graph LR
subgraph "双电机H桥驱动拓扑"
A["24V主电源"] --> B["输入滤波器 \n LC网络"]
B --> C["电机驱动控制器"]
C --> D["PWM信号发生器"]
D --> E["栅极驱动器"]
subgraph "左电机H桥"
F1["VBB1328 \n 高侧Q1"]
F2["VBB1328 \n 低侧Q2"]
F3["VBB1328 \n 高侧Q3"]
F4["VBB1328 \n 低侧Q4"]
end
subgraph "右电机H桥"
G1["VBB1328 \n 高侧Q5"]
G2["VBB1328 \n 低侧Q6"]
G3["VBB1328 \n 高侧Q7"]
G4["VBB1328 \n 低侧Q8"]
end
E --> F1
E --> F2
E --> F3
E --> F4
E --> G1
E --> G2
E --> G3
E --> G4
F1 --> H["左电机M+"]
F2 --> I["左电机M-"]
F3 --> I
F4 --> H
G1 --> J["右电机M+"]
G2 --> K["右电机M-"]
G3 --> K
G4 --> J
end
subgraph "保护与检测电路"
L["电流采样电阻"] --> M["差分放大器"]
M --> N["ADC转换"]
N --> O["过流保护逻辑"]
O --> P["故障关断"]
P --> F1
P --> G1
Q["RC缓冲电路"] --> F1
Q --> G1
R["温度传感器"] --> S["热保护"]
S --> P
end
style F1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多路传感器负载管理拓扑详图
graph TB
subgraph "VBQF5325双路负载开关配置"
A["主控MCU GPIO"] --> B["电平转换电路"]
B --> C["VBQF5325 \n 使能控制"]
subgraph "通道1: N沟道开关"
D["VBQF5325 N-ch \n IN1引脚"]
E["VBQF5325 N-ch \n 源极S1"]
F["VBQF5325 N-ch \n 漏极D1"]
end
subgraph "通道2: P沟道开关"
G["VBQF5325 P-ch \n IN2引脚"]
H["VBQF5325 P-ch \n 源极S2"]
I["VBQF5325 P-ch \n 漏极D2"]
end
C --> D
C --> G
PWR_12V["12V传感器电源"] --> F
PWR_5V["5V逻辑电源"] --> I
E --> J["激光雷达模块 \n +12V/1.5A"]
H --> K["深度相机模块 \n -5V/0.8A"]
J --> L["负载电流检测"]
K --> L
L --> M["故障诊断电路"]
M --> A
end
subgraph "多模块并行管理"
N["VBQF5325阵列#2"] --> O["音频功放 \n +12V/2A"]
P["VBQF5325阵列#3"] --> Q["显示屏背光 \n -5V/1.2A"]
R["VBQF5325阵列#4"] --> S["Wi-Fi模块 \n +3.3V/0.6A"]
T["动态电源管理 \n DPM算法"] --> U["微秒级唤醒/休眠"]
U --> N
U --> P
U --> R
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全制动与热管理拓扑详图
graph LR
subgraph "紧急制动安全回路"
A["安全监控MCU"] --> B["硬件互锁信号"]
B --> C["光耦隔离"]
C --> D["VBI2201K栅极驱动"]
D --> E["VBI2201K \n P沟道高压MOSFET"]
F["24V主电源"] --> E
E --> G["刹车电磁铁 \n 高感性负载"]
G --> H["续流二极管 \n 保护网络"]
H --> I["反峰电压吸收"]
I --> J["-200V耐压安全裕量"]
end
subgraph "三级热管理系统"
K["一级热管理 \n PCB敷铜+过孔"] --> L["VBB1328 MOSFET"]
M["二级热管理 \n 金属支架传导"] --> N["VBQF5325负载开关"]
O["三级热管理 \n 自然对流"] --> P["控制IC与MCU"]
Q["温度传感器阵列"] --> R["多点温度监控"]
R --> S["自适应PWM控制"]
S --> T["散热风扇"]
S --> U["负载降额策略"]
end
subgraph "电磁兼容与保护"
V["π型滤波器"] --> W["电池输入端"]
X["共模磁珠"] --> Y["电机驱动线"]
Z["X2Y电容阵列"] --> AA["敏感电路旁路"]
AB["TVS保护阵列"] --> AC["所有I/O端口"]
AD["肖特基二极管"] --> AE["感性负载续流"]
end
style E fill:#ffebee,stroke:#f44336,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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