graph LR
subgraph "MPPT升压变换器"
A[光伏输入] --> B[输入保护电路]
B --> C[升压电感]
C --> D[开关节点]
D --> E["VBL18R17S \n 800V/17A"]
E --> F[高压输出电容]
F --> G[高压直流母线]
H[MPPT控制器] --> I[栅极驱动器]
I --> E
subgraph "电压/电流检测"
J[分压电阻网络]
K[电流检测电阻]
end
G --> J
C --> K
J --> H
K --> H
end
subgraph "MPPT算法控制环"
L[光伏电压采样] --> M[光伏电流采样]
M --> N["MPPT算法 \n P&O/INC"]
N --> O[PWM生成器]
O --> P[占空比调节]
P --> H
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池管理与LED驱动拓扑详图
graph TB
subgraph "电池充放电管理"
A[高压直流母线] --> B[充电控制器]
B --> C[充电开关节点]
C --> D["VBA1615 \n 60V/12A"]
D --> E[锂电池组]
E --> F[放电控制器]
F --> G[放电开关节点]
G --> H["VBA1615 \n 60V/12A"]
H --> I[负载总线]
subgraph "电池保护"
J[过充保护]
K[过放保护]
L[短路保护]
end
B --> J
F --> K
F --> L
end
subgraph "LED恒流驱动"
I --> M[驱动控制器]
M --> N[驱动开关节点]
N --> O["VBGQT1601 \n 60V/340A"]
O --> P[输出电感]
P --> Q[输出电容]
Q --> R[LED负载]
S[电流采样] --> T[误差放大器]
T --> M
R --> S
end
subgraph "智能控制"
U[MCU] --> V[充电管理算法]
U --> W[放电管理算法]
U --> X[LED调光算法]
V --> B
W --> F
X --> M
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
热管理与系统保护拓扑详图
graph LR
subgraph "三级散热系统"
A["一级: 主动散热"] --> B["VBGQT1601 \n (LED驱动MOSFET)"]
C["二级: PCB导热"] --> D["VBL18R17S \n (MPPT MOSFET)"]
E["三级: 自然冷却"] --> F["VBA1615 \n (电池开关)"]
G[温度传感器] --> H[MCU]
H --> I[风扇PWM控制]
H --> J[功率降额控制]
I --> K[散热风扇]
J --> B
J --> D
end
subgraph "电气保护网络"
M["RCD缓冲"] --> N["VBL18R17S"]
O["RC吸收"] --> P["VBGQT1601"]
Q["TVS阵列"] --> R["电池端口"]
S["防反接电路"] --> T["光伏输入"]
U["过流保护"] --> V["所有功率通路"]
W["栅极保护"] --> X["所有MOSFET栅极"]
V --> Y[故障锁存]
Y --> Z[系统关断]
Z --> N
Z --> P
end
subgraph "环境适应设计"
AA["IP65防护"] --> AB[电路板]
AC["宽温工作"] --> AD[-40°C ~ +85°C]
AE["防雷设计"] --> AF[6kV浪涌防护]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBL18R17S规格书
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