graph TB
subgraph "双向DC-DC变换器"
A["直流母线 \n 600-800VDC"] --> B["输入滤波电容"]
B --> C["高压桥臂中点"]
subgraph "高压半桥拓扑"
D["VBPB19R47S \n 高压上管"]
E["VBPB19R47S \n 高压下管"]
end
C --> D
C --> E
D --> F["高频变压器初级"]
E --> G["初级地"]
F --> H["高频变压器次级"]
H --> I["同步整流节点"]
subgraph "同步整流桥"
J["VBPB19R47S \n 同步整流管1"]
K["VBPB19R47S \n 同步整流管2"]
end
I --> J
I --> K
J --> L["输出滤波电感"]
K --> M["输出滤波电容"]
L --> N["直流输出"]
M --> N
end
subgraph "隔离驱动与保护"
O["隔离驱动器 \n ISO5852S"] --> D
O --> E
P["同步整流控制器"] --> J
P --> K
Q["RC吸收电路"] --> C
R["霍尔电流传感器"] --> S["过流保护"]
S --> T["故障锁存"]
T --> O
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
BMS主动均衡与保护拓扑详图
graph LR
subgraph "电池模组均衡电路"
A["电池模组1 \n 12串锂电"] --> B["电芯电压采样"]
B --> C["BMS AFE芯片"]
C --> D["均衡控制逻辑"]
subgraph "主动均衡开关阵列"
E["VBE17R11SE \n 均衡MOSFET1"]
F["VBE17R11SE \n 均衡MOSFET2"]
G["VBE17R11SE \n 均衡MOSFET3"]
end
D --> E
D --> F
D --> G
E --> H["均衡电阻1"]
F --> I["均衡电阻2"]
G --> J["均衡电阻3"]
H --> K["均衡总线"]
I --> K
J --> K
K --> L["均衡能量回收"]
end
subgraph "电池保护开关"
M["电池组正极"] --> N["主保护MOSFET"]
N --> O["负载输出"]
P["BMS主控"] --> Q["保护驱动器"]
Q --> N
R["过流检测"] --> S["短路保护"]
S --> P
end
subgraph "热管理设计"
T["PCB敷铜散热区"] --> E
T --> F
U["温度传感器"] --> P
P --> V["均衡电流调节"]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与智能控制拓扑详图
graph TB
subgraph "多相Buck辅助电源"
A["12V辅助总线"] --> B["输入滤波"]
B --> C["多相控制器"]
subgraph "同步降压功率级"
D["VBBC3210 \n 双N-MOS1"]
E["VBBC3210 \n 双N-MOS2"]
end
C --> D
C --> E
D --> F["电感1"]
E --> G["电感2"]
F --> H["输出电容"]
G --> H
H --> I["5V/3.3V输出"]
end
subgraph "智能风扇控制"
J["MCU PWM输出"] --> K["电平转换"]
K --> L["VBBC3210 \n 风扇驱动"]
L --> M["冷却风扇"]
N["温度传感器"] --> O["MCU温度算法"]
O --> J
P["故障检测"] --> Q["风扇状态反馈"]
Q --> O
end
subgraph "通信与监测"
R["MCU GPIO"] --> S["VBBC3210 \n 通信开关"]
S --> T["CAN/RS485模块"]
U["监测传感器"] --> V["VBBC3210 \n 传感器供电"]
V --> W["电压/电流传感器"]
end
subgraph "PCB热设计"
X["大面积敷铜"] --> D
X --> E
Y["散热过孔阵列"] --> L
Z["热阻优化布局"] --> V
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style S fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBPB19R47S规格书
中文
English
