graph LR
subgraph "大电流背光驱动链路"
A["高压直流母线"] --> B["降压转换器"]
B --> C["电流采样电阻"]
C --> D["驱动节点"]
D --> E["VBGP1402 \n 40V/170A"]
E --> F["LED灯串阵列"]
F --> G["输出电流检测"]
G --> H["反馈回路"]
H --> I["PWM控制器"]
I --> J["栅极驱动器"]
J --> E
K["MCU亮度控制"] --> I
end
subgraph "HDR动态调光"
L["HDR视频信号"] --> M["亮度提取算法"]
M --> N["动态亮度映射"]
N --> O["PWM占空比调节"]
O --> I
end
subgraph "热管理与保护"
P["NTC温度传感器"] --> Q["温度监控"]
Q --> R["过热降额"]
R --> I
S["RC缓冲电路"] --> E
T["TVS保护"] --> J
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
核心计算与传感器电源拓扑详图
graph TB
subgraph "多路负载点电源管理"
A["12V辅助电源"] --> B["多路DC-DC转换器"]
B --> C["电源分配节点"]
subgraph "GPU与AI处理器供电"
C --> D["VBC6N2014通道1"]
D --> E["3.3V LDO"]
E --> F["GPU核心电源 \n 1.0V@30A"]
C --> G["VBC6N2014通道2"]
G --> H["1.8V LDO"]
H --> I["AI处理器电源 \n 0.9V@20A"]
end
subgraph "传感器与接口供电"
C --> J["VBC6N2014通道3"]
J --> K["5V稳压"]
K --> L["深度传感器 \n 5V@1A"]
C --> M["VBC6N2014通道4"]
M --> N["3.3V稳压"]
N --> O["摄像头模块 \n 3.3V@0.5A"]
end
subgraph "电源监控与保护"
P["电流检测放大器"] --> Q["MCU ADC"]
R["电压监控IC"] --> S["电源良好信号"]
S --> Q
T["π型滤波器"] --> L
T --> O
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
热管理与可靠性拓扑详图
graph LR
subgraph "三级热管理架构"
A["一级热管理"] --> B["主动散热 \n VBGP1402背光驱动"]
C["二级热管理"] --> D["优化布局散热 \n VBP16R64SFD高压MOSFET"]
E["三级热管理"] --> F["自然散热 \n VBC6N2014负载开关"]
B --> G["金属框架导热"]
D --> H["PCB底层敷铜+散热片"]
F --> I["封装散热+散热过孔"]
end
subgraph "温度监测网络"
J["NTC1: 背光驱动"] --> K["MCU温度采集"]
L["NTC2: 高压侧"] --> K
M["NTC3: 计算单元"] --> K
N["环境光传感器"] --> O["自适应亮度算法"]
O --> P["背光亮度调节"]
K --> Q["风扇PWM控制"]
end
subgraph "可靠性增强设计"
R["RCD缓冲电路"] --> S["VBP16R64SFD保护"]
T["RC吸收电路"] --> U["VBGP1402栅极保护"]
V["TVS阵列"] --> W["驱动芯片保护"]
X["铁氧体磁珠"] --> Y["数字电源滤波"]
Z["屏蔽接地"] --> AA["信号完整性保护"]
end
subgraph "故障诊断系统"
BB["电流检测"] --> CC["过流保护"]
DD["电压检测"] --> EE["过压/欠压保护"]
FF["状态监测"] --> GG["故障记录"]
HH["看门狗电路"] --> II["系统复位"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
*To request free samples, please complete and submit the following information. Our team will review your application within 24 hours and arrange shipment upon approval. Thank you!
X
SN Check
***Serial Number Lookup Prompt**
1. Enter the complete serial number, including all letters and numbers.
2. Click Submit to proceed with verification.
The system will verify the validity of the serial number and its corresponding product information to help you confirm its authenticity.
If you notice any inconsistencies or have any questions, please immediately contact our customer service team. You can also call 400-655-8788 for manual verification to ensure that the product you purchased is authentic.