graph LR
subgraph "三相PFC升压电路"
A[三相380VAC] --> B[EMI滤波器]
B --> C[整流桥]
C --> D[升压电感]
D --> E[升压节点]
E --> F["VBN165R08SE \n 650V/8A SJ-MOSFET"]
F --> G[高压母线650VDC]
H[PFC控制器] --> I["隔离驱动器 \n Si827x"]
I --> F
G -->|电压反馈| H
end
subgraph "三相全桥逆变"
G --> J[DC链路电容]
subgraph "A相桥臂"
K1["VBN165R08SE \n 上管"]
K2["VBN165R08SE \n 下管"]
end
subgraph "B相桥臂"
L1["VBN165R08SE \n 上管"]
L2["VBN165R08SE \n 下管"]
end
subgraph "C相桥臂"
M1["VBN165R08SE \n 上管"]
M2["VBN165R08SE \n 下管"]
end
J --> K1
J --> L1
J --> M1
K1 --> N[A相输出]
K2 --> N
L1 --> O[B相输出]
L2 --> O
M1 --> P[C相输出]
M2 --> P
K2 --> Q[功率地]
L2 --> Q
M2 --> Q
R[逆变控制器] --> S["隔离驱动器 \n Si827x"]
S --> K1
S --> K2
S --> L1
S --> L2
S --> M1
S --> M2
end
subgraph "保护电路"
T[RC吸收网络] --> F
U[TVS阵列] --> I
U --> S
V[电流检测] --> W[比较器]
W --> X[故障锁存]
X --> H
X --> R
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电源与电池管理拓扑详图
graph TB
subgraph "电池充放电管理"
A["48V电池组"] --> B["双向DC-DC变换器"]
subgraph "Buck/Boost开关管"
C["VBGA1156N \n 150V/5A SGT-MOSFET"]
D["VBGA1156N \n 150V/5A SGT-MOSFET"]
end
B --> C
B --> D
C --> E["电感储能"]
D --> E
E --> F[输出滤波]
F --> G[辅助母线]
H[电池管理IC] --> I["栅极驱动器 \n TC4427"]
I --> C
I --> D
G -->|电压反馈| H
end
subgraph "隔离辅助电源"
subgraph "正激/反激拓扑"
J["VBGA1156N \n 原边开关"]
K["VBGA1156N \n 同步整流"]
end
G --> L[高频变压器]
L --> J
L --> K
J --> M[控制IC]
K --> N[输出整流]
N --> O["12V/5V输出"]
P[PWM控制器] --> Q[驱动器]
Q --> J
Q --> K
end
subgraph "PCB散热设计"
R["大面积敷铜 \n >100mm²"] --> C
S["散热过孔阵列"] --> R
T["底层铜箔"] --> S
U["导热硅脂"] --> J
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
冗余与旁路控制拓扑详图
graph LR
subgraph "冗余控制通道"
A[主控MCU] --> B[逻辑电平3.3V]
subgraph "VBC6N2022双N-MOS阵列"
C["通道1: 共漏N+N"]
D["通道2: 共漏N+N"]
E["通道3: 共漏N+N"]
end
B --> C
B --> D
B --> E
C --> F["模块同步信号"]
D --> G["状态监测回路"]
E --> H["故障报警链路"]
F --> I[并联总线]
G --> J[监控系统]
H --> K[保护触发]
end
subgraph "静态旁路控制"
L["旁路控制器"] --> M[逻辑电路]
subgraph "旁路信号开关"
N["VBC6N2022 \n 控制通道1"]
O["VBC6N2022 \n 控制通道2"]
end
M --> N
M --> O
N --> P[旁路使能]
O --> Q[旁路状态]
P --> R[静态开关驱动]
Q --> S[状态反馈]
R --> T["静态旁路开关 \n SCR/IGBT"]
U[市电输入] --> T
T --> V[负载输出]
end
subgraph "直接驱动设计"
W["MCU GPIO"] --> X["22-100Ω串联电阻"]
X --> C
Y["下拉电阻10kΩ"] --> C
Z[3.3V逻辑电平] -->|直接驱动| C
end
style C fill:#fce4ec,stroke:#e91e63,stroke-width:2px
style N fill:#fce4ec,stroke:#e91e63,stroke-width:2px
点击下载：VBP17R12规格书
中文
English
