graph TB
subgraph "双向DC-DC变换器拓扑"
A["直流母线 \n 400-800VDC"] --> B["双向变换控制器"]
B --> C["隔离驱动电路"]
C --> D["VBM19R05S \n 高压MOSFET阵列"]
D --> E["升压电感/变压器"]
E --> F["逆变直流母线 \n 稳定电压"]
G["电压反馈"] --> B
H["电流反馈"] --> B
end
subgraph "三相逆变桥臂拓扑"
F --> I["三相PWM控制器"]
I --> J["三相隔离驱动器"]
J --> K["U相桥臂"]
J --> L["V相桥臂"]
J --> M["W相桥臂"]
subgraph K ["U相H桥"]
direction LR
U_HIGH["VBM19R05S \n 上管"]
U_LOW["VBM19R05S \n 下管"]
end
subgraph L ["V相H桥"]
direction LR
V_HIGH["VBM19R05S \n 上管"]
V_LOW["VBM19R05S \n 下管"]
end
subgraph M ["W相H桥"]
direction LR
W_HIGH["VBM19R05S \n 上管"]
W_LOW["VBM19R05S \n 下管"]
end
K --> N["U相输出"]
L --> O["V相输出"]
M --> P["W相输出"]
N --> Q["LC滤波网络"]
O --> Q
P --> Q
Q --> R["三相380VAC输出"]
end
subgraph "保护电路"
S["RCD缓冲电路"] --> D
T["RC吸收电路"] --> U_HIGH
U["TVS保护"] --> J
V["过流检测"] --> I
W["过温检测"] --> I
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style U_HIGH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低压大电流同步整流拓扑详图
graph LR
subgraph "电池保护与同步整流"
A["锂离子电池组 \n 12-48VDC"] --> B["电池保护开关"]
B --> C["VBGE1402 MOSFET阵列"]
C --> D["同步整流控制器"]
D --> E["同步整流驱动"]
E --> F["VBGE1402同步整流管"]
F --> G["输出滤波"]
G --> H["低压直流输出 \n 12VDC"]
I["电流检测"] --> D
J["温度检测"] --> D
K["电压检测"] --> D
end
subgraph "智能负载管理"
H --> L["负载分配控制器"]
L --> M["VBQF2610N开关阵列"]
subgraph M ["多路负载开关"]
direction TB
SW1["VBQF2610N \n 通道1"]
SW2["VBQF2610N \n 通道2"]
SW3["VBQF2610N \n 通道3"]
SW4["VBQF2610N \n 通道4"]
end
SW1 --> N["医疗仪器电源"]
SW2 --> O["通信设备电源"]
SW3 --> P["监控系统电源"]
SW4 --> Q["应急照明电源"]
R["MCU控制"] --> L
end
subgraph "热管理设计"
S["一级散热:PCB敷铜"] --> F
T["二级散热:散热基板"] --> C
U["三级散热:系统风道"] --> M
V["温度传感器"] --> R
R --> W["风扇PWM控制"]
W --> X["冷却风扇"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
保护与监控系统拓扑详图
graph TB
subgraph "电气保护网络"
A["输入过压保护"] --> B["比较器电路"]
C["输出过流保护"] --> D["电流传感器"]
E["短路保护"] --> F["快速比较器"]
G["雷击浪涌保护"] --> H["MOV+TVS阵列"]
I["电压尖峰抑制"] --> J["RC/RCD吸收"]
B --> K["故障锁存器"]
D --> K
F --> K
K --> L["关断控制信号"]
L --> M["所有功率开关"]
end
subgraph "温度监控系统"
N["高压MOS温度"] --> O["温度传感器"]
P["电池温度"] --> Q["多点检测"]
R["环境温度"] --> S["温湿度传感器"]
O --> T["MCU ADC"]
Q --> T
S --> T
T --> U["温度管理算法"]
U --> V["分级散热控制"]
V --> W["自然散热"]
V --> X["强制风冷"]
V --> Y["降额运行"]
end
subgraph "通信与监控"
Z["CAN总线"] --> MCU["主控MCU"]
AA["以太网"] --> MCU
BB["RS485"] --> MCU
MCU --> CC["本地显示屏"]
MCU --> DD["云平台上传"]
MCU --> EE["声光报警"]
MCU --> FF["远程控制"]
end
subgraph "电池管理系统"
BAT_CELLS["电池单体"] --> BMS_AFE["电池前端AFE"]
BMS_AFE --> BMS_MCU["BMS控制器"]
BMS_MCU --> BALANCE_CIRCUIT["均衡电路"]
BMS_MCU --> PROTECTION_MOSFET["保护MOSFET"]
PROTECTION_MOSFET --> VBGE1402["VBGE1402阵列"]
BMS_MCU --> COMMUNICATION["通信接口"]
end
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style VBGE1402 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style PROTECTION_MOSFET fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBM19R05S规格书
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