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CapSense® Controllers | Cypress Semiconductor

CapSense® Controllers

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Capacitive touch sensing has changed the face of design in consumer and industrial products. Cypress’ CapSense solutions bring elegant, reliable, and easy-to-use capacitive touch sensing functionality to your design, via PSoC Creator’s CapSense Component or our Mechanical Button Replacement (MBR) portfolio. Our capacitive touch sensing solutions have replaced more than four billion mechanical buttons, and it enables hundreds of diverse types of sensing applications.

Cypress’ CapSense® technology consists of the Capacitive Sigma Delta (CSD) sensing algorithm, which provides capacitive sensing using a switched capacitor technique with a delta-sigma modulator that converts the sensing current to a digital code.  This patented algorithm provides high sensitivity to ensure accurate touch in noisy environments, industry leading proximity distances, and allows for fast scan times. 

Cypress has also developed the SmartSense™ Auto-tuning algorithm, which provides robust noise immunity and adaptation to changing environments, without the need for manual tuning. SmartSense auto tuning that allows your CapSense system to adapt to changing environments, variations in PCB manufacturing, and eliminates the need for manual tuning.

CapSense offers industry leading low power operation, with an average current consumption of 22 uA, and the industry’s widest voltage ranges (1.71V-5.5V). CapSense also provides the industry’s best solution for liquid tolerance to prevent false touches in wet/moist environments.

For more details on how to select the best PSoC device for a CapSense application, please refer to AN64846 Getting Started with CapSense.

CapSense MBR3
CapSense® MBR3 is Cypress’s solution for quickly and easily replacing mechanical buttons with sleek and reliable capacitive-sensing user interfaces. The CapSense MBR3 family is the world’s easiest...
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CY8CMBR2110
The latest addition to the CapSense Express portfolio – the ultra low power CY8CMBR2110 which supports up to 10 capacitive touch sensing channels that enable 10 buttons /10 LEDs. 
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CY8CMBR2044
CY8CMBR2044 solution supports up to 4-buttons and is quickly configured in hardware, eliminating the need for software tools, firmware development and chip programming. This solution supports direct...
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CY8CMBR2016
Creating a capacitive matrix keypad has never been simpler. Complete a matrix keypad design (up to 4x4) with Cypress’s CY8CMBR2016, a member of the CapSense Express family. This complete approach,...
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CY8CMBR2010
The latest addition to the CapSense Express portfolio – the ultra low power CY8CMBR2010 which supports up to 10 capacitive touch sensing channels that enable 10 buttons /10 LEDs. This solution is...
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CapSense® Express
These entry level series of CapSense Controllers enable the user to integrate up to 16 GPIOs for a sleek and trendy Capacitive sensing solution. 
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PSoC 6 Table (single-core 150 MHz Arm® Cortex®-M4 and dual-core 150 MHz Arm Cortex-M4/100 MHz Cortex-M0+)

Features/Devices PSoC 61 PSoC 62 PSoC 63
CapSense I/Os 104 104 78
CapSense Blocks 1 1 1
Liquid Tolerance Y Y Y
SmartSense Y Y Y
Digital

9 x SCB

32 x TCPWM

9 x SCB

32 x TCPWM

12 UDB

9 x SCB

32 x TCPWM

12 x UDB
Analog

1 x 12-bit SAR ADC

1 x 12-bit VDAC

2 x Opamp

2 x LP comarator

1 x 12-bit SAR ADC

1 x 12-bit VDAC

2 x Opamp

2 x LP comarator

1 x 12-bit SAR ADC

1 x 12-bit VDAC

2 x Opamp

2 x LP comarator
Comm Int I2C/SPI/UART I2C/SPI/UART/FS USB I2C/SPI/UART/BLE

 

PSoC 4​ Table (16/24/48 MHz Arm Cortex M0 and M0+)

Features/Devices PSoC 4100M PSoC 4200 BLE PSoC 4200L PSoC 4000S
CapSense I/Os 54 35 97 35
CapSense Blocks 2 1 2 1
Liquid Tolerance Y Y Y Y
SmartSense Y Y Y Y
Digital

8 x TCPWM1

4 x SCB2

4 x TCPWM1

2 x SCB2

4 x UDB3

8 x TCPWM1

4 x SCB2

8 x UDB3

5 x TCPWM1

2 x SCB2
Analog

1 x 12-bit SAR ADC

2 x 8-bit DAC

2 x 7-bit DAC

6 x Comparator

4 x Opamp

1 x 12-bit SAR ADC

1 x 8-bit DAC

1 x 7-bit DAC

4 x Comparator

4 x Opamp

1 x 12-bit SAR ADC

2 x 8-bit DAC

2 x 7-bit DAC

6 x Comparator

4 x Opamp

1 x 10-bit Slope ADC

2 x 7-bit DAC

3 x Comparator
Comm Int I2C/SPI/UART I2C/SPI/UART/BLE I2C/SPI/UART I2C/SPI/UART

 

PSoC 5LP Table (67/80 MHz Arm Cortex M3)

Features/Device CY8C56XX CY8C58XX
CapSense I/Os 62
CapSense Blocks 2
Liquid Tolerance Y
SmartSense Y
FS USB Y
CAN2.0 Y Y
Digital

4 x TCPWM1

24 x UDB3

1 x DFB4

4 x TCPWM1

24 x UDB3

1 x DFB4
Analog

2 x 12-bit SAR ADC

or

1 x 12-bit DelSig ADC and

1 x 12-bit SAR ADC

4 x 8-bit DAC

4 x Comparator

4 x Opamp

4 x SC/ST Analog Block5

2 x 12-bit SAR ADC

1 x 20-bit DelSig ADC

4 x 8-bit DAC

4 x Comparator

4 x Opamp

4 x SC/ST Analog Block5
Comm Int I2C/UART/SPI/I2S/LIN2.0 I2C/UART/SPI/I2S/LIN2.0

 

PSoC 3​ Table (50/67 MHz 8051)

Features/Device CY8C366X CY8C386X
CapSense I/Os 62
CapSense Blocks 2
Liquid Tolerance Y
SmartSense Y
FS USB Y
CAN2.0 Y Y
Digital

4 x TCPWM1

24 x UDB3

1 x DFB4

4 x TCPWM1

24 x UDB3

1 x DFB4
Analog

1 x 12-bit DelSig ADC

4 x 8-bit DAC

4 x Comparator

4 x SC/ST Analog Block5

1 x 20-bit DelSig ADC

4 x 8-bit DAC

4 x Comparator

4 x SC/ST Analog Block5
Comm Int I2C/UART/SPI/I2S/LIN2.0 I2C/UART/SPI/I2S/LIN2.0

 

PSoC 1​ Table (24 MHz M8C)

Features/Device CY8C20XX7/S CY8C21X34/B CY8C24X94 CY8C22X45 CY8C28XXX
CapSense I/Os 31 24 44 37 41
CapSense Blocks 1 1 1 2 2
Liquid Tolerance Y Y Y Y Y
SmartSense Y (only S-parts) Y (only B-parts) N Y Y
Digital 3 x 16-bit timer

1 x 8- to 32-bit timer/counter

1 x 8- to 32-bit PWM

4 x Digital Block

1 x 8- to 32-bit timer/counter

1 x 8- to 32-bit PWM

4 x Digital Block

1 x 8- to 32-bit timer/counter

1 x 8- to 16-bit PWM

6 x Digital Block

1 x 8- to 32-bit timer/counter

1 x 8- to 16-bit PWM

12 x Digital Block
Analog

2 x LP Comparator

1 x 10-bit

incremental ADC

2 x Comparator

8- and 10-bit ADC

4 x Analog Block

2 x Comparator

2 x 6- to 9-bit DAC

2 x 6- to 14-bit ADC

2 x Amplifier

6 x Analog Block

4 x Comparator

1 x 8-bit DAC

1 x 10-bit SAR ADC

8 x Analog Block

6 x Comparator

4 x 6- to 9-bit DAC

4 x 6- to 14-bit ADC

1 x 10-bit SAR ADC

4 x Amplifier

12 x Analog Block
Comm Int I2C/SPI/UART(TXSW) I2C/SPI/UART I2C/SPI/UART/USB I2C/SPI/UART I2C/SPI/UART

 

1 Timer/Counter/PWM Block (TCPWM): Programmable Digital Block that is configurable as a 16-bit Timer, Counter, PWM or quadrature decoder

2 Serial Communication Block (SCB):A PSoC Programmable Digital Block that is configurable as a UART, SPI or I2C interface. PSoC Creator provides a Software Transmit UART (TX8) Component for all devices.

3 Universal Digital Block (UDB): A PSoC Programmable Digital Block that contains two programmable logic devices (PLDs), one programmable data path with an arithmetic logic unit (ALU), one status register and one control register. PSoC Creator provides a wide array of UDB-based Components such as I2C, I2S, UART, SPI, PWM, and Counter/Timer.

4 Digital Filter Block (DFB): Programmable to perform IIR and FIR digital filters and several custom functions. It is capable of implementing filters with up to 64 taps and of 48-bit single-cycle multiply-accumulate (MAC) operation

5 Switched Capacitor/Continuous Time Blocks (SC/ST Analog Block): Programmable to work as Op-Amp, Unity Gain Buffer, Programmable Gain Amplifier, and Transimpedance Amplifier (TIA)

Kits

Buy the $25 CY3280-MBR3 kit to evaluate the MBR3 solution’s features including configurability, button performance, proximity sensing and liquid-tolerance https://www.cypress.com/MBR3Kit

Kits
 

EZ-Click

Download EZ-Click for free and easily design your CapSense system https://www.cypress.com/EZ-Click

EZ-Click

Design Guide

Download the CapSense MBR3 Design Guide for guidelines on designing with your MBR3 solution https://www.cypress.com/MBRDesignGuide

​Please also see AN64846 Getting Started with CapSense for descriptions about the CapSense Technology and best practices for PCB design.

Design Guide

 

Workshops

Cypress holds regular CapSense workshops.  In these workshops, you will learn to use the devices, software, and kits.

Register for a CapSense workshop in your area https://www.cypress.com/CapSenseworkshop

Workshops

 

These kits will help you get started with a CapSense design, quickly and efficiently.

CY3280-MBR3

CY3280-MBR3
CapSense® MBR3 Evaluation Kit

CY3280-MBR2

CY3280-MBR2
CapSense® Express™ with SmartSense™ Auto-Tuning Evaluation Kit

Easiest-to-Design

  • CapSense MBR3 requires no firmware development
  • EZ-Click™ GUI-based software tool configures devices without the need to write any code

Easiest-to-Design

​SmartSense Auto-Tuning

  • A CapSense algorithm that continuously adapts to system, manufacturing and environmental changes
  • Eliminates the need for manual tuning during all product design phases

SmartSense
 

Robust Liquid Tolerance

  • CapSense MBR3 works under water droplets, rain, mist and other liquids
  • Ensures no false touches even under streaming water

Water-Tolerence

Industry’s Best Capacitive Proximity Sensing

  • Achieve up to 30cm in proximity sensing distance
  • Implement advanced features like wake-on-approach to support ultra-low power applications

Proximity

Reliable Performance

  • Advanced sensing algorithms ensure reliable performance even in noisy environments
  • Implement designs with Signal-to-Noise Ratio (SNR) of > 100:1

Charger-Armor-capsense