IQS626数据手册集成电路（IC）的传感器检测器接口规格书PDF

描述 Description

The IQS626 ProxFusion® IC is a 14-channel self/mutual-capacitive proximity and touch controller with best in class sensitivity, signal to noise ratio and power consumption. In addition the device also includes a Hall-effect channel and an ultra-low power capacitive wake-up channel.

特性 Features

• Highly flexible 14-channel ProxFusion®\r
• Each generic channel can be configured with three different types of external connections or one of two internal options.\r
• 8 external sensor pad connections:\r
• Self/Mutual-Capacitive sensors\r
• Self/Mutual-Inductive sensors\r
• Dedicated reference sensor for environmental / mechanically sensitive designs\r
• Internal sensor option:\r
• Hall-effect sensor\r
• Serial scanning (Single ProxFusion® engine) – up to 8 time-slots\r
• Built-in basic functions:\r
• Automatic tuning\r
• Noise filtering\r
• Differential measurements (reference channels)\r
• Debounce & hysteresis\r
• Dual direction trigger indication\r
• Linearization of measurement data\r
• Built-in user-interface options:\r
• Trackpad (2x3 or 3x3 projected trackpad setups) with:\r
- 2-dimensional coordinate output,\r
- axial flick/swipe, tap and hold gesture detection.\r
• Dedicated ultra-low power channel for power mode handling.\r
• Wide Range of Capacitance Detection, Wide Electrode Range of 0 to 200 pF.\r
• Internal sensitivity optimization in high capacitive load conditions.\r
• Multiple custom signal level event triggers (e.g. proximity, touch, deep touch).\r
• Capacitive resolution: down to 0.02fF\r
• Automatic reference channel UI’s for temperature and mechanical effects. Assign reference channel to any single or group of channels.\r
• Options for reduced RF emissions for integration in RF sensitive environments (wide range of charge transfer frequency options).\r
• I2C Interface with IRQ (RDY) line.\r
• Event mode (including reduced interrupt options: blocking & hysteresis)\r
• Assign a touch flag state of any channel to a dedicated GPIO (default: active low, open-drain).\r
• Dedicated address selection pin.\r
• Special pre-programmed options:\r
• Standalone operation on power-up (low-power single button touch).\r
• Active high output (push-pull)\r
• Timed long-press output (pulse after 5 second touch).\r
• Supply voltage: 1.8V (-2%) to 3.6V\r
• Package options: QFN16 (3 x 3 x 0.8mm), WLCSP-16 (1.65 x 1.65 x 0.5mm)

应用 Application

• Use in mobile devices and wearables for small integrated touch screen/area navigational control\r
• Wear detection and combination sensor uses\r
• Touch area coordinate & multi-button designs\r
• Low power wake-up buttons / proximity\r
• HALL dock detection\r
• GUI trigger and GUI control proximity detection\r
• Electronic keypads or pin pads

简介

IQS626属于集成电路（IC）的传感器检测器接口。由制造生产的IQS626传感器和检测器接口该系列产品可执行信号调节、数据转换、激励生成和/或各种将传感器或变送器机构连接到主机设备所需的其他功能。示例包括用于 CCD 图像传感器的控制器、用于 4-20 mA 接口和类似应用的电流变送器、超声变送器前端、惠斯通电桥接口等。