graph LR
subgraph "T型三电平拓扑"
A[高压直流母线] --> B["VBP165C30 \n 上桥臂SiC MOSFET"]
A --> C["VBP165C30 \n 中点SiC MOSFET"]
A --> D["VBP165C30 \n 下桥臂SiC MOSFET"]
B --> E[输出节点]
C --> E
D --> E
F[SiC专用驱动IC] --> B
F --> C
F --> D
end
subgraph "LLC谐振腔设计"
E --> G[谐振电感Lr]
G --> H[谐振电容Cr]
H --> I[变压器励磁电感Lm]
I --> J[高频变压器]
end
subgraph "次级同步整流"
J --> K[变压器次级]
K --> L["同步整流MOSFET阵列"]
L --> M[输出滤波]
M --> N[直流输出]
O[同步整流控制器] --> L
end
subgraph "驱动与保护"
P[控制器DSP] --> F
P --> O
Q[电流采样] --> P
R[电压采样] --> P
S[温度采样] --> P
T[过流保护] --> F
U[过压保护] --> F
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池管理系统(BMS)主回路拓扑详图
graph TB
subgraph "电池包主回路"
A[电池包正极] --> B["VBM16I20 \n 主正IGBT"]
C[电池包负极] --> D["VBM16I20 \n 主负IGBT"]
B --> E[主回路输出正]
D --> F[主回路输出负]
G[IGBT专用驱动] --> B
G --> D
end
subgraph "主动均衡电路"
subgraph "电池单体监控"
H["电池单体1 \n 3.0-4.2V"]
I["电池单体2 \n 3.0-4.2V"]
J["电池单体N \n 3.0-4.2V"]
end
subgraph "均衡开关阵列"
K["均衡MOSFET1"]
L["均衡MOSFET2"]
M["均衡MOSFETN"]
end
H --> K
I --> L
J --> M
K --> N[均衡总线]
L --> N
M --> N
O[均衡控制器] --> K
O --> L
O --> M
end
subgraph "保护与监控"
P[AFE芯片] --> H
P --> I
P --> J
Q[去饱和保护] --> G
R[短路保护] --> G
S[过温保护] --> B
S --> D
T[电压均衡算法] --> O
end
subgraph "通信接口"
U[BMS主控制器] --> P
U --> O
U --> V[CAN收发器]
V --> W[车辆/EMS CAN总线]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与智能监控拓扑详图
graph LR
subgraph "辅助电源分布"
A[48V辅助母线] --> B["VB2658 \n 输入开关"]
B --> C[DC-DC转换器]
C --> D[12V辅助总线]
C --> E[5V辅助总线]
C --> F[3.3V辅助总线]
end
subgraph "智能负载管理"
D --> G["VB2658 \n 风扇控制"]
D --> H["VB2658 \n 通信电源"]
E --> I["VB2658 \n 传感器电源"]
F --> J["VB2658 \n MCU电源"]
K[主控MCU] --> G
K --> H
K --> I
K --> J
G --> L[散热风扇]
H --> M[通信模块]
I --> N[传感器阵列]
J --> O[微处理器]
end
subgraph "状态监控与保护"
P[温度传感器] --> Q[ADC接口]
R[电压传感器] --> Q
S[电流传感器] --> Q
Q --> K
T[看门狗电路] --> K
U[电源监控IC] --> K
V[TVS保护阵列] --> B
V --> G
V --> H
end
subgraph "通信网络"
K --> W[CAN接口]
K --> X[以太网接口]
K --> Y[RS485接口]
W --> Z[能源管理系统]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#fce4ec,stroke:#e91e63,stroke-width:2px
点击下载：VB2658规格书
中文
English
