graph TB
subgraph "宽压输入保护与滤波"
A["车载电池输入 \n 12-36VDC"] --> B["TVS/压敏电阻阵列"]
B --> C["共模/差模滤波"]
C --> D["输入电容组"]
end
subgraph "升降压转换拓扑"
D --> E["升降压电感"]
E --> F["开关节点"]
F --> G["VBN165R13S \n 650V/13A"]
G --> H["高压输出 \n ~400VDC"]
G --> I["功率地"]
J["升降压控制器"] --> K["栅极驱动器"]
K --> G
H -->|电压反馈| J
subgraph "缓冲与保护"
L["RCD缓冲网络"] --> F
M["栅极保护TVS"] --> G
N["输出过压保护"] --> H
end
end
subgraph "控制与通信"
J --> O["故障状态"]
J --> P["使能控制"]
Q["MCU"] -->|I2C/SPI| J
Q --> R["BMS通信接口"]
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#fce4ec,stroke:#e91e63,stroke-width:2px
压缩机驱动三相逆变拓扑详图
graph TB
subgraph "三相逆变桥功率级"
A["高压直流母线 \n ~400VDC"] --> B["直流母线电容"]
B --> C["三相逆变桥输入"]
subgraph "下桥臂MOSFET阵列"
Q_U["VBGL1102 \n 100V/180A"]
Q_V["VBGL1102 \n 100V/180A"]
Q_W["VBGL1102 \n 100V/180A"]
end
C --> Q_U
C --> Q_V
C --> Q_W
Q_U --> PH_U["U相输出"]
Q_V --> PH_V["V相输出"]
Q_W --> PH_W["W相输出"]
PH_U --> D["BLDC压缩机"]
PH_V --> D
PH_W --> D
D --> E["电机地"]
end
subgraph "FOC控制与驱动"
F["主控MCU"] --> G["FOC算法引擎"]
G --> H["三相PWM生成"]
H --> I["三相栅极驱动器"]
I --> Q_U
I --> Q_V
I --> Q_W
subgraph "电流检测与反馈"
J["三相电流传感器"] --> PH_U
J --> PH_V
J --> PH_W
J --> K["电流采样电路"]
end
K --> G
L["位置传感器"] --> G
end
subgraph "保护电路"
M["过流保护"] --> I
N["短路保护"] --> I
O["欠压锁定"] --> I
P["温度监控"] --> Q_U
P --> Q_V
P --> Q_W
end
style Q_U fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fce4ec,stroke:#e91e63,stroke-width:2px
智能热管理拓扑详图
graph TB
subgraph "多通道负载开关"
A["辅助电源总线 \n 12V"] --> B["输入滤波"]
subgraph "高侧开关阵列"
SW_FAN["VBMB1615 \n 风扇控制"]
SW_TEC["VBMB1615 \n TEC控制"]
SW_LED["VBMB1615 \n LED控制"]
SW_AUX["VBMB1615 \n 辅助负载"]
end
B --> SW_FAN
B --> SW_TEC
B --> SW_LED
B --> SW_AUX
SW_FAN --> C["散热风扇组"]
SW_TEC --> D["半导体制冷片"]
SW_LED --> E["照明系统"]
SW_AUX --> F["其他辅助负载"]
C --> GND
D --> GND
E --> GND
F --> GND
end
subgraph "智能控制与PWM调节"
H["主控MCU"] --> I["温度传感器阵列"]
I --> J["冷凝器温度"]
I --> K["压缩机温度"]
I --> L["环境温度"]
H --> M["PWM控制引擎"]
M --> N["电平转换器"]
N --> SW_FAN
N --> SW_TEC
N --> SW_LED
N --> SW_AUX
subgraph "软启动与保护"
O["软启动控制"] --> SW_FAN
O --> SW_TEC
P["过流保护"] --> SW_FAN
P --> SW_TEC
Q["热关断"] --> SW_FAN
Q --> SW_TEC
end
end
subgraph "三级散热架构"
R["一级: 强制风冷"] --> S["压缩机MOSFET"]
T["二级: 传导散热"] --> U["DC-DC MOSFET"]
V["三级: 自然对流"] --> W["控制IC"]
X["温度监控"] --> H
end
style SW_FAN fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style H fill:#fce4ec,stroke:#e91e63,stroke-width:2px
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