graph LR
subgraph "三相电机驱动桥臂"
A["高压电池96VDC"] --> B["输入滤波电容"]
B --> C["三相半桥"]
subgraph "高压MOSFET阵列"
Q_AH["VBQF1101N \n 上管"]
Q_AL["VBQF1101N \n 下管"]
Q_BH["VBQF1101N \n 上管"]
Q_BL["VBQF1101N \n 下管"]
Q_CH["VBQF1101N \n 上管"]
Q_CL["VBQF1101N \n 下管"]
end
C --> Q_AH
C --> Q_AL
C --> Q_BH
C --> Q_BL
C --> Q_CH
C --> Q_CL
Q_AH --> D["电机U相"]
Q_AL --> E["驱动地"]
Q_BH --> F["电机V相"]
Q_BL --> E
Q_CH --> G["电机W相"]
Q_CL --> E
H["电机控制器"] --> I["栅极驱动器"]
I --> Q_AH
I --> Q_AL
I --> Q_BH
I --> Q_BL
I --> Q_CH
I --> Q_CL
end
subgraph "保护电路"
J["RC缓冲网络"] --> Q_AH
K["TVS保护"] --> I
L["电流检测"] --> M["比较器"]
M --> N["故障锁存"]
N --> O["关断信号"]
O --> Q_AH
O --> Q_AL
end
subgraph "热管理"
P["金属基板"] --> Q_AH
Q["强制风冷"] --> P
R["温度传感器"] --> S["温控逻辑"]
S --> T["风扇PWM"]
T --> Q
end
style Q_AH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
机载电源管理拓扑详图
graph TB
subgraph "同步Buck转换器"
A["96V电池输入"] --> B["输入EMI滤波器"]
B --> C["Buck控制器"]
subgraph "功率MOSFET"
Q_HIGH["VBC1307 \n 高侧开关"]
Q_LOW["VBC1307 \n 低侧同步整流"]
end
C --> D["栅极驱动"]
D --> Q_HIGH
D --> Q_LOW
Q_HIGH --> E["开关节点"]
E --> F["功率电感"]
F --> G["输出滤波电容"]
G --> H["12V输出"]
Q_LOW --> I["功率地"]
end
subgraph "负载分配"
H --> J["负载分配总线"]
subgraph "干预设备电源"
K["音频发生器"]
L["光源控制器"]
M["通信模块"]
N["传感器阵列"]
end
J --> K
J --> L
J --> M
J --> N
end
subgraph "保护与监控"
O["过流保护"] --> P["电流检测"]
P --> Q["比较器"]
Q --> R["关断控制"]
R --> C
S["温度检测"] --> T["NTC传感器"]
T --> U["ADC监控"]
U --> V["MCU"]
end
subgraph "热设计"
W["PCB厚铜层"] --> Q_HIGH
X["散热过孔阵列"] --> W
Y["自然对流"] --> Q_LOW
end
style Q_HIGH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_LOW fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
分布式负载管理拓扑详图
graph LR
subgraph "双通道负载开关控制"
A["MCU GPIO"] --> B["电平转换"]
B --> C["VBTA3230NS 输入"]
subgraph C ["VBTA3230NS 内部结构"]
direction LR
IN1[通道1栅极]
IN2[通道2栅极]
S1[通道1源极]
S2[通道2源极]
D1[通道1漏极]
D2[通道2漏极]
end
VCC_12V["12V电源"] --> D1
VCC_12V --> D2
S1 --> LOAD1["关键负载 \n (导航灯)"]
S2 --> LOAD2["非关键负载 \n (状态指示)"]
LOAD1 --> GND1[地]
LOAD2 --> GND2[地]
end
subgraph "冗余控制逻辑"
CTRL_MCU["主控MCU"] --> SW_PRI["主开关控制"]
BACKUP_MCU["备份MCU"] --> SW_BAK["备份开关控制"]
SW_PRI --> IN1
SW_BAK --> IN2
MONITOR["健康监测"] --> CTRL_MCU
MONITOR --> BACKUP_MCU
end
subgraph "保护电路"
FUSE["保险丝"] --> VCC_12V
TVS_LOAD["TVS保护"] --> LOAD1
DIODE["续流二极管"] --> LOAD1
CURRENT_MON["电流监控"] --> LOAD1
CURRENT_MON --> FAULT["故障检测"]
FAULT --> ALARM["报警信号"]
end
subgraph "热管理"
PCB_COPPER["PCB敷铜"] --> C
AIR_FLOW["空气对流"] --> PCB_COPPER
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style LOAD1 fill:#e1bee7,stroke:#7b1fa2,stroke-width:1px
点击下载：VBC1307规格书
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