graph LR
subgraph "三相逆变桥功率级"
A[48V动力总线] --> B[EMI滤波器]
B --> C[DC-Link电容]
C --> D[三相逆变桥]
subgraph "VBQF1615 MOSFET阵列"
Q1["上桥A相 \n 60V/15A"]
Q2["下桥A相 \n 60V/15A"]
Q3["上桥B相 \n 60V/15A"]
Q4["下桥B相 \n 60V/15A"]
Q5["上桥C相 \n 60V/15A"]
Q6["下桥C相 \n 60V/15A"]
end
D --> Q1
D --> Q3
D --> Q5
Q1 --> E[A相输出]
Q2 --> F[功率地]
Q3 --> G[B相输出]
Q4 --> F
Q5 --> H[C相输出]
Q6 --> F
E --> I[BLDC电机]
G --> I
H --> I
end
subgraph "栅极驱动与控制"
J[电调控制器] --> K[FD6288驱动器]
K --> L[A相驱动]
K --> M[B相驱动]
K --> N[C相驱动]
L --> Q1
L --> Q2
M --> Q3
M --> Q4
N --> Q5
N --> Q6
O[霍尔传感器] --> J
P[电流检测] --> J
Q[温度监控] --> J
end
subgraph "保护电路"
R[RC吸收网络] --> Q1
R --> Q3
R --> Q5
S[过流比较器] --> T[故障锁存]
T --> U[关断信号]
U --> K
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q2 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高效DCDC同步整流拓扑详图
graph TB
subgraph "同步Buck变换器"
A[48V输入] --> B[输入滤波]
B --> C[DCDC控制器]
C --> D[栅极驱动器]
D --> E["主开关Q1 \n VBQF1104N"]
D --> F["同步整流Q2 \n VBQF1320"]
E --> G[功率电感]
F --> G
G --> H[输出滤波]
H --> I[12V输出]
subgraph "VBQF1320同步整流"
Q_SYNC["VBQF1320 \n 30V/18A \n Rds(on)=21mΩ"]
end
D --> Q_SYNC
Q_SYNC --> G
J[反馈网络] --> C
K[软启动] --> C
end
subgraph "多路输出转换"
I --> L[5V LDO]
I --> M[3.3V LDO]
I --> N[1.8V LDO]
L --> O[数字电路供电]
M --> P[模拟电路供电]
N --> Q[核心MCU供电]
end
subgraph "保护功能"
R[输入过压保护] --> C
S[输出过流保护] --> C
T[过温保护] --> C
U[输出短路保护] --> C
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_SYNC fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "MCU控制接口"
A[主控MCU] --> B[GPIO端口]
B --> C[电平转换器]
C --> D[控制总线]
end
subgraph "智能负载开关阵列"
subgraph "VBTA1290开关通道"
SW1["通道1: 传感器 \n VBTA1290"]
SW2["通道2: 通信 \n VBTA1290"]
SW3["通道3: AI处理器 \n VBTA1290"]
SW4["通道4: 相机 \n VBTA1290"]
SW5["通道5: 导航 \n VBTA1290"]
SW6["通道6: 存储 \n VBTA1290"]
end
D --> SW1
D --> SW2
D --> SW3
D --> SW4
D --> SW5
D --> SW6
E[12V辅助电源] --> SW1
E --> SW2
E --> SW3
E --> SW4
E --> SW5
E --> SW6
SW1 --> F[传感器阵列]
SW2 --> G[5G/Wi-Fi模块]
SW3 --> H[AI协处理器]
SW4 --> I[视觉相机]
SW5 --> J[导航系统]
SW6 --> K[存储设备]
F --> L[系统地]
G --> L
H --> L
I --> L
J --> L
K --> L
end
subgraph "集成化方案"
M["VBQG4338A \n 双P-MOS集成"] --> N[双路负载]
O["VBK162K \n SC70-3微小开关"] --> P[信号切换]
end
subgraph "保护电路"
Q[栅极串联电阻] --> SW1
R[ESD保护] --> SW1
S[续流二极管] --> F
T[π型滤波器] --> F
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBQF1104N规格书
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