graph LR
subgraph "高压侧全桥拓扑"
A["高压母线 \n 380-400VDC"] --> B["高压侧桥臂"]
subgraph B ["全桥MOSFET阵列"]
direction LR
Q1["VBL165R36S"]
Q2["VBL165R36S"]
Q3["VBL165R36S"]
Q4["VBL165R36S"]
end
B --> C["变压器初级 \n 高频隔离"]
C --> D["谐振网络 \n LLC/移相"]
D --> E["高压侧控制器"]
end
subgraph "低压侧同步整流"
C --> F["变压器次级"]
F --> G["同步整流桥臂"]
subgraph G ["同步整流MOSFET"]
direction LR
SR1["VBL165R36S"]
SR2["VBL165R36S"]
end
G --> H["输出滤波"]
H --> I["低压母线 \n 12V/24V/48V"]
I --> J["低压侧控制器"]
end
subgraph "控制与保护"
E --> K["驱动电路"]
K --> Q1
K --> Q2
K --> Q3
K --> Q4
J --> L["驱动电路"]
L --> SR1
L --> SR2
M["AI算法 \n 功率调度"] --> E
M --> J
N["电压/电流检测"] --> M
O["缓冲吸收电路"] --> Q1
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style SR1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能负载管理拓扑详图
graph TB
subgraph "低压大电流通路"
A["低压直流母线"] --> B["主分配节点"]
B --> C["VBE2309 \n -30V/-60A"]
C --> D["关键负载通路 \n 通信/控制"]
B --> E["VBE2309 \n -30V/-60A"]
E --> F["功率负载通路 \n 电机/逆变"]
B --> G["VBE2309 \n -30V/-60A"]
G --> H["辅助负载通路 \n 照明/监测"]
B --> I["VBE2309 \n -30V/-60A"]
I --> J["备用负载通路"]
end
subgraph "智能控制与保护"
K["AI负载管理算法"] --> L["GPIO控制矩阵"]
L --> C
L --> E
L --> G
L --> I
M["电流传感器"] --> N["过流保护"]
M --> O["负载优先级计算"]
N --> P["快速关断信号"]
P --> C
P --> E
Q["电压检测"] --> R["欠压保护"]
R --> S["负载分级卸载"]
S --> K
end
subgraph "PCB散热设计"
T["大面积顶层铜箔"] --> U["多过孔阵列"]
U --> V["大面积底层铜箔"]
T --> C
V --> C
W["散热计算模型"] --> X["热阻优化"]
X --> T
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池保护与均衡拓扑详图
graph LR
subgraph "电池组串保护网络"
A["充电/放电总线"] --> B["保护开关阵列"]
subgraph B ["双P-MOS集成开关"]
direction TB
SW1["VBA4436 \n 通道1"]
SW2["VBA4436 \n 通道2"]
SW3["VBA4436 \n 通道3"]
SW4["VBA4436 \n 通道4"]
end
SW1 --> C["电池组串1"]
SW2 --> D["电池组串2"]
SW3 --> E["电池组串3"]
SW4 --> F["电池组串4"]
end
subgraph "主动均衡电路"
C --> G["均衡控制节点"]
D --> G
E --> G
F --> G
H["均衡控制器"] --> I["均衡MOSFET"]
I --> J["均衡电阻/电感"]
J --> K["能量转移"]
K --> C
end
subgraph "BMS保护控制"
L["AI BMS主控"] --> M["故障检测算法"]
N["电压监测"] --> O["过压/欠压判断"]
P["温度监测"] --> Q["过温判断"]
R["电流监测"] --> S["过流/短路判断"]
O --> T["保护指令"]
Q --> T
S --> T
T --> U["快速关断驱动"]
U --> SW1
U --> SW2
U --> SW3
U --> SW4
end
subgraph "PCB布局优化"
V["SOP8封装"] --> W["高密度布局"]
X["电池采样线"] --> Y["Kelvin连接"]
Z["保护电路"] --> AA["就近布局"]
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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