【IC】 可编程RGB LED驱动器KTD2052B,具有I²C控制和整体渐变引擎功能,有效减小系统尺寸
KTD2052B:具有I²C控制和整体渐变引擎功能的12通道RGB LED驱动器。
Kinetic Technologies12通道可编程LED驱动器件——KTD2052B,为其业界领先的RGB LED产品线成员。KTD2052B在减少PCB布线的同时可驱动4颗RGB LED。精巧的8-pin UDFN封装尺寸仅为竞争者同类产品的一半。
产品优势
KTD2052B采用1MHz I²C接口,具有高集成度引擎,能够控制12个独立的电流源,在正常模式下,电流可高达24mA/LED,步进125µA;在夜间模式下,电流为1.5mA/LED,步进8µA。同时,KTD2052B具有超平滑8µA步进的3位可编程渐变控制。采用Kinetic Technologies特有的BrightExtend™和CoolExtend™专利技术,该器件在高温条件下,依然可以保持卓越的色彩平衡和输出能力。当LED出现故障(短路、断路、压降)时,可提供额外保护和监控功能。
KTD2052B提供可选I²C地址,可支持器件驱动双倍的RGB LED数量。
评价
"KTD2052B是智能音箱、物联网、游戏控制器及VR头盔等需要驱动最多4颗RGB LED应用的完美选择。通过采用多路复用技术,PCB布线的数量与竞争解决方案相比可以减少3倍,从而可大大减少客户产品的尺寸。灵活的模式发生器可实现提醒功能设置,继而让产品设计师在软件设计中更为轻松,并有效减少系统设计成本。在长时间工作或休眠状态下,RGB LED的"自动呼吸"蓝光,可向用户显示系统状态。"——Kinetic Technologies企业产品业务部营销总监Jia Hu。
应用及市场
KTD2052B可广泛应用包括在智能音箱、蓝牙/WiFi扬声器、汽车指示灯和氛围灯、物联网、游戏控制台和控制器、玩具、指示灯/按钮照明。
产品特点
工作电压2.5V至5.5V
可驱动12颗LED(4颗RGB LED)
多路LED恒流驱动器输出
仅需4条PCB连线接到LED
20.8kHz频率可防止音频噪声
1400万色
LED电流:125μA至24mA,125μA步进
夜间模式:8μA至1.5mA,8μA步进
最大5%电流精度和匹配度
12个独立的指数渐变引擎
超平滑3072阶(8μA步进)渐变分辨率
3位可编程渐变率
具有看门狗计数器的灵活模式发生器
自动呼吸模式(KTD2052B/D)
采用BrightExtend专利技术
Vin 低电量电池驱动下保持颜色精度和电源纹波抑制比(PSRR)
采用专有的CoolExtend技术
2位可编程温度门限
0.6μA自动关机(待机)电流
1MHz可选的I²C接口地址
符合无铅, 绿色环保要求,8引脚UDFN 2x2mm(0.5mm间距)封装
-40℃ to+85℃工作温度
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本文由子文转载自Kinetic Technologies(芯凯电子公众号),原文标题为:新闻发布 | 全新AutoBreathe™可编程RGB LED驱动,有效减小系统尺寸,让软件开发更轻松,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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