graph LR
subgraph "单通道电磁阀驱动"
A[PWM控制器] --> B[栅极驱动器]
B --> C["VBL1102N \n 100V/70A"]
C --> D[电磁阀线圈]
D --> E[电流采样电阻]
E --> F[地]
G[TVS保护] --> C
H[RC缓冲电路] --> C
I[米勒箝位] --> B
end
subgraph "多阀并联驱动拓扑"
J[MCU PWM输出] --> K[多路驱动器]
K --> L["阀组MOSFET阵列 \n 4x VBL1102N"]
L --> M[液压阀组]
M --> N[公共电流检测]
N --> O[故障诊断电路]
O --> P[保护关断]
P --> L
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
泵电机驱动拓扑详图
graph TB
subgraph "三相桥式驱动拓扑"
A[12V输入] --> B[升压变换器]
B --> C["高压母线 \n ~300VDC"]
C --> D[三相预驱芯片]
D --> E["上桥: VBMB16R26S"]
D --> F["下桥: VBMB16R26S"]
E --> G[U相输出]
F --> G
E --> H[V相输出]
F --> H
E --> I[W相输出]
F --> I
G --> J[无刷电机]
H --> J
I --> J
end
subgraph "驱动保护电路"
K[栅极电阻调校] --> D
L[RC吸收网络] --> E
L --> F
M[过流比较器] --> N[硬件关断]
N --> D
O[温度传感器] --> P[过温保护]
P --> D
end
subgraph "电流检测与反馈"
Q[相电流采样] --> R[ADC接口]
Q --> S[硬件保护]
S --> N
T[母线电流检测] --> U[功率监控]
U --> MCU
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能开关与保护拓扑详图
graph LR
subgraph "VB5610N双路智能开关"
A[MCU GPIO] --> B[电平转换]
B --> C["VB5610N输入"]
subgraph D ["VB5610N内部结构"]
direction LR
IN1[栅极控制1]
IN2[栅极控制2]
S1[源极1]
S2[源极2]
D1[漏极1]
D2[漏极2]
BODY_DIODE1[体二极管1]
BODY_DIODE2[体二极管2]
end
C --> IN1
C --> IN2
VCC_12V[12V电源] --> D1
VCC_12V --> D2
S1 --> E[负载1]
S2 --> F[负载2]
E --> G[地]
F --> G
end
subgraph "诊断与保护功能"
H[电流检测] --> I[开路诊断]
H --> J[短路诊断]
K[温度监测] --> L[过温保护]
M[状态反馈] --> N[MCU诊断接口]
I --> N
J --> N
L --> O[自动关断]
O --> C
end
subgraph "系统级保护网络"
P[TVS阵列] --> Q[电源输入]
R[对地钳位] --> S[输出接口]
T[对电源钳位] --> S
U[逐周期保护] --> V[故障锁存]
V --> W[系统复位]
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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