引
言
特斯拉Model 3的中控屏里面只有一块屏幕。
01
Model 3的中控屏幕
拆解信息是源自IHS benchmark,在Electronics360上披露了一部分,主要的信息如下:
LG 15.4英寸 IPS 1920x1200显示器,重量为828g,总制造成本估计为198.84美金
15.4OGS带盖玻璃的直接粘合触摸屏
压铸镁合金外壳
图1 中控屏拆解轮廓 Source: IHS Markit
主要组件包括,其实主要是两块板
图2 屏幕主体部分主要分为两块板
15.4" Diagonal, TFT LCD, a-Si, IPS, 1920 x 1200, N/T, 828g - MFR: LG DISPLAY CO LTD - MPN: LA154WU1-SL01
15.4" Diagonal, OGS Type, Direct Bonding, w/ Tempered Cover Glass, w/ Integral Flex PCB
Enclosure, Main, Rear Cover, Die-Cast Magnesium Alloy, Machined, Painted, Laser Etched
Device Mount Housing, Injection Molded Plastic, Painted
Device Mount Housing Door, Injection Molded Plastic, Painted
Temperature Sensor Module Housing, Bottom, Injection Molded ABS Polycarbonate
Protect Film, Clear Plastic Sheet, Die-Cut
Temperature Sensor Module Housing, Top, Injection Molded ABS Polycarbonate
Temperature Sensing Element, Formed Copper, Painted
图3 温度采集板 Source: IHS Markit
Fastener, Machine Screw, M5.8 x 12mm, Torx Pan Washer Head 这块主板主要分7个芯片
CYPRESS(现在已经在英飞凌里面了) CYAT81688-128AS88Z 触摸屏控制器, Capacitive, Multi-Touch, 32-Bit ARM Cortex CPU Cor
TI DS90UB948TNKD, Deserializer, FDP-Link III to Open LDl.2 Lanes, 192MHz, Up to 2K Resolutions with 24-Bit Color Depth
Tli INC, Tli2387EP_B, 显示时序控制器
RENESAS ISL24858IRXZ 可编程参考电压(10-Bit, 14-Channel, I2C Programmable, w/Integrated Buffered Outputs, Calibrator, Amplifier, EEPROM)
TI (TMP758QDGK)数字温度传感器 12-Bit, 2-Wire Interface
ROHM (BD9465MUV)背光LED驱动器 4-Channel, 150mA per Channel
连接器 Male, Vertical, Gold Plated Contacts, w/1 2-Pin Header
图4&5 屏幕的主控板和主控芯片Source: IHS Markit |