graph TB
subgraph "双向LLC谐振变换器"
A[高压直流母线 \n 500-800VDC] --> B[输入滤波电容]
B --> C["全桥/半桥开关网络"]
subgraph C["高压MOSFET开关网络"]
direction LR
S1["VBPB165R15S \n 650V/15A"]
S2["VBPB165R15S \n 650V/15A"]
S3["VBPB165R15S \n 650V/15A"]
S4["VBPB165R15S \n 650V/15A"]
end
C --> D[LLC谐振腔]
D --> E[高频变压器]
E --> F[同步整流网络]
subgraph F["同步整流MOSFET"]
direction LR
SR1["VBPB165R15S \n 650V/15A"]
SR2["VBPB165R15S \n 650V/15A"]
end
F --> G[输出滤波]
G --> H[电池侧直流母线]
I[双向控制器] --> J[高压侧驱动器]
I --> K[同步整流驱动器]
J --> C
K --> F
end
subgraph "保护与缓冲电路"
L[RCD缓冲电路] --> S1
M[RC吸收电路] --> S2
N[TVS保护阵列] --> J
N --> K
O[电流检测电路] --> P[快速比较器]
P --> Q[故障锁存]
Q --> R[关断信号]
R --> I
end
style S1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style SR1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池侧管理与保护拓扑详图
graph LR
subgraph "电池侧大电流路径"
A[电池侧直流母线] --> B[均流电感阵列]
B --> C["并联MOSFET组"]
subgraph C["VBQA1105并联阵列"]
direction TB
Q1["VBQA1105 \n 100V/100A"]
Q2["VBQA1105 \n 100V/100A"]
Q3["VBQA1105 \n 100V/100A"]
Q4["VBQA1105 \n 100V/100A"]
end
C --> D[电流检测电阻]
D --> E[电池组正极]
F[电池组负极] --> G[系统地]
end
subgraph "智能保护开关网络"
H[电池组输出] --> I["保护开关矩阵"]
subgraph I["VBQA2616保护开关"]
direction TB
SW1["VBQA2616 \n 双路-60V/-45A"]
SW2["VBQA2616 \n 双路-60V/-45A"]
SW3["VBQA2616 \n 双路-60V/-45A"]
end
I --> J[负载支路1]
I --> K[负载支路2]
I --> L[负载支路3]
M[保护控制器] --> N[开关驱动器]
N --> I
O[故障检测] --> M
end
subgraph "监测与均衡"
P[单体电压监测] --> Q[BMS主控]
R[温度监测] --> Q
S[均衡电路] --> T[电池单体]
Q --> S
Q --> U[状态上报]
U --> V[CAN总线]
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与系统保护拓扑详图
graph TB
subgraph "三级热管理系统"
A["一级:液冷板"] --> B["高压MOSFET \n VBPB165R15S"]
C["二级:风冷散热器+PCB"] --> D["低压大电流MOSFET \n VBQA1105"]
E["三级:自然对流"] --> F["保护开关IC \n VBQA2616"]
E --> G["控制芯片"]
subgraph "温度监测网络"
H[高压MOSFET NTC] --> I[温度采集]
J[低压MOSFET NTC] --> I
K[环境温度传感器] --> I
L[散热器温度传感器] --> I
I --> M[MCU]
end
subgraph "冷却控制"
M --> N[风扇PWM控制器]
M --> O[液冷泵控制器]
N --> P[冷却风扇阵列]
O --> Q[液冷泵]
end
end
subgraph "多级保护网络"
R["第一级:硬件快速保护"] --> S["响应时间<1μs"]
subgraph S["快速保护电路"]
direction LR
COMP1[高速比较器]
COMP2[高速比较器]
LATCH[故障锁存]
end
T["第二级:软件保护"] --> U["响应时间<10ms"]
subgraph U["MCU保护算法"]
direction LR
ALG1[过流保护]
ALG2[过温保护]
ALG3[电压保护]
end
V["第三级:机械保护"] --> W["熔断器+接触器"]
X[电流传感器] --> S
Y[电压传感器] --> U
Z[温度传感器] --> U
S --> AA[关断驱动信号]
U --> AA
W --> AB[物理断开]
end
subgraph "EMC设计"
AC[输入EMI滤波器] --> AD[DC/DC变换器]
AE[开关节点屏蔽] --> AF[辐射抑制]
AG[低寄生电感布局] --> AH[传导噪声抑制]
AI[机柜屏蔽设计] --> AJ[EN 50155合规]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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