graph LR
subgraph "三相双向PFC/逆变桥臂"
A[三相380VAC电网] --> B[LCL滤波器]
B --> C[三相双向桥]
subgraph "VBP17R47S桥臂阵列"
Q1["VBP17R47S \n 700V/47A"]
Q2["VBP17R47S \n 700V/47A"]
Q3["VBP17R47S \n 700V/47A"]
Q4["VBP17R47S \n 700V/47A"]
Q5["VBP17R47S \n 700V/47A"]
Q6["VBP17R47S \n 700V/47A"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
C --> Q5
C --> Q6
Q1 --> D[高压直流母线]
Q2 --> D
Q3 --> D
Q4 --> E[桥臂中点]
Q5 --> E
Q6 --> E
end
subgraph "驱动与保护"
F[PCS控制器] --> G[隔离栅极驱动器]
G --> Q1
G --> Q2
G --> Q3
G --> Q4
G --> Q5
G --> Q6
subgraph "电压尖峰抑制"
H[RCD吸收网络]
I[TVS保护阵列]
end
H --> Q1
I --> G
J[电流霍尔传感器] --> K[过流保护]
K --> L[故障封锁]
L --> G
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
双向DC-DC变换拓扑详图
graph TB
subgraph "移相全桥/LLC双向变换"
A[高压直流母线] --> B[原边桥臂]
subgraph "原边开关(高压侧)"
Q_H1["VBGQT1803 \n 80V/250A"]
Q_H2["VBGQT1803 \n 80V/250A"]
Q_H3["VBGQT1803 \n 80V/250A"]
Q_H4["VBGQT1803 \n 80V/250A"]
end
B --> Q_H1
B --> Q_H2
B --> Q_H3
B --> Q_H4
Q_H1 --> C[高频变压器]
Q_H2 --> C
Q_H3 --> C
Q_H4 --> C
C --> D[副边桥臂]
subgraph "副边开关(低压侧)"
Q_L1["VBGQT1803 \n 80V/250A"]
Q_L2["VBGQT1803 \n 80V/250A"]
Q_L3["VBGQT1803 \n 80V/250A"]
Q_L4["VBGQT1803 \n 80V/250A"]
end
D --> Q_L1
D --> Q_L2
D --> Q_L3
D --> Q_L4
Q_L1 --> E[输出滤波]
Q_L2 --> E
Q_L3 --> E
Q_L4 --> E
E --> F[电池侧母线]
end
subgraph "驱动与栅极优化"
G[数字控制器] --> H[强劲栅极驱动器]
H --> Q_H1
H --> Q_H2
H --> Q_H3
H --> Q_H4
H --> Q_L1
H --> Q_L2
H --> Q_L3
H --> Q_L4
subgraph "栅极优化设计"
I[低寄生电感布局]
J[>3A峰值驱动]
K[有源米勒钳位]
end
I --> H
J --> H
K --> H
end
style Q_H1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_L1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
BMS主动均衡拓扑详图
graph LR
subgraph "电池模组单元管理"
A[模组1] --> B[采样电路]
C[模组2] --> D[采样电路]
subgraph "VBA3328双N开关阵列"
SW1["VBA3328 \n 双N 30V/6.8A"]
SW2["VBA3328 \n 双N 30V/6.8A"]
SW3["VBA3328 \n 双N 30V/6.8A"]
end
B --> SW1
D --> SW2
subgraph "主动均衡能量转移"
SW1_CH1["通道1"] --> E[飞跨电容]
SW2_CH1["通道1"] --> E
E --> F[均衡电感]
F --> G[能量转移控制]
end
subgraph "预充与负载管理"
SW3_CH1["通道1"] --> H[预充电电阻]
SW3_CH2["通道2"] --> I[负载开关]
end
end
subgraph "BMS智能控制"
J[BMS主控AFE] --> K[均衡算法]
J --> L[PWM控制]
K --> SW1
K --> SW2
L --> SW3
subgraph "保护电路"
M[肖特基二极管]
N[RC缓冲]
O[防反接MOS]
end
M --> SW1
N --> SW3
O --> BAT_IN[电池输入]
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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