graph LR
subgraph "高压输入保护"
A["400-800VDC输入"] --> B["π型滤波器1"]
B --> C["π型滤波器2"]
C --> D["TVS阵列"]
D --> E["气体放电管"]
end
subgraph "IGBT模拟负载阵列"
E --> F["直流母线"]
F --> G["电流检测"]
G --> H["负载控制节点"]
subgraph I ["双IGBT并联结构"]
direction LR
IGBT_LEFT["VBP165I75 \n 左臂"]
IGBT_RIGHT["VBP165I75 \n 右臂"]
end
H --> IGBT_LEFT
H --> IGBT_RIGHT
IGBT_LEFT --> J["泄放电阻"]
IGBT_RIGHT --> J
J --> K["主动泄放电路"]
K --> L["散热冷板"]
end
subgraph "驱动与保护"
M["PWM控制器"] --> N["隔离驱动器"]
N --> IGBT_LEFT
N --> IGBT_RIGHT
O["RCD缓冲"] --> IGBT_LEFT
P["电压检测"] --> F
Q["温度监测"] --> L
P --> M
Q --> M
end
style IGBT_LEFT fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style IGBT_RIGHT fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能配电拓扑详图
graph TB
subgraph "28V配电通道"
A["28V电源总线"] --> B["输入滤波"]
B --> C["过流保护"]
C --> D["VBGQA1610 \n 配电MOSFET"]
D --> E["输出滤波"]
E --> F["飞控模拟负载"]
E --> G["传感器集群"]
E --> H["通信模块"]
end
subgraph "12V配电通道"
I["12V电源总线"] --> J["输入滤波"]
J --> K["过流保护"]
K --> L["VBGQA1610 \n 配电MOSFET"]
L --> M["输出滤波"]
M --> N["显示单元"]
M --> O["辅助电源"]
M --> P["冷却控制"]
end
subgraph "智能控制逻辑"
Q["主控MCU"] --> R["序列控制逻辑"]
R --> S["通道1: 飞控上电"]
R --> T["通道2: 传感器上电"]
R --> U["通道3: 通信上电"]
R --> V["通道4: 显示上电"]
R --> W["通道5: 辅助电源"]
R --> X["通道6: 冷却控制"]
S --> D
T --> D
U --> D
V --> L
W --> L
X --> L
end
subgraph "保护与监测"
Y["电流检测"] --> D
Y --> L
Z["温度传感器"] --> D
Z --> L
AA["故障诊断"] --> Q
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
热管理与可靠性拓扑详图
graph LR
subgraph "三级热管理系统"
A["一级热管理"] --> B["液冷板"]
B --> C["VBP165I75 IGBT"]
D["二级热管理"] --> E["铝散热基板"]
E --> F["VBGQA1610阵列"]
G["三级热管理"] --> H["3oz厚铜PCB"]
H --> I["VBFB1303 MOSFET"]
H --> J["控制IC"]
end
subgraph "温度监测网络"
K["温度传感器1"] --> C
L["温度传感器2"] --> E
M["温度传感器3"] --> H
N["温度传感器4"] --> B
K --> O["MCU温度采集"]
L --> O
M --> O
N --> O
end
subgraph "冷却控制"
O --> P["PWM控制算法"]
P --> Q["液冷泵驱动"]
P --> R["风扇驱动"]
Q --> S["液冷泵"]
R --> T["散热风扇"]
S --> B
T --> E
end
subgraph "可靠性增强"
U["TVS保护"] --> V["所有电源端口"]
W["RC缓冲"] --> X["所有栅极驱动"]
Y["负压关断"] --> Z["IGBT栅极"]
AA["肖特基续流"] --> BB["感性负载"]
CC["三轴振动监测"] --> DD["机械结构"]
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBFB1303规格书
中文
English
