graph LR
subgraph "梯度驱动全桥拓扑"
A["400VDC输入"] --> B["VBPB16I20 \n IGBT+FRD"]
A --> C["VBPB16I20 \n IGBT+FRD"]
D["VBPB16I20 \n IGBT+FRD"] --> E["梯度线圈+"]
F["VBPB16I20 \n IGBT+FRD"] --> G["梯度线圈-"]
B --> E
C --> G
E --> H["高速霍尔 \n 电流传感器"]
G --> H
H --> I["电流反馈"]
I --> J["梯度控制器"]
end
subgraph "驱动与保护电路"
K["光纤隔离 \n PWM信号"] --> L["栅极驱动器"]
L --> B
L --> C
L --> D
L --> F
M["RCD缓冲网络"] --> B
M --> C
N["RC吸收电路"] --> D
N --> F
O["过流保护"] --> P["故障锁存"]
P --> Q["驱动关断"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低压大电流供电拓扑详图
graph TB
subgraph "多相降压转换器"
A["400VDC输入"] --> B["控制器"]
B --> C["多相驱动器"]
C --> D["相位1: VBL1302"]
C --> E["相位2: VBL1302"]
C --> F["相位3: VBL1302"]
C --> G["相位4: VBL1302"]
D --> H["输出电感"]
E --> H
F --> H
G --> H
H --> I["输出电容"]
I --> J["12V/100A输出"]
K["电流平衡检测"] --> B
L["温度监测"] --> B
end
subgraph "精密电压调节"
M["12V输入"] --> N["线性稳压器"]
N --> O["1.8V/80A输出"]
P["5V LDO"] --> Q["5V/50A输出"]
R["电压监控"] --> S["MCU ADC"]
T["纹波检测"] --> S
end
subgraph "热管理设计"
U["强制风冷"] --> D
U --> E
V["大面积PCB敷铜"] --> F
V --> G
W["温度传感器"] --> X["PWM控制"]
X --> Y["冷却风扇"]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
精密负载管理与隔离拓扑详图
graph LR
subgraph "高边负载开关矩阵"
A["MCU GPIO"] --> B["电平转换器"]
B --> C["VBQF2610N \n 通道1"]
B --> D["VBQF2610N \n 通道2"]
B --> E["VBQF2610N \n 通道3"]
B --> F["VBQF2610N \n 通道4"]
G["12V电源"] --> C
G --> D
G --> E
G --> F
C --> H["射频前端"]
D --> I["ADC/DSP板"]
E --> J["核磁传感器"]
F --> K["安全隔离"]
H --> L[GND]
I --> L
J --> L
K --> L
end
subgraph "噪声抑制设计"
M["π型滤波器"] --> H
N["磁珠+电容"] --> I
O["屏蔽罩接地"] --> J
P["光耦隔离"] --> K
end
subgraph "诊断与保护"
Q["电流检测"] --> R["比较器"]
R --> S["过流保护"]
T["热关断"] --> U["故障指示"]
V["软启动控制"] --> W["浪涌抑制"]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与EMC设计拓扑详图
graph TB
subgraph "三级热管理系统"
A["一级: 液冷系统"] --> B["液冷板"]
B --> C["IGBT模块"]
C --> D["温度传感器1"]
D --> E["PID控制器"]
E --> F["液冷泵PWM"]
subgraph "二级: 强制风冷"
G["散热器"] --> H["低压MOSFET"]
I["温度传感器2"] --> J["风扇控制器"]
J --> K["风扇阵列"]
end
subgraph "三级: 自然散热"
L["PCB敷铜"] --> M["控制IC"]
N["热过孔"] --> O["内部风道"]
end
end
subgraph "医疗级EMC设计"
P["医疗级隔离电源"] --> Q["馈通滤波器"]
R["多层板设计"] --> S["完整接地平面"]
T["磁屏蔽舱"] --> U["双层屏蔽"]
V["差分信号传输"] --> W["屏蔽电缆"]
X["频率规划"] --> Y["避开拉莫尔频段"]
end
subgraph "振动控制设计"
Z["防松脱紧固"] --> AA["弹簧压接"]
AB["导热膏"] --> AC["铜基板"]
AD["灌胶工艺"] --> AE["结构加固"]
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBPB16I20规格书
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