graph LR
subgraph "太阳能MPPT升压电路"
A["太阳能板 \n 12-48VDC"] --> B["输入滤波器 \n LC网络"]
B --> C["TVS/ESD保护"]
C --> D["MPPT开关节点"]
D --> E["VBGQF1810 \n 80V/51A"]
E --> F["升压电感"]
F --> G["输出电容 \n 低ESR"]
G --> H["中间总线电压 \n 12-24V"]
I["MPPT控制器"] --> J["栅极驱动器"]
J --> E
A -->|电压采样| I
A -->|电流采样| I
H -->|电压反馈| I
end
subgraph "MPPT控制算法"
K["P&O或INC \n MPPT算法"] --> L["PWM生成"]
L --> I
M["ADC采样"] --> N["最大功率点 \n 跟踪逻辑"]
O["环境监测"] --> N
N --> K
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
同步升降压转换拓扑详图
graph TB
subgraph "四开关同步升降压拓扑"
A["中间总线电压"] --> B["高压侧上管节点"]
B --> C["VBGQF1810 \n 高压侧上管"]
C --> D["升降压电感"]
D --> E["低压侧上管节点"]
E --> F["VBQF1405 \n 低压侧上管"]
F --> G["输出滤波器"]
G --> H["多协议输出 \n 5-20V"]
I["VBGQF1810 \n 高压侧下管"] --> J["地"]
K["VBQF1405 \n 低压侧下管"] --> J
B --> I
E --> K
end
subgraph "升降压控制器与驱动"
L["升降压控制器"] --> M["高压侧 \n 栅极驱动器"]
L --> N["低压侧 \n 栅极驱动器"]
M --> C
M --> I
N --> F
N --> K
O["电压反馈"] --> L
P["电流反馈"] --> L
Q["温度监测"] --> L
end
subgraph "多协议快充支持"
R["PD/QC协议IC"] --> S["电压等级设置"]
S --> L
T["设备通信 \n CC1/CC2"] --> R
U["电流能力协商"] --> R
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
多路输出分配管理拓扑详图
graph LR
subgraph "智能负载分配系统"
A["升降压输出总线"] --> B["功率分配节点"]
B --> C["VBC6N2022 CH1 \n 20V/6.6A"]
B --> D["VBC6N2022 CH2 \n 20V/6.6A"]
C --> E["USB-C Port1 \n 输出滤波"]
D --> F["USB-C Port2 \n 输出滤波"]
E --> G["设备1负载"]
F --> H["设备2负载"]
end
subgraph "MCU控制逻辑"
I["主控MCU"] --> J["电平转换电路"]
J --> K["CH1栅极控制"]
J --> L["CH2栅极控制"]
K --> C
L --> D
M["电流检测放大器"] --> N["CH1电流值"]
O["电流检测放大器"] --> P["CH2电流值"]
N --> I
P --> I
end
subgraph "优先级与保护策略"
Q["功率预算管理"] --> R["优先级算法"]
S["设备类型识别"] --> R
T["动态功率分配"] --> R
R --> U["CH1使能/限流"]
R --> V["CH2使能/限流"]
U --> K
V --> L
W["过流保护"] --> X["故障锁存"]
Y["短路保护"] --> X
Z["过温保护"] --> X
X --> AA["紧急关断"]
AA --> K
AA --> L
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style I fill:#fce4ec,stroke:#e91e63,stroke-width:2px
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