graph LR
subgraph "光伏BOOST升压电路"
A["光伏输入 \n 200-800VDC"] --> B["输入滤波电容"]
B --> C["升压电感"]
C --> D["BOOST开关节点"]
D --> E["VBM165R22 \n 650V/22A"]
E --> F["高压母线电容 \n 600-800VDC"]
G["BOOST控制器"] --> H["隔离驱动IC \n ISO5852S"]
H --> E
F -->|电压反馈| G
end
subgraph "隔离DC-DC变换"
F --> I["LLC谐振腔"]
I --> J["高频变压器"]
J --> K["初级开关节点"]
K --> L["VBM165R22 \n 650V/22A"]
L --> M["初级地"]
J --> N["变压器次级"]
N --> O["同步整流电路"]
O --> P["低压输出 \n 48-400VDC"]
Q["LLC控制器"] --> R["隔离驱动器"]
R --> L
end
subgraph "保护电路"
S["MOV阵列"] --> A
T["RCD缓冲电路"] --> E
U["RC吸收电路"] --> L
V["电流检测"] --> G
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
BMS充放电控制拓扑详图
graph TB
subgraph "电池包主开关阵列"
A["电池正极 \n 48-400VDC"] --> B["充电开关节点"]
B --> C["VBGE1105 \n 100V/85A"]
C --> D["公共连接点"]
E["放电开关节点"] --> F["VBGE1105 \n 100V/85A"]
F --> D
D --> G["负载输出端"]
H["BMS控制器"] --> I["大电流栅极驱动 \n UCC27524"]
I --> C
I --> F
end
subgraph "多管并联均流设计"
subgraph "并联MOSFET组1"
C1["VBGE1105-1"]
C2["VBGE1105-2"]
C3["VBGE1105-3"]
end
subgraph "并联MOSFET组2"
F1["VBGE1105-4"]
F2["VBGE1105-5"]
F3["VBGE1105-6"]
end
B --> C1
B --> C2
B --> C3
E --> F1
E --> F2
E --> F3
C1 --> D
C2 --> D
C3 --> D
F1 --> D
F2 --> D
F3 --> D
end
subgraph "电池均衡电路"
J["电池单体1"] --> K["均衡开关1"]
J --> L["均衡开关2"]
M["电池单体2"] --> K
M --> L
K --> N["均衡电阻"]
L --> N
N --> O["均衡地"]
P["均衡控制器"] --> K
P --> L
end
subgraph "保护与监测"
Q["霍尔电流传感器"] --> R["过流比较器"]
R --> S["故障锁存"]
S --> T["关断信号"]
T --> C
T --> F
U["温度传感器"] --> H
V["电压采样"] --> H
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与保护电路拓扑详图
graph LR
subgraph "反激式辅助电源"
A["高压输入 \n 300-800VDC"] --> B["反激变压器初级"]
B --> C["VBA1154N \n 150V/7.7A"]
C --> D["初级地"]
E["PWM控制器"] --> F["驱动电路"]
F --> C
B --> G["反激变压器次级"]
G --> H["输出整流滤波"]
H --> I["辅助电源输出 \n 5V/12V/24V"]
end
subgraph "负载开关通道"
subgraph "继电器驱动"
J["MCU GPIO"] --> K["电平转换"]
K --> L["VBA1154N \n 栅极"]
M["12V电源"] --> N["VBA1154N漏极"]
N --> O["继电器线圈"]
O --> P["地"]
end
subgraph "风扇控制"
Q["MCU PWM"] --> R["电平转换"]
R --> S["VBA1154N \n 栅极"]
T["12V电源"] --> U["VBA1154N漏极"]
U --> V["冷却风扇"]
V --> W["地"]
end
subgraph "通信接口保护"
X["通信接口"] --> Y["TVS阵列"]
Y --> Z["VBA1154N \n 隔离开关"]
Z --> AA["内部电路"]
end
end
subgraph "系统保护网络"
AB["气体放电管GDT"] --> AC["高压母线"]
AD["压敏电阻MOV"] --> AE["光伏输入端"]
AF["共模电感"] --> AG["电源输入"]
AH["屏蔽层"] --> AI["变压器"]
AJ["ESD防护"] --> AK["所有接口"]
end
style C 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：VBA1154N规格书
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