graph LR
subgraph "Buck-Boost主动均衡拓扑"
A["电芯选择开关矩阵"] --> B["均衡电感L"]
B --> C["主开关节点"]
C --> D["VBM1302A \n 主开关(Q1)"]
D --> E["地"]
C --> F["VBM1302A \n 同步开关(Q2)"]
F --> G["输出电容"]
G --> H["目标电芯"]
I["均衡控制器"] --> J["栅极驱动器"]
J --> D
J --> F
end
subgraph "反激式隔离均衡拓扑"
K["源电芯"] --> L["VBM1302A \n 原边开关(Q3)"]
L --> M["隔离变压器原边"]
M --> N["原边地"]
O["隔离变压器副边"] --> P["VBF2202K \n 副边整流(Q4)"]
P --> Q["输出滤波"]
Q --> R["目标电芯"]
S["PWM控制器"] --> T["隔离驱动器"]
T --> L
U["同步控制器"] --> V["副边驱动器"]
V --> P
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
本地精细均衡与选通管理拓扑详图
graph TB
subgraph "分布式精细均衡网络"
A["电芯1(+)"]
B["电芯2(+)"]
C["电芯3(+)"]
D["电芯n(+)"]
A --> E["VBA2307B \n 旁路开关1"]
B --> F["VBA2307B \n 旁路开关2"]
C --> G["VBA2307B \n 旁路开关3"]
D --> H["VBA2307B \n 旁路开关n"]
E --> I["旁路电阻R1"]
F --> J["旁路电阻R2"]
G --> K["旁路电阻R3"]
H --> L["旁路电阻Rn"]
I --> M["电芯1(-)"]
J --> N["电芯2(-)"]
K --> O["电芯3(-)"]
L --> P["电芯n(-)"]
Q["本地驱动器"] --> E
Q --> F
Q --> G
Q --> H
end
subgraph "模块选通与电源管理"
R["12V辅助电源"] --> S["VBA2307B \n 模块电源开关"]
S --> T["均衡模块电源"]
U["3.3V逻辑电源"] --> V["VBA2307B \n 待机控制开关"]
V --> W["控制电路电源"]
X["MCU GPIO"] --> Y["电平转换"]
Y --> S
Y --> V
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style S fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与保护电路拓扑详图
graph LR
subgraph "三级散热系统"
A["一级: 铝散热片"] --> B["VBM1302A主开关"]
C["二级: PCB大面积铺铜"] --> D["VBF2202K高压开关"]
E["三级: PCB热过孔"] --> F["VBA2307B本地开关"]
G["温度传感器阵列"] --> H["热管理MCU"]
H --> I["风扇PWM控制"]
H --> J["均衡电流调节"]
I --> K["冷却风扇"]
J --> L["动态电流限制"]
end
subgraph "电气保护网络"
M["RC吸收电路"] --> N["VBM1302A开关节点"]
O["TVS钳位阵列"] --> P["VBF2202K高压侧"]
Q["栅极保护电路"] --> R["所有MOSFET栅极"]
S["过流检测"] --> T["比较器"]
T --> U["故障锁存"]
U --> V["全局关断"]
V --> N
V --> P
W["电压检测"] --> X["ADC"]
X --> Y["AI算法"]
Y --> Z["自适应保护"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBA2307B规格书
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