graph LR
subgraph "三相全桥逆变器拓扑"
A[直流母线] --> B["上桥臂Q1 \n VBQF1302"]
A --> C["上桥臂Q3 \n VBQF1302"]
A --> D["上桥臂Q5 \n VBQF1302"]
B --> E[相线A]
C --> F[相线B]
D --> G[相线C]
E --> H["下桥臂Q2 \n VBQF1302"]
F --> I["下桥臂Q4 \n VBQF1302"]
G --> J["下桥臂Q6 \n VBQF1302"]
H --> K[地]
I --> K
J --> K
end
subgraph "栅极驱动与控制"
L[FOC控制器] --> M[栅极驱动器]
M --> N[上桥臂驱动]
M --> O[下桥臂驱动]
N --> B
N --> C
N --> D
O --> H
O --> I
O --> J
end
subgraph "保护与缓冲电路"
P[RC缓冲网络] --> E
Q[RC缓冲网络] --> F
R[RC缓冲网络] --> G
S[TVS阵列] --> M
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池管理系统拓扑详图
graph TB
subgraph "电池保护开关拓扑"
A[电池正极] --> B["放电开关 \n VBQG1101M"]
C[电池负极] --> D["充电开关 \n VBQG1101M"]
B --> E[放电端口]
D --> F[充电端口]
E --> G[负载]
F --> H[充电器]
end
subgraph "BMS监控电路"
I[BMS控制器] --> J["电压均衡电路"]
I --> K["电流检测电路"]
I --> L["温度监控"]
J --> M[电池单体1]
J --> N[电池单体2]
J --> O[电池单体N]
K --> P[电流传感器]
L --> Q[温度传感器1]
L --> R[温度传感器2]
end
subgraph "保护网络"
S[过压保护] --> I
T[欠压保护] --> I
U[过流保护] --> I
V[过温保护] --> I
W["关断信号"] --> B
W --> D
end
subgraph "通信接口"
I --> X[CAN总线]
I --> Y[I2C接口]
I --> Z[UART接口]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "双MOSFET开关通道"
A[MCU GPIO] --> B[电平转换]
B --> C["VBQG5325输入"]
subgraph C ["VBQG5325 双MOS结构"]
direction LR
IN_GATE["栅极控制"]
P_SOURCE["P-MOS源极"]
N_SOURCE["N-MOS源极"]
P_DRAIN["P-MOS漏极"]
N_DRAIN["N-MOS漏极"]
end
VCC_12V[12V电源] --> P_DRAIN
GND_SYS[系统地] --> N_SOURCE
P_SOURCE --> D[高侧负载]
N_DRAIN --> E[低侧负载]
end
subgraph "负载应用实例"
F["车灯控制"] --> G["高侧开关模式"]
H["电平转换"] --> I["N+P配对模式"]
J["半桥驱动"] --> K["电机刹车"]
G --> D
I --> D
I --> E
K --> D
K --> E
end
subgraph "保护电路"
L[续流二极管] --> D
M[续流二极管] --> E
N[TVS保护] --> C
O[限流电阻] --> B
end
subgraph "电源管理"
P[软启动电路] --> C
Q[时序控制] --> A
R[休眠唤醒] --> A
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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