graph TB
subgraph "高压输入与整流"
A["三相380VAC \n 工业输入"] --> B["EMI滤波器 \n X/Y电容,共模电感"]
B --> C["三相整流桥 \n 600V/35A"]
C --> D["直流母线电容 \n 540VDC"]
D --> E["母线电压检测"]
E --> F["过压保护电路"]
end
subgraph "隔离型开关电源拓扑"
D --> G["反激/双管正激 \n 开关节点"]
G --> H["VBM18R15S \n 800V/15A \n 高压隔离开关"]
H --> I["隔离变压器 \n 初级绕组"]
I --> J["初级侧地"]
K["PWM控制器"] --> L["栅极驱动器"]
L --> H
I --> M["变压器辅助绕组 \n VCC供电"]
end
subgraph "次级输出与反馈"
I --> N["隔离变压器 \n 次级绕组"]
N --> O["同步整流 \n 输出整流"]
O --> P["LC滤波网络"]
P --> Q["稳压输出 \n 24V/48V"]
R["光耦隔离反馈"] --> K
Q --> R
end
subgraph "保护电路"
S["RCD钳位电路"] --> H
T["输入浪涌保护 \n 压敏电阻/气体放电管"] --> A
U["电流检测 \n 霍尔传感器"] --> I
U --> V["过流保护"]
V --> K
end
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主成型电机驱动级拓扑详图
graph LR
subgraph "H桥电机驱动拓扑"
A["驱动电源 \n 24V/48V"] --> B["输入电容 \n 低ESR电解+陶瓷"]
B --> C["H桥左上臂"]
B --> D["H桥右上臂"]
C --> E["VBM1302S \n 30V/170A"]
D --> F["VBM1302S \n 30V/170A"]
E --> G["电机正极"]
F --> H["电机负极"]
I["H桥左下臂"] --> J["电源地"]
K["H桥右下臂"] --> J
E --> I
F --> K
I --> L["VBM1302S \n 30V/170A"]
K --> M["VBM1302S \n 30V/170A"]
end
subgraph "驱动与控制电路"
N["电机控制器"] --> O["高电流栅极驱动器 \n 4A驱动能力"]
O --> E
O --> F
O --> L
O --> M
P["电流采样 \n 精密运放"] --> G
P --> H
P --> Q["过流比较器"]
Q --> N
end
subgraph "保护与续流"
R["续流二极管 \n 或利用体二极管"] --> E
S["续流二极管 \n 或利用体二极管"] --> F
T["电压尖峰吸收 \n RC缓冲电路"] --> E
U["温度传感器 \n NTC"] --> E
U --> V["过温保护"]
V --> N
end
subgraph "电机接口"
G --> W["直流有刷电机 \n 或低压无刷电机"]
H --> W
X["编码器反馈"] --> N
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与热管理拓扑详图
graph TB
subgraph "多路同步降压转换器"
A["辅助输入 \n 12V/24V"] --> B["输入滤波"]
B --> C["同步降压控制器"]
C --> D["高侧开关节点"]
D --> E["VBGQF1102N \n 100V/27A \n 高侧开关"]
E --> F["电感节点"]
F --> G["输出电感"]
G --> H["输出电容"]
H --> I["稳压输出 \n 5V/3.3V"]
J["低侧开关节点"] --> K["电源地"]
E --> J
J --> L["VBGQF1102N \n 100V/27A \n 低侧开关"]
M["电流模式控制"] --> C
N["电压反馈"] --> M
I --> N
end
subgraph "智能负载管理矩阵"
I --> O["负载开关矩阵"]
subgraph "负载开关通道"
P["通道1: AI计算模块"]
Q["通道2: 传感器阵列"]
R["通道3: 电磁阀组"]
S["通道4: 冷却风扇"]
T["通道5: 通信模块"]
end
O --> P
O --> Q
O --> R
O --> S
O --> T
U["MCU GPIO控制"] --> O
V["负载电流监测"] --> U
end
subgraph "三级热管理系统"
subgraph "一级散热(强制冷却)"
W["风冷散热器 \n 铝挤型+风扇"]
X["热管均温板"]
end
subgraph "二级散热(自然冷却)"
Y["铝制散热片 \n TO-220安装"]
end
subgraph "三级散热(PCB导热)"
Z["2oz厚铜PCB \n 散热过孔阵列 \n 底部散热焊盘"]
end
W --> E_MOTOR["主电机MOSFET"]
X --> E_MOTOR
Y --> E_ISO["高压隔离MOSFET"]
Z --> E_AUX["辅助电源MOSFET"]
end
subgraph "温度监控网络"
AA["温度传感器1 \n 主MOSFET"] --> AB["MCU ADC"]
AC["温度传感器2 \n 散热器"] --> AB
AD["温度传感器3 \n 环境温度"] --> AB
AB --> AE["PWM风扇控制"]
AB --> AF["降频保护逻辑"]
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBM18R15S规格书
中文
English
