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[原创] Intersil ISL76534超低功耗TFT-LCD 14路可编伽玛缓冲器解决方案

关键词:汽车电子 ADAS TFT-LCD ISL76534

时间:2016-11-18 09:34:04       作者:Intersil       来源:中电网

Intersil公司的ISL76534是集成了EEPROM的超低功耗14路可编伽玛(Gamma)缓冲器,用于汽车娱乐和ADAS显示器.器件包括I2C可编程的10位14路Gamma基准电压发生器,10位可编程VCOM校准器,高输出电流VCOM放大器和存储所有基准电压数据的EEPROM.模拟工作电压6.3V-19V,数字工作电压2.25V-3.6V,主要用在汽车娱乐系统显示器,汽车中心娱乐系统显示器(CID),汽车智能镜,汽车仪表盘显示器和汽车TFT-LCD显示器.本文介绍了ISL76534主要特性,框图和TFT-LCD GAMMA基准电压发生器电路图,以及评估板ISL76534EVAL1Z指标和主要特性,框图,电路图,材料清单和PCBV设计图.

14-Channel Programmable Gamma Buffer for Infotainment and ADAS Displays Ultra-Low Power 14-Channel Programmable Gamma Buffer with Integrated EEPROM The ISL76534 is a programmable gamma buffer for TFT-LCDsfeaturing ultra-low power operation. The ISL76534 contains anI2C programmable,10-bit, 14-channel gamma referencevoltage generator with buffered outputs,a 10-bitprogrammable VCOM calibrator, a high output current VCOMamplifier,and internal EEPROM to store all reference voltagedata.The EEPROM features an endurance of 10,000 writecycles and a data retention of 20 years at 105℃.

Combining gamma and VCOM reference voltage generatorswith low power operation and EEPROM, the ISL76534 providesa complete reference voltage solution ideal for TFT-LCDdisplays.
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