graph TB
subgraph "多相Buck转换器架构"
A[20V输入总线] --> B[输入电容阵列]
B --> C[上桥MOSFET]
C --> D[开关节点]
D --> E["下桥同步整流MOSFET \n VBQF1202 20V/100A"]
E --> F[地平面]
D --> G[功率电感]
G --> H[输出电容阵列]
H --> I[核心电压输出 \n 0.8-1.2V]
I --> J[SoC处理器]
K[多相Buck控制器] --> L["相位1驱动"]
K --> M["相位2驱动"]
K --> N["相位3驱动"]
K --> O["相位4驱动"]
L --> P1["栅极驱动器1"]
M --> P2["栅极驱动器2"]
N --> P3["栅极驱动器3"]
O --> P4["栅极驱动器4"]
P1 --> C
P1 --> E
P2 --> Q[上桥2]
P2 --> R["下桥2 \n VBQF1202"]
P3 --> S[上桥3]
P3 --> T["下桥3 \n VBQF1202"]
P4 --> U[上桥4]
P4 --> V["下桥4 \n VBQF1202"]
subgraph "保护与监控"
W[电流检测] --> X[过流比较器]
Y[电压检测] --> Z[过压/欠压保护]
AA[温度检测] --> BB[热保护]
end
X --> K
Z --> K
BB --> K
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style R fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style T fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style V fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
传感器智能电源管理拓扑详图
graph LR
subgraph "传感器电源管理控制器"
A[MCU/安全控制器] --> B["GPIO控制信号 \n ASIL-B"]
B --> C[电平转换器]
C --> D[驱动缓冲]
E[12V传感器总线] --> F[输入滤波]
F --> G[π型滤波器]
end
subgraph "智能负载开关通道"
subgraph "摄像头通道1"
H["VBC2311 P-MOSFET \n -30V/-9A"] --> I[电流检测]
I --> J[输出滤波]
J --> K["前视摄像头 \n 12V/2A"]
end
subgraph "摄像头通道2"
L["VBC2311 P-MOSFET \n -30V/-9A"] --> M[电流检测]
M --> N[输出滤波]
N --> O["环视摄像头 \n 12V/1.5A"]
end
subgraph "雷达通道"
P["VBC2311 P-MOSFET \n -30V/-9A"] --> Q[电流检测]
Q --> R[输出滤波]
R --> S["毫米波雷达 \n 12V/3A"]
end
subgraph "激光雷达通道"
T["VBC2311 P-MOSFET \n -30V/-9A"] --> U[电流检测]
U --> V[输出滤波]
V --> W["激光雷达 \n 12V/4A"]
end
end
G --> H
G --> L
G --> P
G --> T
D --> H_G["栅极驱动1"]
D --> L_G["栅极驱动2"]
D --> P_G["栅极驱动3"]
D --> T_G["栅极驱动4"]
H_G --> H
L_G --> L
P_G --> P
T_G --> T
subgraph "故障保护与诊断"
X[过流比较器] --> Y[故障锁存]
Z[热关断] --> Y
AA[状态反馈] --> A
Y --> BB[关断信号]
BB --> H_G
BB --> L_G
BB --> P_G
BB --> T_G
end
I --> X
M --> X
Q --> X
U --> X
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style P fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style T fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
冗余电源路径管理拓扑详图
graph TB
subgraph "冗余电源输入"
A["主电池 \n 12V/24V"] --> B[主路径保护]
C["备份电池 \n 12V/24V"] --> D[备份路径保护]
B --> E[主电源总线]
D --> F[备份电源总线]
end
subgraph "双路冗余开关控制器"
G[安全MCU ASIL-D] --> H["控制逻辑 \n 防倒灌"]
H --> I["理想二极管控制器"]
I --> J["通道1驱动"]
I --> K["通道2驱动"]
L[电压监测] --> M[比较器阵列]
N[电流监测] --> M
M --> O["故障检测 \n 与切换逻辑"]
O --> H
end
subgraph "双路集成开关"
subgraph "VB4610N 双P-MOSFET"
direction LR
P["通道1: VB4610N Ch1 \n -60V/-4.5A"]
Q["通道2: VB4610N Ch2 \n -60V/-4.5A"]
end
E --> P
F --> Q
P --> R[或门二极管]
Q --> R
R --> S[输出总线]
J --> P_G["栅极1"]
K --> Q_G["栅极2"]
P_G --> P
Q_G --> Q
end
subgraph "安全关键负载"
S --> T["电动助力转向 \n 备份电源"]
S --> U["电子稳定控制 \n 备份电源"]
S --> V["自动紧急制动 \n 备份电源"]
S --> W["备份存储器 \n 非易失存储"]
end
subgraph "保护电路"
X["TVS阵列 \n ISO 7637-2"] --> E
X --> F
Y["RC缓冲"] --> P
Y --> Q
Z["热保护"] --> P
Z --> Q
end
style P fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQF1202规格书
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