graph LR
subgraph "PFC/LLC功率级"
A["85-265VAC输入"] --> B["EMI滤波器"]
B --> C["整流桥"]
C --> D["高压直流 \n ~400VDC"]
D --> E["PFC电感"]
E --> F["PFC开关节点"]
F --> G["VBL165R15S \n 650V/15A"]
G --> H["初级地"]
I["PFC控制器"] --> J["栅极驱动器"]
J --> G
subgraph "LLC谐振变换"
K["LLC谐振腔"] --> L["高频变压器"]
end
D --> K
L --> M["隔离输出 \n +12V"]
end
subgraph "保护与缓冲"
N["RCD吸收电路"] --> G
O["输入浪涌保护"] --> B
P["过压/过流保护"] --> I
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
硬盘电机驱动拓扑详图
graph TB
subgraph "硬盘背板供电"
A["+12V背板母线"] --> B["背板连接器"]
B --> C["多路HDD接口"]
end
subgraph "三相电机驱动桥"
D["电机驱动IC"] --> E["预驱动器"]
E --> F["VBGE1606 \n 高侧开关"]
E --> G["VBGE1606 \n 低侧开关"]
subgraph F ["H桥臂A"]
direction LR
Q_AH["VBGE1606"]
Q_AL["VBGE1606"]
end
subgraph G ["H桥臂B"]
direction LR
Q_BH["VBGE1606"]
Q_BL["VBGE1606"]
end
H["主轴电机 \n (三相)"]
I["音圈电机 \n (两相)"]
Q_AH --> H
Q_AL --> H
Q_BH --> H
Q_BL --> H
Q_AH --> I
Q_AL --> I
end
subgraph "驱动保护与热管理"
J["栅极保护 \n (TVS/电阻)"] --> F
J --> G
K["RC缓冲电路"] --> F
K --> G
L["温度传感器"] --> M["热管理MCU"]
M --> N["风扇控制"]
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
板载芯片电源管理拓扑详图
graph LR
subgraph "多路智能电源开关"
A["阵列管理控制器"] --> B["GPIO扩展"]
B --> C["电平转换电路"]
C --> D["VBA2309 \n SSD1电源"]
C --> E["VBA2309 \n SSD2电源"]
C --> F["VBA2309 \n SSD3电源"]
C --> G["VBA2309 \n ASIC电源"]
subgraph D ["SSD1通道"]
direction TB
IN1["控制输入"]
S1["源极: 3.3V"]
D1["漏极: SSD1"]
end
subgraph E ["SSD2通道"]
direction TB
IN2["控制输入"]
S2["源极: 3.3V"]
D2["漏极: SSD2"]
end
subgraph F ["SSD3通道"]
direction TB
IN3["控制输入"]
S3["源极: 3.3V"]
D3["漏极: SSD3"]
end
subgraph G ["ASIC通道"]
direction TB
IN4["控制输入"]
S4["源极: 5V"]
D4["漏极: ASIC/FPGA"]
end
H["3.3V LDO"] --> S1
H --> S2
H --> S3
I["5V LDO"] --> S4
D1 --> J["SSD模块1"]
D2 --> K["SSD模块2"]
D3 --> L["SSD模块3"]
D4 --> M["核心芯片"]
end
subgraph "上电时序与保护"
N["上电时序控制"] --> A
O["电流检测"] --> P["故障比较器"]
P --> Q["故障锁存"]
Q --> R["紧急关断"]
R --> D
R --> E
R --> F
R --> G
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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