graph LR
subgraph "热电片驱动电路"
A["系统电源总线 \n 7.4VDC"] --> B["输入π型滤波器"]
B --> C["驱动控制器"]
C --> D["栅极驱动器"]
D --> E["VBQF2305 \n 驱动MOSFET"]
E --> F["LC输出滤波器"]
F --> G["热电片(TEC)"]
G --> H["电流检测电阻"]
H --> I["地"]
J["PWM温控信号"] --> C
K["温度传感器"] --> C
H -->|电流反馈| C
end
subgraph "高效热管理设计"
L["热电片热端"] --> M["导热硅胶垫"]
M --> N["杯壁/散热鳍片"]
O["热电片冷端"] --> P["导热硅胶垫"]
P --> Q["饮品接触面"]
R["PCB敷铜层"] --> S["散热过孔阵列"]
S --> T["背面铜层散热"]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池管理与负载开关拓扑详图
graph TB
subgraph "智能电池管理系统"
A["锂电池组 \n 7.4V"] --> B["TVS保护阵列"]
B --> C["VBC6N2014 双N-MOS"]
subgraph C ["VBC6N2014内部结构"]
direction LR
GATE_CHG[充电控制栅极]
GATE_DIS[放电控制栅极]
SOURCE_CHG[充电源极]
SOURCE_DIS[放电源极]
DRAIN[公共漏极]
end
DRAIN --> D["系统电源总线"]
SOURCE_CHG --> E["充电管理IC"]
SOURCE_DIS --> F["负载电路"]
G["MCU控制信号"] --> H["电平转换器"]
H --> GATE_CHG
H --> GATE_DIS
end
subgraph "无线充电集成"
I["无线充电线圈"] --> J["整流桥"]
J --> K["VBC6N2014充电开关"]
K --> D
L["无线充电控制器"] --> K
end
subgraph "故障保护机制"
M["过流检测"] --> N["比较器"]
N --> O["故障锁存"]
O --> P["关断信号"]
P --> GATE_DIS
Q["温度检测"] --> R["ADC"]
R --> MCU2["MCU"]
MCU2 --> S["降频/关断控制"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助功能与信号切换拓扑详图
graph LR
subgraph "搅拌电机H桥驱动"
A["系统电源"] --> B["VBI5325 高端N-MOS"]
C["VBI5325 低端P-MOS"] --> D["地"]
B --> E["电机正端"]
C --> F["电机负端"]
E --> G["微型直流电机"]
F --> G
H["MCU PWM信号"] --> I["H桥控制器"]
I --> J["栅极驱动器"]
J --> B
J --> C
end
subgraph "传感器信号路径管理"
K["温度传感器"] --> L["信号调理"]
L --> M["VBI5325信号开关"]
N["重量传感器"] --> O["信号调理"]
O --> M
M --> P["MCU ADC输入"]
Q["蓝牙数据"] --> R["电平转换"]
R --> S["VBI5325双向开关"]
S --> MCU2["MCU UART"]
end
subgraph "扩展功能接口"
T["pH传感器预留"] --> U["VBK7322小信号开关"]
V["TDS传感器预留"] --> U
U --> W["扩展ADC通道"]
X["无线充电状态"] --> Y["电源路径选择器"]
Y --> Z["系统供电/充电切换"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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