graph LR
subgraph "全桥逆变级（发射端）"
A["直流输入15-20V"] --> B["输入滤波电容"]
B --> C["全桥节点H"]
C --> D["VBQF1310 \n 高边开关"]
D --> E["谐振网络入口"]
C --> F["VBQF1310 \n 高边开关"]
F --> G["谐振网络入口"]
H["全桥节点L"] --> I["VBQF1310 \n 低边开关"]
I --> J[初级地]
H --> K["VBQF1310 \n 低边开关"]
K --> J
E --> L["LLC谐振腔 \n Lr, Cr"]
G --> L
L --> M["变压器初级"]
M --> H
end
subgraph "同步整流级（接收端）"
N["变压器次级"] --> O["整流输入节点"]
O --> P["VBQF1310 \n 同步整流管"]
P --> Q["输出滤波电感"]
O --> R["VBQF1310 \n 同步整流管"]
R --> S["输出滤波电感"]
T["整流返回节点"] --> U["VBQF1310 \n 同步整流管"]
U --> V[输出地]
T --> W["VBQF1310 \n 同步整流管"]
W --> V
Q --> X["输出电容"]
S --> X
X --> Y["电池充电输出"]
end
subgraph "驱动与控制"
Z1["全桥控制器"] --> AA1["栅极驱动器"]
AA1 --> D
AA1 --> F
AA1 --> I
AA1 --> K
Z2["同步整流控制器"] --> AA2["栅极驱动器"]
AA2 --> P
AA2 --> R
AA2 --> U
AA2 --> W
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能路径管理拓扑详图
graph LR
subgraph "多线圈选择矩阵"
A["全桥输出"] --> B["功率分配节点"]
B --> C["VBQF3316G \n 通道1半桥"]
B --> D["VBQF3316G \n 通道2半桥"]
B --> E["VBQF3316G \n 通道3半桥"]
C --> F["线圈阵列1"]
D --> G["线圈阵列2"]
E --> H["线圈阵列3"]
F --> I[地]
G --> I
H --> I
end
subgraph "单通道半桥内部拓扑"
subgraph J["VBQF3316G 内部结构"]
direction TB
K["VIN (12V)"] --> L["上管N-MOS \n Rds(on)=16mΩ"]
M["下管N-MOS \n Rds(on)=40mΩ"] --> N[地]
L --> O["输出节点"]
M --> O
end
O --> P["线圈驱动输出"]
Q["高边驱动"] --> L
R["低边驱动"] --> M
end
subgraph "控制逻辑"
S["MCU检测电路"] --> T["位置传感器"]
T --> U["线圈选择算法"]
U --> V["驱动控制信号"]
V --> Q
V --> R
W["电流反馈"] --> U
X["温度反馈"] --> U
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
热管理与保护拓扑详图
graph LR
subgraph "三级散热系统"
A["一级散热：主功率MOSFET"]
B["大面积PCB敷铜(2oz)"] --> C["散热过孔阵列"]
C --> D["内部接地层"]
D --> E["热扩散区域"]
A --> B
A --> F["VBQF1310 \n DFN8封装"]
G["二级散热：集成半桥"]
H["封装裸露焊盘"] --> I["散热焊盘设计"]
I --> J["局部敷铜"]
G --> H
G --> K["VBQF3316G \n DFN8-C封装"]
L["三级散热：小信号开关"]
M["微封装自身散热"] --> N["周围敷铜"]
L --> M
L --> O["VBK1270 \n SC70-3封装"]
end
subgraph "热监控与调节"
P["NTC温度传感器1"] --> Q["MOSFET衬底"]
P --> R["MCU ADC"]
S["NTC温度传感器2"] --> T["PCB热点"]
S --> R
U["温度保护算法"] --> V["动态功率调节"]
V --> W["降低充电功率"]
U --> X["风扇控制"]
X --> Y["VBK1270风扇开关"]
Y --> Z["散热风扇启停"]
end
subgraph "电气保护网络"
AA["RC缓冲电路"] --> AB["VBQF1310漏极"]
AC["TVS保护"] --> AD["栅极驱动芯片"]
AE["自举电路保护"] --> AF["VBQF3316G高边"]
AG["电流检测电阻"] --> AH["比较器"]
AH --> AI["硬件过流保护"]
AI --> AJ["关断信号"]
AJ --> AB
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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