graph TB
subgraph "MPPT太阳能输入"
A["太阳能板 \n 20V-30V"] --> B["输入滤波电容"]
B --> C["电压电流检测"]
C --> D["MPPT算法处理器"]
D --> E["PWM控制器"]
end
subgraph "同步升降压转换级"
F["VBQF1402 \n 高边开关"] --> G["功率电感"]
H["VBQF1402 \n 低边开关"] --> I["同步整流"]
G --> J["输出滤波"]
I --> J
J --> K["直流总线 \n 3.7V-20V"]
E --> L["栅极驱动器"]
L --> F
L --> H
end
subgraph "控制与反馈"
M["输出电压反馈"] --> N["误差放大器"]
N --> O["补偿网络"]
O --> E
P["输出电流检测"] --> Q["电流限制"]
Q --> E
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池保护与路径管理拓扑详图
graph LR
subgraph "锂电池保护电路"
A["充电输入"] --> B["VBK1240 \n 充电控制MOSFET"]
B --> C["锂电池组 \n 3.7V-12V"]
C --> D["VBK1240 \n 放电控制MOSFET"]
D --> E["负载输出"]
F["BMS保护IC"] --> G["充电控制信号"]
F --> H["放电控制信号"]
G --> B
H --> D
end
subgraph "监控与保护"
I["电池电压检测"] --> F
J["电池电流检测"] --> F
K["温度传感器"] --> F
L["过压保护"] --> F
M["欠压保护"] --> F
N["过流保护"] --> F
O["短路保护"] --> F
end
subgraph "均衡电路"
P["单体电压检测"] --> Q["均衡控制"]
Q --> R["均衡电阻"]
R --> C
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载开关与接口控制拓扑详图
graph TB
subgraph "AI协处理器与协议识别"
A["AI协处理器"] --> B["负载识别算法"]
B --> C["功率分配策略"]
A --> D["协议识别芯片"]
D --> E["USB PD协议"]
D --> F["QC协议"]
D --> G["标准USB协议"]
end
subgraph "多路输出功率开关"
subgraph "USB-C PD端口"
H["VBGQF1101N \n PD开关"] --> I["USB-C连接器"]
E --> H
end
subgraph "USB-C快充端口"
J["VBGQF1101N \n QC开关"] --> K["USB-C连接器"]
F --> J
end
subgraph "USB-A标准端口"
L["VBGQF1101N \n 标准开关"] --> M["USB-A连接器"]
G --> L
end
C --> N["开关控制逻辑"]
N --> H
N --> J
N --> L
end
subgraph "端口保护"
O["TVS管阵列"] --> I
P["ESD保护"] --> K
Q["过流保护"] --> M
R["热插拔检测"] --> S["软启动控制"]
S --> H
S --> J
S --> L
end
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBK1240规格书
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