graph TB
subgraph "三相PFC级 (前端)"
A["三相400VAC输入"] --> B["EMI滤波器"]
B --> C["三相整流桥"]
C --> D["PFC升压电感"]
D --> E["PFC开关节点"]
E --> F["PFC开关管"]
F --> G["高压直流母线 \n ~600-700VDC"]
H["PFC控制器"] --> I["栅极驱动器"]
I --> F
G -->|电压反馈| H
end
subgraph "LLC/移相全桥隔离DC-DC级"
G --> J["谐振电容Cr \n 与谐振电感Lr"]
J --> K["变压器初级 \n 励磁电感Lm"]
K --> L["初级开关节点"]
L --> M["VBFB17R10S \n 主开关Q1"]
M --> N["初级地"]
L --> O["VBFB17R10S \n 主开关Q2"]
O --> N
L --> P["VBFB17R10S \n 主开关Q3"]
P --> N
L --> Q["VBFB17R10S \n 主开关Q4"]
Q --> N
R["LLC/移相控制器"] --> S["隔离栅极驱动器"]
S --> M
S --> O
S --> P
S --> Q
K --> T["高频变压器 \n 变比N:1"]
T --> U["次级同步整流"]
U --> V["输出滤波"]
V --> W["直流输出 \n 50-500VDC"]
W --> X["飞行器电池 \n BMS通信接口"]
X -->|充电曲线| R
end
subgraph "保护与缓冲电路"
Y["RCD缓冲网络"] --> M
Z["RC吸收电路"] --> O
AA["电压尖峰检测"] --> BB["故障锁存"]
BB --> CC["驱动关断"]
CC --> S
end
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
动力加载测试台拓扑详图 (VBGP11505应用)
graph LR
subgraph "三相整流与直流母线"
A["三相400VAC输入"] --> B["整流桥与滤波"]
B --> C["直流母线电容 \n 300-600VDC"]
end
subgraph "三相逆变桥 (6开关拓扑)"
C --> D["U相上桥"]
C --> E["V相上桥"]
C --> F["W相上桥"]
D --> G["VBGP11505 Q1"]
E --> H["VBGP11505 Q3"]
F --> I["VBGP11505 Q5"]
G --> J["U相输出"]
H --> K["V相输出"]
I --> L["W相输出"]
M["U相下桥"] --> G
N["V相下桥"] --> H
O["W相下桥"] --> I
M --> P["VBGP11505 Q2"]
N --> Q["VBGP11505 Q4"]
O --> R["VBGP11505 Q6"]
P --> S["直流负端"]
Q --> S
R --> S
J --> T["负载电机 \n U相"]
K --> U["负载电机 \n V相"]
L --> V["负载电机 \n W相"]
end
subgraph "伺服控制与驱动"
W["伺服控制器 \n (位置/速度/转矩)"] --> X["空间矢量调制 \n SVPWM算法"]
X --> Y["PWM信号生成"]
Y --> Z["隔离栅极驱动器 \n (高电流驱动能力)"]
Z --> G
Z --> P
Z --> H
Z --> Q
Z --> I
Z --> R
AA["电机编码器反馈"] --> W
AB["电流传感器 \n (霍尔/采样电阻)"] --> AC["电流环处理"]
AC --> W
end
subgraph "保护与散热"
AD["过流保护比较器"] --> AE["故障信号"]
AE --> Z
AF["温度传感器"] --> AG["热管理单元"]
AG --> AH["液冷泵控制"]
AG --> AI["风扇控制"]
AH --> AJ["液冷板"]
AI --> AK["强制风冷"]
AJ --> G
AJ --> H
AK --> P
AK --> Q
end
style G fill:#ffebee,stroke:#f44336,stroke-width:2px
style P fill:#ffebee,stroke:#f44336,stroke-width:2px
多通道控制终端拓扑详图 (VBQF1206应用)
graph TB
subgraph "分布式电源分配"
A["24V辅助电源总线"] --> B["本地LDO/DC-DC"]
B --> C["5V/3.3V逻辑电源"]
C --> D["主控MCU/FPGA"]
D --> E["多路PWM/GPIO"]
end
subgraph "通道1: 力反馈电机控制"
E --> F["PWM通道1"]
F --> G["电平转换器 \n 3.3V to 5V"]
G --> H["VBQF1206 Q1 \n 栅极"]
H --> I["源极连接"]
I --> J["力反馈电机M1"]
J --> K["电流检测"]
K --> L["地"]
M["24V电源"] --> N["VBQF1206 Q1 \n 漏极"]
N --> I
O["续流二极管"] --> J
end
subgraph "通道2: 环境灯光控制"
E --> P["PWM通道2"]
P --> Q["电平转换器 \n 3.3V to 5V"]
Q --> R["VBQF1206 Q2 \n 栅极"]
R --> S["源极连接"]
S --> T["LED灯组"]
T --> U["地"]
V["24V电源"] --> W["VBQF1206 Q2 \n 漏极"]
W --> S
end
subgraph "通道N: 通用负载控制"
E --> X["PWM通道N"]
X --> Y["电平转换器 \n 3.3V to 5V"]
Y --> Z["VBQF1206 QN \n 栅极"]
Z --> AA["源极连接"]
AA --> BB["负载N (电磁阀/继电器等)"]
BB --> CC["地"]
DD["24V电源"] --> EE["VBQF1206 QN \n 漏极"]
EE --> AA
end
subgraph "PCB布局与散热"
FF["高密度PCB布局"] --> GG["散热焊盘设计"]
GG --> HH["内部接地铜层"]
HH --> II["热量扩散"]
JJ["VBQF1206并联"] --> KK["均流设计"]
LL["去耦电容阵列"] --> D
end
subgraph "保护电路"
MM["栅极电阻"] --> H
MM --> R
MM --> Z
NN["TVS保护"] --> OO["栅源保护"]
PP["RC吸收网络"] --> J
QQ["过流检测"] --> RR["快速关断"]
RR --> D
end
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style R fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBGP11505规格书
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