graph LR
subgraph "三相并网逆变器"
A["三相电网输入"] --> B["EMI滤波器"]
B --> C["隔离变压器"]
C --> D["三相逆变桥"]
subgraph "T型三电平拓扑"
E["VBP19R20S \n 900V/20A"]
F["VBP19R20S \n 900V/20A"]
G["VBP19R20S \n 900V/20A"]
H["VBP19R20S \n 900V/20A"]
I["VBP19R20S \n 900V/20A"]
J["VBP19R20S \n 900V/20A"]
end
D --> E
D --> F
D --> G
D --> H
D --> I
D --> J
E --> K["高压直流母线 \n +400VDC"]
F --> K
G --> K
H --> L["中性点"]
I --> L
J --> M["高压直流母线 \n -400VDC"]
end
subgraph "控制与保护"
N["DSP控制器"] --> O["PWM发生器"]
O --> P["栅极驱动器"]
P --> E
P --> F
P --> G
P --> H
P --> I
P --> J
Q["电流采样"] --> N
R["电压采样"] --> N
S["温度传感器"] --> N
T["RCD缓冲电路"] --> E
U["RC吸收电路"] --> H
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
隔离型DC-DC变换器拓扑详图
graph TB
subgraph "双向LLC谐振变换器"
A["高压直流母线"] --> B["输入滤波"]
B --> C["全桥/半桥拓扑"]
subgraph "原边开关阵列"
D["VBMB16R20SE \n 600V/20A"]
E["VBMB16R20SE \n 600V/20A"]
F["VBMB16R20SE \n 600V/20A"]
G["VBMB16R20SE \n 600V/20A"]
end
C --> D
C --> E
C --> F
C --> G
D --> H["LLC谐振腔 \n Lr,Cr,Lm"]
E --> H
F --> H
G --> H
H --> I["高频变压器"]
I --> J["同步整流桥"]
J --> K["输出滤波"]
K --> L["电池侧直流母线"]
end
subgraph "同步整流侧"
subgraph "次级开关阵列"
M["低压MOSFET"]
N["低压MOSFET"]
O["低压MOSFET"]
P["低压MOSFET"]
end
I --> M
I --> N
I --> O
I --> P
M --> K
N --> K
O --> K
P --> K
end
subgraph "控制与驱动"
Q["LLC控制器"] --> R["原边驱动器"]
R --> D
R --> E
R --> F
R --> G
Q --> S["同步整流控制器"]
S --> T["同步整流驱动器"]
T --> M
T --> N
T --> O
T --> P
U["电流检测"] --> Q
V["电压检测"] --> Q
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池管理系统拓扑详图
graph LR
subgraph "电池簇主动均衡系统"
A["电池模组1"] --> B["均衡电感"]
C["电池模组2"] --> B
subgraph "均衡开关阵列"
D["VBE1302 \n 30V/120A"]
E["VBE1302 \n 30V/120A"]
end
B --> D
B --> E
D --> F["均衡控制器"]
E --> F
F --> G["BMS主控制器"]
end
subgraph "簇级保护开关"
H["电池簇正极"] --> I["主保护开关"]
subgraph "保护开关阵列"
J["VBE1302 \n 30V/120A"]
K["VBE1302 \n 30V/120A"]
end
I --> J
I --> K
J --> L["系统直流母线"]
K --> L
M["电流检测"] --> N["保护逻辑"]
N --> O["驱动电路"]
O --> J
O --> K
P["温度检测"] --> N
end
subgraph "PCB热设计"
Q["VBE1302阵列"] --> R["多层PCB \n 厚铜箔设计"]
R --> S["散热过孔阵列"]
S --> T["PCB背面铜层"]
T --> U["金属散热支架"]
V["温度传感器"] --> W["热管理控制器"]
W --> X["风扇/PWM控制"]
end
subgraph "控制与通信"
Y["BMS控制器"] --> Z["AFE电池监控"]
Y --> AA["均衡控制逻辑"]
Y --> BB["保护算法"]
Y --> CC["CAN通信"]
CC --> DD["主控制器"]
CC --> EE["云平台"]
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBE1302规格书
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