Product
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CAP1133
  • CAP1133

CAP1133

In Production

The CAP1133 is a turnkey capacitive touch controller providing a wide variety of  button and proximity functionality, and making it easy for designers to add  aesthetically pleasing, low-cost and robust touch interfaces.  The CAP1133 also contains 3 LED drivers that offer full-on / off, variable rate blinking, dimness controls, 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. ...

Microchip Technology CAP1133 Product Info

16 April 2026 0

Parameters

Product Type

Proximity/Keys/Slider

Input Channels

3

Number of Keys Max

3

Proximity detection

Yes

Output Channels

0

Measurement Principle

Self Capacitance

Report Rate (pps)

0

Number of Touches

0

Power Modes

3

Interface

I2C

I/O, LED Drivers

3

Temp Range

0°C to 85°C

Voltage Min. (V)

3.00

Voltage Max. (V)

3.60

Features

    • 3 Capacitive Touch Sensor Inputs
    • 3 LED Driver Outputs
    • Programmable sensitivity
    • Automatic recalibration
    • Individual thresholds for each button
    • Proximity Detection
    • Multiple Button Pattern Detection
    • Analog Filtering for System Noise Sources
    • Press and Hold feature for Volume-like Applications
    • Low Power Operation
    • I²C™ and SMBus
    • 10-pin 3x3 DFN

Description

The CAP1133 is a turnkey capacitive touch controller providing a wide variety of  button and proximity functionality, and making it easy for designers to add 
aesthetically pleasing, low-cost and robust touch interfaces. 

The CAP1133 also contains 3 LED drivers that offer full-on / off, variable rate blinking, dimness controls, 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.

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