Datasheet > CAP1126

CAP1126

更新时间： 2024-11-08 14:55:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
73页	579K
描述
The CAP1126 is a turnkey capacitive touch controller?providing a wide variety of ?button and?proxi

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CAP1126 数据手册

CAP1126

6 Channel Capacitive Touch Sensor with 2 LED Drivers

General Description

Features

The CAP1126, which incorporates RightTouch^®tech-

nology, is a multiple channel Capacitive Touch sensor

with multiple power LED drivers. It contains six (6) indi-

vidual capacitive touch sensor inputs with programma-

ble sensitivity for use in touch sensor applications.

Each sensor input automatically recalibrates to com-

pensate for gradual environmental changes.

• Six (6) Capacitive Touch Sensor Inputs

- Programmable sensitivity

- Automatic recalibration

- Individual thresholds for each button

• Proximity Detection

• Multiple Button Pattern Detection

• Calibrates for Parasitic Capacitance

• Analog Filtering for System Noise Sources

The CAP1126 also contains two (2) LED drivers that

offer full-on / off, variable rate blinking, dimness con-

trols, and breathing. Each of the LED drivers may be

linked to one of the sensor inputs to be actuated when

a touch is detected. As well, each LED driver may be

individually controlled via a host controller.

• Press and Hold feature for Volume-like Applica-

tions

• Multiple Communication Interfaces

- SMBus / I²C compliant interface

- SPI communications

The CAP1126 includes Multiple Pattern Touch recogni-

tion that allows the user to select a specific set of but-

tons to be touched simultaneously. If this pattern is

detected, then a status bit is set and an interrupt gen-

erated.

- Pin selectable communications protocol and

multiple slave addresses (SMBus / I²C only)

• Low Power Operation

- 5uA quiescent current in Deep Sleep

Additionally, the CAP1126 includes circuitry and sup-

port for enhanced sensor proximity detection.

- 50uA quiescent current in Standby (1 sensor

input monitored)

The CAP1126 offers multiple power states operating at

low quiescent currents. In the Standby state of opera-

tion, one or more capacitive touch sensor inputs are

active and all LEDs may be used. If a touch is detected,

it will wake the system using the WAKE/SPI_MOSI pin.

- Samples one or more channels in Standby

• Two (2) LED Driver Outputs

- Open Drain or Push-Pull

- Programmable blink, breathe, and dimness

controls

Deep Sleep is the lowest power state available, draw-

ing 5uA (typical) of current. In this state, no sensor

inputs are active. Driving the WAKE/SPI_MOSI pin or

communications will wake the device.

- Can be linked to Capacitive Touch Sensor

inputs

• Dedicated Wake output flags touches in low

power state

• System RESET pin

Applications

• Available in 16-pin 4mm x 4mm RoHS compliant

QFN package

• Desktop and Notebook PCs

• LCD Monitors

• Consumer Electronics

• Appliances

 2015 Microchip Technology Inc.

DS00001623B-page 1

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与CAP1126相关器件

型号	品牌	获取价格	描述	数据表
CAP1126-1-AP-TR	MICROCHIP	获取价格	LED DISPLAY DRIVER
CAP1126-1-AP-TR	SMSC	获取价格	LED Driver
CAP1128	MICROCHIP	获取价格	The CAP1128 is a turnkey capacitive touch controller?providing a wide variety of ?button a
CAP1128-1-BP-TR	SMSC	获取价格	LED Driver
CAP1133	MICROCHIP	获取价格	The CAP1133 is a turnkey capacitive touch controller?providing a wide variety of ?button a
CAP1133-1-AIA-TR	MICROCHIP	获取价格	LED DISPLAY DRIVER
CAP1133-1-AIA-TR	SMSC	获取价格	LED Driver
CAP1166	MICROCHIP	获取价格	The CAP1166 ?is a turnkey capacitive touch controller?providing a wide variety of ?button
CAP1166-1-BP-TR	MICROCHIP	获取价格	LED DISPLAY DRIVER
CAP1188	MICROCHIP	获取价格	The CAP1188 is a turnkey capacitive touch controller?providing a wide variety of ?button a

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