graph LR
subgraph "48V主功率双向DC-DC"
A[48V锂电池组] --> B[输入滤波器]
B --> C[输入开关]
C --> D["VBGQF1305 \n Q1/Q2"]
subgraph D ["同步整流桥臂"]
direction LR
Q1["VBGQF1305"]
Q2["VBGQF1305"]
end
D --> E[高频变压器]
E --> F["VBGQF1305 \n Q3/Q4"]
subgraph F ["高压侧桥臂"]
direction LR
Q3["VBGQF1305"]
Q4["VBGQF1305"]
end
F --> G[输出滤波器]
G --> H[200V+高压母线]
I[PWM控制器] --> J[栅极驱动器]
J --> Q1
J --> Q2
J --> Q3
J --> Q4
H -->|电压反馈| I
end
subgraph "电池保护与均衡"
K[电池单体] --> L[电压检测]
L --> M[均衡控制]
M --> N["VBGQF1305 \n 均衡开关"]
N --> O[均衡电阻]
P[温度传感器] --> Q[保护逻辑]
Q --> R[关断信号]
R --> C
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q3 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多路辅助电源与智能分配拓扑详图
graph TB
subgraph "智能电源分配网络"
A[12V辅助电源] --> B[电源分配节点]
B --> C["VBKB5245 \n U1"]
subgraph C ["双N+P MOSFET"]
direction LR
IN1[N-MOS]
IN2[P-MOS]
end
C --> D[传感器阵列]
B --> E["VBKB5245 \n U2"]
subgraph E ["双N+P MOSFET"]
direction LR
IN3[N-MOS]
IN4[P-MOS]
end
E --> F[通信模块]
B --> G["VBKB5245 \n U3"]
subgraph G ["双N+P MOSFET"]
direction LR
IN5[N-MOS]
IN6[P-MOS]
end
G --> H[AI计算单元]
I[MCU控制信号] --> J[逻辑电平转换]
J --> IN1
J --> IN2
J --> IN3
J --> IN4
J --> IN5
J --> IN6
end
subgraph "电源序列控制"
K[3.3V逻辑电源] --> L[电源管理IC]
L --> M[上电时序控制]
M --> N[使能信号1]
M --> O[使能信号2]
M --> P[使能信号3]
N --> C
O --> E
P --> G
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔离与冗余开关拓扑详图
graph LR
subgraph "高侧安全隔离开关"
A[48V主母线] --> B["VB2658 \n P-MOS Q5"]
subgraph B ["高侧P沟道开关"]
direction TB
GATE[栅极]
DRAIN[漏极]
SOURCE[源极]
end
B --> C[关键负载]
D[故障检测电路] --> E[隔离控制逻辑]
E --> F[电平转换器]
F --> GATE
C --> G[负载电流检测]
G --> H[过流保护]
H --> I[关断信号]
I --> E
end
subgraph "冗余备份通道"
J[氢燃料电池] --> K["VB2658 \n P-MOS Q6"]
K --> L[备份输入]
M[电池组] --> N["VB2658 \n P-MOS Q7"]
N --> O[主输入]
P[切换控制逻辑] --> Q[驱动电路]
Q --> K
Q --> N
R[系统状态监控] --> P
end
subgraph "紧急关断回路"
S[紧急按钮] --> T[关断控制]
U[温度传感器] --> V[超温保护]
V --> T
W[电压传感器] --> X[过压保护]
X --> T
T --> Y[全局关断信号]
Y --> B
Y --> K
Y --> N
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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