graph LR
subgraph "BLDC三相逆变桥"
A[MCU PWM输出] --> B[FOC/SVPWM控制器]
B --> C[三相栅极驱动器]
subgraph "下桥臂MOSFET阵列"
C --> D["VBQF3316 \n 通道1"]
C --> E["VBQF3316 \n 通道2"]
C --> F["VBQF3316 \n 通道3"]
end
G[12V/24V电源] --> H[预驱电源]
H --> C
D --> I[风扇绕组U相]
E --> J[风扇绕组V相]
F --> K[风扇绕组W相]
I --> L[电流采样电阻]
J --> L
K --> L
L --> M[系统地]
I --> N[续流回路]
J --> N
K --> N
end
subgraph "保护与监控"
O[过流检测] --> P[比较器]
P --> Q[故障锁存]
Q --> R[关断信号]
R --> D
R --> E
R --> F
S[温度传感器] --> T[ADC]
T --> B
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电子水泵驱动拓扑详图
graph TB
subgraph "高侧P-MOS驱动"
A[MCU GPIO] --> B[电平转换电路]
B --> C["VBC2333栅极 \n (P-MOS)"]
D[车辆电源] --> E[输入滤波]
E --> F["VBC2333漏极"]
F --> G[电子水泵正极]
G --> H[电子水泵负极]
H --> I[系统地]
subgraph "续流保护"
J[肖特基二极管] --> G
K[RC吸收网络] --> G
L[TVS管] --> F
end
C --> M[VBC2333源极]
M --> N[水泵电流检测]
N --> I
end
subgraph "调速与保护"
O[PWM信号] --> B
P[电流采样] --> Q[电流放大器]
Q --> R[比较器]
R --> S[过流保护]
S --> T[关断逻辑]
T --> C
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
辅助负载管理拓扑详图
graph LR
subgraph "双P-MOS负载开关"
A[MCU控制信号1] --> B[电平转换]
A2[MCU控制信号2] --> B2[电平转换]
B --> C["VB4610N \n 通道1栅极"]
B2 --> D["VB4610N \n 通道2栅极"]
E[辅助电源总线] --> F["VB4610N漏极1"]
E --> G["VB4610N漏极2"]
F --> H[VB4610N源极1]
G --> I[VB4610N源极2]
H --> J[负载1: 传感器]
I --> K[负载2: 执行器]
J --> L[负载地]
K --> L
subgraph "第二颗VB4610N"
M[MCU控制信号3] --> N[电平转换]
M2[MCU控制信号4] --> N2[电平转换]
N --> O["VB4610N \n 通道3栅极"]
N2 --> P["VB4610N \n 通道4栅极"]
E --> Q["VB4610N漏极3"]
E --> R["VB4610N漏极4"]
Q --> S[VB4610N源极3]
R --> T[VB4610N源极4]
S --> U[负载3: 指示灯]
T --> V[负载4: 通信模块]
U --> W[负载地]
V --> W
end
end
subgraph "智能管理"
X[温度信号] --> Y[MCU决策逻辑]
Z[系统状态] --> Y
Y --> A
Y --> A2
Y --> M
Y --> M2
AA[负载电流检测] --> BB[故障检测]
BB --> CC[保护关断]
CC --> C
CC --> D
CC --> O
CC --> P
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VB4610N规格书
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