T --> V["下桥臂驱动器"]
U --> F
U --> G
U --> H
V --> L
V --> M
V --> N
W["电流采样"] --> S
X["位置传感器"] --> S
end
subgraph "保护电路"
Y["TVS阵列"] --> I
Z["RC吸收网络"] --> P
AA["过流保护"] --> S
BB["过温保护"] --> S
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
医疗负载管理拓扑详图
graph LR
subgraph "医疗设备供电通道"
A["隔离DC-DC输出 \n 12-24VDC"] --> B["医疗电源总线"]
B --> C["除颤仪供电通道"]
B --> D["呼吸机供电通道"]
B --> E["输液泵供电通道"]
B --> F["监护仪供电通道"]
subgraph "高侧P-MOSFET开关"
C --> G["VBA2152M \n P-MOSFET"]
D --> H["VBA2152M \n P-MOSFET"]
E --> I["VBA2152M \n P-MOSFET"]
F --> J["VBA2152M \n P-MOSFET"]
end
G --> K["除颤仪电源输入"]
H --> L["呼吸机电源输入"]
I --> M["输液泵电源输入"]
J --> N["监护仪电源输入"]
end
subgraph "智能控制与隔离"
O["飞控计算机"] --> P["隔离数字输出"]
P --> Q["电平转换与驱动"]
Q --> G
Q --> H
Q --> I
Q --> J
subgraph "时序管理"
R["上电时序控制"] --> O
S["紧急关断逻辑"] --> O
T["设备状态反馈"] --> O
end
end
subgraph "保护功能"
U["软启动电路"] --> G
V["过流保护"] --> K
W["反接保护"] --> B
X["EMI滤波器"] --> A
end
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQA3638规格书
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