graph LR
subgraph "三相推进器H桥驱动"
A[48V动力总线] --> B[预驱IC]
subgraph "P-MOSFET桥臂"
Q1["VBE2625 \n 上管1"]
Q2["VBE2625 \n 上管2"]
Q3["VBE2625 \n 上管3"]
Q4["VBE2625 \n 下管1"]
Q5["VBE2625 \n 下管2"]
Q6["VBE2625 \n 下管3"]
end
B --> Q1
B --> Q2
B --> Q3
B --> Q4
B --> Q5
B --> Q6
Q1 --> C[U相输出]
Q4 --> C
Q2 --> D[V相输出]
Q5 --> D
Q3 --> E[W相输出]
Q6 --> E
C --> F[推进电机]
D --> F
E --> F
G[MCU PWM] --> B
H[电流检测] --> I[过流保护]
I --> B
end
subgraph "抛饵机构单相H桥"
J[48V动力总线] --> K[半桥驱动]
subgraph "P-MOSFET H桥"
Q7["VBE2625 \n 上管A"]
Q8["VBE2625 \n 上管B"]
Q9["VBE2625 \n 下管A"]
Q10["VBE2625 \n 下管B"]
end
K --> Q7
K --> Q8
K --> Q9
K --> Q10
Q7 --> L[电机正端]
Q9 --> L
Q8 --> M[电机负端]
Q10 --> M
L --> N[抛饵电机]
M --> N
O[位置传感器] --> P[MCU]
P --> K
end
subgraph "保护与散热"
Q["RC吸收网络"] --> Q1
R["TVS阵列"] --> Q7
S["导热硅脂"] --> T["金属散热板"]
T --> Q1
T --> Q7
U["灌封胶层"] --> V["防水密封"]
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q7 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
伺服云台与传感器控制拓扑详图
graph LR
subgraph "云台伺服驱动"
A[12V辅助电源] --> B[伺服驱动器]
subgraph "N-MOSFET H桥"
Q1["VBJ1311 \n N-MOS 1"]
Q2["VBJ1311 \n N-MOS 2"]
Q3["VBJ1311 \n N-MOS 3"]
Q4["VBJ1311 \n N-MOS 4"]
end
B --> Q1
B --> Q2
B --> Q3
B --> Q4
Q1 --> C[电机正端]
Q3 --> C
Q2 --> D[电机负端]
Q4 --> D
C --> E[云台伺服电机]
D --> E
F[MCU PWM] --> B
G[编码器反馈] --> H[位置控制]
H --> F
end
subgraph "传感器智能供电"
I[5V控制总线] --> J[电源管理IC]
subgraph "负载开关阵列"
SW1["VBG3638 \n 通道1"]
SW2["VBG3638 \n 通道2"]
SW3["VBG3638 \n 通道3"]
SW4["VBG3638 \n 通道4"]
end
J --> SW1
J --> SW2
J --> SW3
J --> SW4
SW1 --> K[摄像头模块]
SW2 --> L[超声波传感器]
SW3 --> M[水质传感器]
SW4 --> N[惯性测量单元]
O[MCU GPIO] --> P[使能控制]
P --> J
Q[电流监测] --> R[故障检测]
R --> J
end
subgraph "信号与防护"
S["三防漆涂层"] --> Q1
S --> SW1
T["滤波电容"] --> U["电源去耦"]
U --> K
U --> L
V["ESD保护"] --> W["接口防护"]
W --> K
W --> L
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
DC-DC转换与智能配电拓扑详图
graph LR
subgraph "同步Buck转换器"
A[48V输入] --> B[控制IC]
subgraph "功率开关"
Q_HIGH["VBC7P3017 \n 高侧P-MOS"]
Q_LOW["VBJ1311 \n 低侧N-MOS"]
end
B --> C[高侧驱动]
B --> D[低侧驱动]
C --> Q_HIGH
D --> Q_LOW
Q_HIGH --> E[开关节点]
Q_LOW --> F[功率地]
E --> G[功率电感]
G --> H[输出电容]
H --> I[12V输出]
J[反馈网络] --> B
end
subgraph "高侧负载开关网络"
K[24V/48V总线] --> L[电平移位器]
subgraph "P-MOS开关阵列"
HS1["VBC7P3017 \n 开关1"]
HS2["VBC7P3017 \n 开关2"]
HS3["VBC7P3017 \n 开关3"]
end
L --> M[驱动电路]
M --> HS1
M --> HS2
M --> HS3
HS1 --> N[负载点1]
HS2 --> O[负载点2]
HS3 --> P[负载点3]
Q[MCU控制] --> L
R[电流检测] --> S[过载保护]
S --> M
end
subgraph "保护与EMC"
T["π型滤波器"] --> A
U["共模电感"] --> K
V["敷铜散热"] --> Q_HIGH
V --> HS1
W["单点接地"] --> X[地平面分割]
Y["TVS防护"] --> Z[浪涌抑制]
Z --> A
Z --> K
end
subgraph "效率优化"
AA["同步整流"] --> AB["效率>95%"]
AC["轻载降频"] --> AD["待机省电"]
AE["多相并联"] --> AF["均流设计"]
end
style Q_HIGH fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style HS1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_LOW fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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