graph TB
subgraph "高压主驱逆变器 (三相全桥)"
A["电池包 \n 400-600VDC"] --> B["直流母线电容"]
B --> C["三相逆变桥"]
subgraph "逆变器功率管"
Q1["VBE165R02SE \n 650V/2A"]
Q2["VBE165R02SE \n 650V/2A"]
Q3["VBE165R02SE \n 650V/2A"]
Q4["VBE165R02SE \n 650V/2A"]
Q5["VBE165R02SE \n 650V/2A"]
Q6["VBE165R02SE \n 650V/2A"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
C --> Q5
C --> Q6
Q1 --> D["U相输出"]
Q2 --> D
Q3 --> E["V相输出"]
Q4 --> E
Q5 --> F["W相输出"]
Q6 --> F
D --> G["驱动电机"]
E --> G
F --> G
end
subgraph "高压DC-DC变换器"
H["高压输入"] --> I["PFC升压级"]
subgraph "PFC级MOSFET"
Q_PFC["VBE165R02SE \n 650V/2A"]
end
I --> Q_PFC
Q_PFC --> J["~700V高压母线"]
J --> K["LLC谐振变换器"]
subgraph "LLC级MOSFET"
Q_LLC1["VBE165R02SE \n 650V/2A"]
Q_LLC2["VBE165R02SE \n 650V/2A"]
end
K --> Q_LLC1
K --> Q_LLC2
Q_LLC1 --> L["高频变压器"]
Q_LLC2 --> L
L --> M["同步整流"]
M --> N["12V/24V输出"]
end
subgraph "驱动与保护"
O["隔离驱动IC \n Si823x"] --> Q1
O --> Q_PFC
P["控制器"] --> O
Q["电压采样"] --> P
R["电流采样"] --> P
S["温度检测"] --> P
T["RC吸收电路"] --> Q1
U["共模电感"] --> A
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_PFC fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低压大电流DC-DC及电机驱动拓扑详图
graph LR
subgraph "24V-12V DC-DC降压变换器"
A["24V输入"] --> B["输入滤波"]
B --> C["降压控制器"]
C --> D["高侧开关"]
D --> E["同步整流节点"]
subgraph "同步整流MOSFET"
Q_SR["VBM1607V1.6 \n 60V/120A TO-220"]
end
E --> Q_SR
Q_SR --> F["输出滤波电感"]
F --> G["输出电容"]
G --> H["12V输出"]
I["驱动器 \n UCC27524"] --> Q_SR
C --> I
end
subgraph "辅助电机H桥驱动 (转向泵/气泵)"
J["24V电源"] --> K["H桥驱动器"]
subgraph "H桥功率管"
Q_H1["VBM1607V1.6 \n 60V/120A"]
Q_H2["VBM1607V1.6 \n 60V/120A"]
Q_H3["VBM1607V1.6 \n 60V/120A"]
Q_H4["VBM1607V1.6 \n 60V/120A"]
end
K --> Q_H1
K --> Q_H2
K --> Q_H3
K --> Q_H4
Q_H1 --> L["电机正端"]
Q_H2 --> L
Q_H3 --> M["电机负端"]
Q_H4 --> M
L --> N["辅助电机"]
M --> N
end
subgraph "热管理与保护"
O["散热器"] --> Q_SR
O --> Q_H1
P["PCB厚铜箔设计"] --> Q_SR
Q["电流检测"] --> R["过流保护"]
R --> K
R --> C
S["温度传感器"] --> T["过温保护"]
T --> K
T --> C
end
style Q_SR fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_H1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
车身域控制与智能配电拓扑详图
graph TB
subgraph "车身控制器BCM"
A["主控MCU"] --> B["GPIO控制接口"]
B --> C["电平转换电路"]
C --> D["智能负载开关矩阵"]
subgraph "双路负载开关通道1"
SW1_IN1["CH1输入"] --> SW1_GATE1["栅极1"]
SW1_IN2["CH2输入"] --> SW1_GATE2["栅极2"]
subgraph SW1_CHIP ["VBQD4290AU"]
direction LR
SW1_S1["源极1"]
SW1_S2["源极2"]
SW1_D1["漏极1"]
SW1_D2["漏极2"]
end
SW1_GATE1 --> SW1_CHIP
SW1_GATE2 --> SW1_CHIP
VCC_24V["24V电源"] --> SW1_D1
VCC_24V --> SW1_D2
SW1_S1 --> LOAD1["LED大灯组"]
SW1_S2 --> LOAD2["日行灯/雾灯"]
end
subgraph "双路负载开关通道2"
SW2_CHIP["VBQD4290AU"] --> LOAD3["传感器阵列"]
SW2_CHIP --> LOAD4["摄像头模块"]
end
subgraph "双路负载开关通道3"
SW3_CHIP["VBQD4290AU"] --> LOAD5["车窗电机"]
SW3_CHIP --> LOAD6["门锁执行器"]
end
end
subgraph "智能保险丝与配电管理"
E["电源输入"] --> F["电流采样"]
F --> G["智能保险丝IC"]
G --> H["多路开关控制"]
H --> I["负载通道1"]
H --> J["负载通道2"]
H --> K["负载通道3"]
H --> L["负载通道4"]
I --> M["前舱负载"]
J --> N["座舱负载"]
K --> O["后舱负载"]
L --> P["特殊功能负载"]
G --> Q["故障诊断输出"]
Q --> A
end
subgraph "保护与滤波网络"
R["栅极RC滤波"] --> SW1_GATE1
S["续流二极管"] --> LOAD5
T["铁氧体磁珠"] --> LOAD1
U["π型滤波器"] --> LOAD3
V["TVS阵列"] --> A
W["ESD保护"] --> C
end
subgraph "通信与诊断"
X["CAN收发器"] --> A
X --> Y["整车CAN总线"]
Z["诊断接口"] --> A
DIAG_TOOL["诊断工具"] --> Z
end
style SW1_CHIP fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style SW2_CHIP fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style A fill:#fce4ec,stroke:#e91e63,stroke-width:2px
点击下载：VBQD4290AU规格书
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