graph LR
subgraph "高压侧LLC/移相全桥"
A["高压电池输入 \n 600-750VDC"] --> B["输入滤波与 \n 浪涌抑制"]
B --> C["母线电容"]
C --> D["全桥/半桥 \n 开关节点"]
D --> E["VBP18R20SFD \n 800V/20A"]
E --> F["隔离变压器 \n 原边绕组"]
F --> G["谐振电感/电容 \n LLC谐振腔"]
D --> H["VBP18R20SFD \n 800V/20A"]
H --> I["变压器原边 \n 返回路径"]
end
subgraph "隔离与次级侧"
F --> J["隔离变压器 \n 副边绕组"]
J --> K["同步整流节点"]
K --> L["同步整流MOSFET"]
L --> M["输出滤波电感"]
M --> N["输出滤波电容"]
N --> O["岸电输出 \n 满足船用标准"]
P["隔离DC-DC控制器"] --> Q["原边栅极驱动器"]
P --> R["副边同步整流 \n 控制器"]
Q --> E
Q --> H
R --> L
end
subgraph "保护与控制"
S["电压反馈 \n (隔离)"] --> P
T["电流检测 \n (原副边)"] --> P
U["RCD缓冲电路"] --> E
V["RC吸收网络"] --> H
W["TVS保护阵列"] --> Q
X["过压/过流/过温 \n 保护电路"] --> P
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
牵引电机驱动逆变器拓扑详图
graph TB
subgraph "三相逆变桥功率级"
A["高压电池输入"] --> B["直流母线电容"]
B --> C["三相逆变桥 \n 直流正极"]
C --> D["U相上桥臂 \n (高侧MOSFET)"]
C --> E["V相上桥臂 \n (高侧MOSFET)"]
C --> F["W相上桥臂 \n (高侧MOSFET)"]
subgraph "三相下桥臂(核心热源)"
G["VBMB1302A \n 30V/180A \n U相下管"]
H["VBMB1302A \n 30V/180A \n V相下管"]
I["VBMB1302A \n 30V/180A \n W相下管"]
end
D --> J["U相输出"]
E --> K["V相输出"]
F --> L["W相输出"]
J --> G
K --> H
L --> I
G --> M["功率地"]
H --> M
I --> M
end
subgraph "电机与控制系统"
J --> N["永磁同步电机 \n U相绕组"]
K --> O["永磁同步电机 \n V相绕组"]
L --> P["永磁同步电机 \n W相绕组"]
Q["电机控制器(MCU)"] --> R["FOC矢量控制 \n 算法"]
R --> S["PWM生成 \n 与死区控制"]
S --> T["栅极驱动器"]
T --> D
T --> E
T --> F
T --> G
T --> H
T --> I
U["电流采样 \n (高精度)"] --> Q
V["位置/速度传感器"] --> Q
end
subgraph "保护电路"
W["DESAT检测电路"] --> X["短路保护"]
Y["过流比较器"] --> Z["故障锁存"]
AA["温度传感器"] --> BB["过温保护"]
CC["低寄生电感 \n 母排设计"] --> G
DD["Vgs箝位保护"] --> T
X --> T
Z --> T
BB --> T
end
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能低压配电拓扑详图
graph LR
subgraph "多通道智能配电管理"
A["域控制器 \n (ADAS/车身)"] --> B["GPIO控制矩阵"]
B --> C["电平转换/缓冲"]
C --> D["VBK362K阵列 \n SC70-6封装"]
subgraph "双N沟道MOSFET开关"
subgraph SW1 ["通道1: 传感器供电"]
direction TB
IN1["GPIO控制输入"]
S1_1["MOS1源极"]
D1_1["MOS1漏极"]
S1_2["MOS2源极"]
D1_2["MOS2漏极"]
end
subgraph SW2 ["通道2: AI视觉模块"]
direction TB
IN2["GPIO控制输入"]
S2_1["MOS1源极"]
D2_1["MOS1漏极"]
S2_2["MOS2源极"]
D2_2["MOS2漏极"]
end
subgraph SW3 ["通道3: 通信单元"]
direction TB
IN3["GPIO控制输入"]
S3_1["MOS1源极"]
D3_1["MOS1漏极"]
S3_2["MOS2源极"]
D3_2["MOS2漏极"]
end
end
E["12V/24V辅助电源"] --> F["电源分配总线"]
F --> D1_1
F --> D1_2
F --> D2_1
F --> D2_2
F --> D3_1
F --> D3_2
S1_1 --> G["传感器阵列1"]
S1_2 --> H["传感器阵列2"]
S2_1 --> I["AI视觉处理核心"]
S2_2 --> J["AI视觉传感器"]
S3_1 --> K["V2X通信模块"]
S3_2 --> L["5G/WiFi模块"]
G --> M["系统地"]
H --> M
I --> M
J --> M
K --> M
L --> M
end
subgraph "智能功耗管理"
N["运行状态监测"] --> O["功耗分析引擎"]
P["任务调度器"] --> Q["电源序列控制"]
R["车辆模式(行驶/充电/待机)"] --> S["负载开关策略"]
Q --> B
S --> B
O --> A
end
subgraph "保护与可靠性"
T["软启动控制"] --> U["浪涌抑制"]
V["ESD防护电路"] --> W["VBK362K栅极保护"]
X["过流检测"] --> Y["自动关断"]
Z["热监控"] --> AA["降额管理"]
U --> D
W --> IN1
Y --> A
AA --> A
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style SW2 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBMB1302A规格书
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