graph LR
subgraph "主动式PFC升压电路"
A["85-265VAC \n 工业输入"] --> B["EMI滤波器 \n Class A标准"]
B --> C["整流桥堆"]
C --> D["PFC升压电感"]
D --> E["PFC开关节点"]
E --> F["VBMB165R09S \n 650V/9A TO-220F"]
F --> G["高压直流母线 \n ~400VDC"]
G --> H["输出滤波电容"]
H --> I["后级负载"]
J["PFC控制器 \n 工业级"] --> K["隔离栅极驱动器"]
K --> F
L["输入电压检测"] --> J
M["输出电压反馈"] --> J
N["电感电流检测"] --> J
O["过流保护电路"] --> J
subgraph "保护电路"
P["RC缓冲网络"] --> F
Q["TVS管阵列"] --> F
R["温度传感器"] --> J
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
end
大电流DC-DC与电机驱动拓扑详图
graph TB
subgraph "同步Buck转换器"
A["48V/24V输入"] --> B["输入电容"]
B --> C["上管开关节点"]
C --> D["VBL1806 \n 80V/120A TO-263"]
D --> E["下管开关节点"]
E --> F["VBL1806 \n 80V/120A TO-263"]
F --> G["功率地"]
D --> H["输出电感"]
H --> I["输出电容"]
I --> J["核心负载 \n GPU/FPGA"]
K["Buck控制器"] --> L["驱动器芯片"]
L --> D
L --> F
M["电流检测"] --> K
N["温度监控"] --> K
end
subgraph "三相电机驱动逆变桥"
O["48V直流母线"] --> P["母线电容"]
subgraph "U相桥臂"
Q_UH["VBL1806 \n 上管"]
Q_UL["VBL1806 \n 下管"]
end
subgraph "V相桥臂"
Q_VH["VBL1806 \n 上管"]
Q_VL["VBL1806 \n 下管"]
end
subgraph "W相桥臂"
Q_WH["VBL1806 \n 上管"]
Q_WL["VBL1806 \n 下管"]
end
P --> Q_UH
P --> Q_VH
P --> Q_WH
Q_UH --> R["U相输出"]
Q_UL --> S["功率地"]
Q_VH --> T["V相输出"]
Q_VL --> S
Q_WH --> U["W相输出"]
Q_WL --> S
R --> V["伺服电机U"]
T --> W["伺服电机V"]
U --> X["伺服电机W"]
Y["电机驱动控制器"] --> Z["三相驱动器"]
Z --> Q_UH
Z --> Q_UL
Z --> Q_VH
Z --> Q_VL
Z --> Q_WH
Z --> Q_WL
AA["电流采样"] --> Y
AB["过流保护"] --> Y
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_UH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "VBA4216双路P-MOS负载开关"
A["MCU/FPGA GPIO"] --> B["电平转换电路 \n 3.3V转5V/12V"]
B --> C["VBA4216 通道1 \n -20V/-8.9A"]
B --> D["VBA4216 通道2 \n -20V/-8.9A"]
E["12V/24V电源"] --> F["输入滤波"]
F --> C
F --> D
C --> G["高亮度LED灯组1"]
D --> H["高亮度LED灯组2"]
subgraph "PWM调光控制"
I["PWM发生器"] --> B
end
subgraph "保护电路"
J["过流检测"] --> K["限流电路"]
L["TVS保护"] --> G
M["续流二极管"] --> G
end
end
subgraph "多路负载时序管理"
N["主控制器"] --> O["电源时序控制器"]
O --> P["VBA4216 相机控制"]
O --> Q["VBA4216 传感器控制"]
O --> R["VBA4216 风扇控制"]
S["24V电源"] --> T["电源分配"]
T --> P
T --> Q
T --> R
P --> U["工业相机"]
Q --> V["传感器阵列"]
R --> W["散热风扇"]
subgraph "状态反馈"
U --> X["状态检测"]
V --> X
W --> X
X --> N
end
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style P fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与保护系统拓扑详图
graph TB
subgraph "分级热管理系统"
A["一级: 强制风冷"] --> B["PFC MOSFET \n VBMB165R09S"]
C["二级: PCB敷铜+散热片"] --> D["Buck MOSFET \n VBL1806"]
C --> E["电机驱动MOSFET \n VBL1806"]
F["三级: 自然冷却"] --> G["负载开关 \n VBA4216"]
F --> H["控制芯片"]
subgraph "温度监控网络"
I["NTC传感器1 \n PFC区域"] --> J["温度采集IC"]
K["NTC传感器2 \n Buck区域"] --> J
L["NTC传感器3 \n 电机驱动区"] --> J
M["NTC传感器4 \n 环境温度"] --> J
end
J --> N["热管理MCU"]
N --> O["PWM风扇控制"]
N --> P["功率降频控制"]
O --> Q["系统风扇阵列"]
P --> D
P --> E
subgraph "过热保护"
R["温度阈值比较器"] --> S["故障锁存"]
S --> T["紧急关断"]
T --> B
T --> D
T --> E
end
end
subgraph "电气保护网络"
U["输入侧保护"] --> V["压敏电阻+气体放电管"]
W["功率级保护"] --> X["RC缓冲+RCD钳位"]
Y["负载侧保护"] --> Z["TVS+肖特基二极管"]
AA["过流保护"] --> AB["电流检测+比较器"]
AC["过压保护"] --> AD["电压检测+比较器"]
AE["短路保护"] --> AF["快速关断电路"]
AB --> AG["保护逻辑"]
AD --> AG
AF --> AG
AG --> AH["全局关断"]
AH --> B
AH --> D
AH --> E
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBL1806规格书
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