NXP PCA8886TS –
用于无钥匙门禁(PKE)汽车门控系统的2信道电容式触摸和接近传感器
恩智浦正在推出一款功率消耗极低的2信道电容式触摸和接近传感器，专用于无源无钥匙门禁(PKE)汽车门控系统，但不仅仅局限于此用途。此应用中PCA8886的目的是，当人手向把手移动靠近时，它通过一个配置为接近传感器的信道触发汽车门锁的机械解锁。继而，配置为触摸传感器的第二信道通过监测门把手上各个按钮的触摸事件来触发车门的锁定。
PCA8886的电流消耗还不到6μA，特别适用于功率敏感应用，例如PKE，在汽车发动机关闭时，电池是唯一的电源。在恶劣运行环境中，如极热、极冷、潮湿、粉尘、水下等，通过专利的EDISEN自动校准机制并结合10pF到60pF的广泛输入电容范围进行补偿。片内数字信号处理可防止误触发，而额外的低阻抗输入则保证了高频射耐受力。
 样品供应能力：现在
 发布日期：2012 年 6 月

Companies Website:
www.nxp.com

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