Product Family Presentation Introduction to Cap Sense by
Product Family Presentation: Introduction to Cap. Sense® by Cypress The Industry’s No. 1 Capacitive Sensing Technology 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation
Capacitive Sensing Technology Enables Innovation You can use capacitive sensing technology to create innovative and reliable products Sleek, stylish and highly reliable capacitive sensing buttons can replace all of the 10 billion mechanical buttons sold every year Capacitive sensing technology can implement reliable, proximity-based applications such as wake-on-approach, face detection and spatial measurement Capacitive sensing technology can replace mechanical sensors for applications such as liquid-level sensing and frost detection Capacitive User Interface in a Digital Boom Box by Logitech Capacitive Sensing-Based Liquid-Level Sensor by Cambridge Consultants Deliver innovative products with Cypress’s industry-leading capacitive sensing technology 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 3 a
Cap. Sense: The Industry’s Leading Capacitive Sensing Technology Cap. Sense is Cypress’s capacitive-sensing technology Cap. Sense is the industry’s No. 1 solution in sales by 4 x over No. 2 Over one billion Cap. Sense controllers have replaced more than five billion mechanical buttons Cap. Sense is found everywhere, including smartphones, home appliances and printers Touch Buttons: 2003 Liquid Tolerance: 2008 Noise Immunity: 2010 Configurability: 2011 LG Chocolate Mobile Phone Whirlpool Dishwasher HP Touch. Smart Printer Microsoft Arc Touch Mouse Cypress’s Cap. Sense research Cap. Sense algorithms offer and development begins with Liquid Tolerance, proximity buttons and sliders sensing and improved noise immunity 1 B Units Shipped: 2013 Samsung Galaxy Note 3 Smart. Sense™ Auto-tuning Cap. Sense Express™ offers One billionth Cap. Sense revolutionizes Cap. Sense design configurable solutions that do not controller shipped with by removing Manual Tuning and require Firmware Development stylus-activated buttons improving noise immunity “We selected Cap. Sense for its flexibility, as well as for its durability and performance, given the harsh operating environment that washing machines face. Having previously designed Cap. Sense into our oven products, we are well aware of the stylish interfaces it enables for home appliances. ” - Davide Aloj, Electronic Development Manager, Indesit 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 3 b
Cap. Sense Technology Terms Capacitance The property of a conductive body, such as a copper trace on a PCB, to store an electric charge Can increase or decrease because of manufacturing tolerances and environmental changes Capacitive Sensing System A system capable of measuring and responding to a change in Capacitance Capacitive Sensor A conductor and substrate, such as a copper button on a printed circuit board (PCB), which reacts to a touch or an approaching object with a change in capacitance Sensor Layout The placement of Capacitive Sensors, for example, on a Printed Circuit Board (PCB) Raw Count A digital signal generated by a Capacitive Sensing System The capacitance of a Capacitive Sensor is digitized into a Raw Count Sensing Parameters that define the response and performance of a Capacitive Sensing System, including Sensitivity: The minimum Capacitance change measured by the Capacitive Sensing System (for example, 100 f. F) Baseline: The reference value against which changes in Capacitance are measured (for example, a Raw Count of 3, 000) Touch Threshold: The minimum Capacitance change needed to trigger a response from a Capacitive Sensing System (for example, a Raw Count change of 5, 000) 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 4 a
Cap. Sense Technology Terms Firmware Development The process of developing algorithms in a programming language, such as the C language, to control the response of a Capacitive Sensing System with an embedded microcontroller Manual Tuning The manual process of setting Sensing Parameters for optimal performance during the design phase Required on an ongoing basis to compensate for system, manufacturing and environmental changes during the prototyping and manufacturing phases Smart. Sense Auto-tuning A Cap. Sense algorithm that automatically sets Sensing Parameters for optimal performance after the design phase Continuously compensates for system, manufacturing and environmental changes Parasitic Capacitance (CP) The intrinsic Capacitance of the PCB traces, or other connections, to a Capacitive Sensor Reduces the sensitivity of a Capacitive Sensor by attenuating the sensor signal Signal-to-Noise Ratio (SNR) The ratio of the sensor signal, when touched, to the noise signal of an untouched sensor Capacitive Sensing Systems require an SNR of 5: 1 per IEC standard 61000 -4 -3/6 -1 Electromagnetic Interference (EMI) May degrade the performance of a Capacitive Sensing Systems must meet IEC 61000 -4 -3/6 -1 standards for immunity to external noise (“Radiated Immunity”) May be emitted by the Capacitive Sensing Systems must meet IEC 61000 -6 -3 noise standards (“Radiated Emission”) 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 4 b
Cap. Sense Technology Terms Liquid Tolerance The ability of a Capacitive Sensing System to work properly in the presence of liquid droplets, streaming liquids or mist Proximity Sensor A sensor that can detect the presence of nearby objects without any physical contact Glove Touch The ability of a Capacitive Sensing System to detect touches by a user wearing gloves, which degrade performance Stylus Touch The ability of a Capacitive Sensing System to detect touches by a pointed, handheld instrument 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 4 c
Design Problems Engineers Face 1. Mechanical buttons are old-fashioned and unreliable Consumers demand reliable products with sleek aesthetics Mechanical buttons and knobs are bulky and unattractive, and wear out over time 001 -91345 Rev *A Legacy Keypad With Mechanical Buttons Calculator With Membrane Switches Mechanical buttons get dirty and sticky Membrane switches wear out Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 5 a
Design Problems Engineers Face 2. Reliable Capacitive Sensing Systems are difficult to implement Capacitive Sensing Systems require specialized expertise to implement Curved or thick overlays, gloves and stylus sensing reduce SNR performance End applications require time-consuming Manual Tuning for robust performance EMI noise sources can cause failures 001 -91345 Rev *A Curved Overlays on a Wearable Device Glove Touch for Medical Equipment Products with rounded and seamless edges are becoming increasingly popular with consumers. The curved overlays on these products require a high SNR. Doctors and technicians generally wear gloves while operating medical equipment. Glove Touch requires a high SNR. Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 5 b
Design Problems Engineers Face 3. Advanced features such as proximity sensing and Liquid Tolerance can further complicate the system design Noise can make it more difficult to implement reliable proximity sensing solutions Water, mist and other liquids trigger false touches in Capacitive Sensing Systems Advanced features require additional ICs and passives, which increase the design complexity and BOM 001 -91345 Rev *A Capacitive Sensing System in a Washing Machine Proximity Sensor on a Computer Mouse Capacitive Sensing Systems are prone to failure in the presence of water A Proximity Sensor can be used to turn a mouse on when a user’s hand approaches, but it is susceptible to EMI Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 5 c
Design Problems Engineers Face 4. Mechanical and analog sensors are expensive and can be unreliable The failure rate of mechanical devices is much higher than that of electronic devices Analog sensors can fail in challenging environments, such as at high temperatures or near liquids Mechanical Liquid-Level Sensor Infrared (IR) Proximity Sensor Mechanical liquid-level sensors are expensive and have multiple parts, including floats, that can fail or wear out Analog IR sensors often fail at high temperatures or in strong ambient light 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 5 d
Cap. Sense Solves These Problems Replaces mechanical buttons with sleek and reliable Cap. Sense buttons at low cost Provides Smart. Sense Auto-tuning and superior SNR (>100: 1), which make reliable Capacitive Sensing Systems easy to implement Provides advanced features like proximity sensing and Liquid Tolerance simply and quickly Replaces mechanical and analog sensors with reliable, cost-effective Capacitive Sensors Cap. Sense enables a reliable, easy-to-implement Capacitive Sensing System with advanced features Legacy Cooktop Controls Induction Cooktop by Cooktek Mechanical knobs in legacy cooktops are bulky and unattractive Cap. Sense enables an attractive and reliable cooktop with a flat, easy-to-clean, liquid-tolerant surface 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 5 e
Cap. Sense Replaces Mechanical Buttons How Cap. Sense registers a touch A Capacitive Sensor is used to measure the change in Capacitance between a pin and the ground Cap. Sense algorithms and analog circuitry convert the measured Capacitance to a Raw Count A finger touch increases the Capacitance of the system, which in turn increases the Raw Count An increase in the Raw Count above a user-defined Touch Threshold registers a touch Refer to the Getting Started With Cap. Sense Guide for details on Cap. Sense algorithms Capacitive Sensor With a Finger Touch Raw Count Variation on Finger Touch No Touch PCB CP CP CX = 2 CP PCB CP Copper Ground CP CX = 2 CP + CF Signal CF Capacitive Sensor Copper Ground 1, 600 Copper Ground 1, 550 Capacitive Sensor Copper Ground Touch Threshold Noise 1, 500 Overlay Raw Count 1, 650 1, 700 Capacitive Sensor Without a Finger Touch 0 Baseline 400 800 1, 200 1, 600 Time (ms) CX = Total Capacitance measured by the Capacitive Sensing System CP = Parasitic Capacitance 001 -91345 Rev *A Owner: JOCA CF = Capacitance added by a finger touch CF is dependent on the overlay material, overlay thickness and the dimensions of the finger (typical = 9 mm) and sensor Introduction to Cap. Sense by Cypress - Product Family Presentation Cap. Sense algorithms use analog circuits to convert the Capacitance to Raw Count, which is compared to the chosen Touch Threshold to record a touch 6 a
Smart. Sense Auto-tuning Saves Time Smart. Sense Auto-tuning sets, monitors and continuously maintains optimal Capacitive Sensor performance Reduces design effort by eliminating Manual Tuning after the design phase Adapts to manufacturing variations in PCB, overlay and paint that degrade touch-sensing performance Adapts to changes in system environment due to RF noise sources Allows a platform design approach that uses different overlays, button shapes and Trace Lengths with the same electronics Smart. Sense Auto-tuning Cuts Design Cycle Time Steps eliminated through Auto-tuning functionality 001 -91345 Rev *A Owner: JOCA Smart. Sense Auto-tuning eliminates timeconsuming Manual Tuning and the design iterations caused by it Introduction to Cap. Sense by Cypress - Product Family Presentation 6 b
Why Cap. Sense “Just Works” High SNR: Cap. Sense exceeds the requirements for robust performance Enables system designs with an SNR >100: 1, greater than the IEC requirement of 5: 1 Enables designs with thick or curved overlays Enables advanced features such as Glove Touch and Stylus Touch support Reference Radiating Antenna Overlay Glove Thickness Cap. Sense SNR 10 p. F 1. 0 mm None 150: 1 Thick Overlay 10 p. F 2. 0 mm None 73: 1 Glove Touch 10 p. F 1. 0 mm 4 mm 37: 1 Thick Overlay and Glove Touch 10 p. F 2. 0 mm 4 mm 25: 1 (IEC Spec = 5: 1) Cap. Sense Test Board Cypress setup to test the EMI tolerance of Cap. Sense buttons Noise immunity: Cap. Sense meets all of the IEC standards IEC Standard Description IEC Standard Requirement Cap. Sense 61000 -4 -3/6 -1 Radiated immunity (80 MHz to 2. 4 GHz) SNR > 5: 1, No false trigger, > 10 V/m 10: 1 SNR, No false triggers Radiated emission 30. 0 d. BµV/m, 30 -230 MHz 37. 5 d. BµV/m, 230 -1, 000 MHz < 25 d. BµV/m < 37 d. BµV/m 61000 -6 -3 Cap. Sense buttons “just work” because of rigorous engineering and testing 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation Electric Field Strength (d. BµV/m) Test Parameter Parasitic Capacitance Radiated Immunity Test Room Radiated Emission Test Data 70 60 50 40 IEC 61000 -6 -3 limit 30 20 10 Actual Cap. Sense data 0 30 100 Frequency (MHz) 1, 000 6 c
How Proximity Sensing Works Cap. Sense Sensing Parameters can be set to sense a finger without an actual touch A finger near a highly sensitive Capacitive Sensor increases the Capacitance of a Capacitive Sensing System Proximity Sensor performance can be improved by optimizing the board layout and Firmware Development Multiple Proximity Sensors can be implemented on the same board to improve the overall performance Refer to the Proximity Sensing with Cap. Sense Application Note for details on proximity sensing Proximity Sensor Without a Finger Nearby Proximity Sensor With a Finger Nearby Raw Count Variation With a Finger Nearby Touch No Touch PCB CP CP CX = 2 CP PCB CP Copper Ground CP 40, 400 CFP Capacitive Sensor Copper Ground Signal Copper Ground Touch Threshold 40, 200 Capacitive Sensor Copper Ground 40, 000 Overlay Raw Count 40, 600 No Touch Noise CX = 2 CP + CFP Baseline 0 400 800 1, 200 1, 600 Time (ms) CX = Total Capacitance measured by the Capacitive Sensing System CFP = Capacitance added to the system by a nearby finger CP = Parasitic Capacitance CFP is dependent on the overlay material, overlay thickness, sensor size and the distance of the finger from the sensor 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation The increase in Raw Count of a Proximity Sensor when a finger approaches is similar to the increase when a finger touches a Capacitive Sensor 6 d
Cap. Sense Proximity Sensors Cap. Sense enables capacitive Proximity Sensors with: A proximity sensing distance of up to 30 cm Superior SNR and Smart. Sense Auto-tuning to ensure reliable performance Cap. Sense Proximity Sensors enable: Aesthetic design with proximity-based LED lighting effects Enhanced reliability by eliminating mechanical contact Lower power consumption than other Proximity Sensors, such as IR sensors Advanced features such as wake-on-approach, face detection and spatial measurement Wake-on-Approach in Light Control Panels The wake-on-approach feature turns on the Capacitive Sensing System from the standby mode. Face Detection in Nokia Asha 502 Spatial Measurement Using Multiple Proximity Sensors The face-detection feature prevents false touches on the phone’s touchscreen. Spatial measurement uses multiple Proximity Sensors to measure position and distance. Proximity Sensors 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 6 e
Cap. Sense Works Under Liquids Cap. Sense maintains touch accuracy in wet conditions by using: A shield electrode to eliminate false touches from water droplets, mist and other liquids A guard sensor to eliminate false touches from streaming liquids or submersion Liquid-Tolerant Cap. Sense Sensor Layout Guard Sensor Shield Electrode Watch our Liquid Tolerance demo video to learn more Sensor Shield electrodes are copper fills around sensors that offset liquid droplets; guard sensors are copper traces that offset streaming liquids Raw Count Without a Shield Electrode Finger Touch Raw Count With a Shield Electrode Cap. Sense Works Under Liquids Finger Touch Water Droplet Touch Threshold Water Droplet Noise Floor The Raw Count generated by a water droplet exceeds the Touch Threshold, causing a false touch 001 -91345 Rev *A Owner: JOCA Noise Floor The Raw Count generated by a water droplet is below the Touch Threshold; therefore, there is no false touch Introduction to Cap. Sense by Cypress - Product Family Presentation Cap. Sense buttons even work under spaghetti sauce 6 f
Cap. Sense Liquid Sensing Capacitive Sensors can detect liquid-level height and other liquid characteristics Liquids in contact with a Capacitive Sensor increase the Capacitance of the Capacitive Sensing System The increase in Capacitance is dependent on the liquid’s characteristics, such as its concentration Capacitive Sensors can sense different types of liquids, such as water, milk and automobile coolants Typical applications include liquid-level sensing, and detection of concentration changes and frost Refer to the Getting Started with Cap. Sense Guide for details on Cap. Sense-based liquid sensing Capacitive Sensor With a Liquid in Contact Raw Count Variation on Liquid Contact PCB CP CP CX = 2 CP CP Copper Ground CP 1, 600 CL Capacitive Sensor Copper Ground PCB No Touch Signal Copper Ground Touch Threshold Noise 1, 500 Capacitive Sensor Copper Ground Raw Count Overlay 1, 550 Liquid Overlay No Touch 1, 650 1, 700 Capacitive Sensor Without Any Liquid in Contact CX = 2 CP + CL 0 Baseline 400 800 1, 200 1, 600 Time (ms) CX = Total Capacitance measured by the Capacitive Sensing System CP = Parasitic Capacitance 001 -91345 Rev *A Owner: JOCA CL = Capacitance added to the system by the liquid CL is dependent on the overlay material, overlay thickness and the characteristics of the liquid Introduction to Cap. Sense by Cypress - Product Family Presentation The increase in Raw Count when a Capacitive Sensor is in contact with a liquid is similar to the increase when a finger touches a Capacitive Sensor 6 g
Cap. Sense® Portfolio Cap. Sense Express™ Cap. Sense Plus™ PSo. C® Configurable Controllers 1 Programmable Controllers 2 Programmable System-on-Chip 2 NEW CY 8 CMBR 3106 S 11 Buttons, 2 Sliders Proximity, Liquid Tolerance Smart. Sense_EMCplus™ 3 CY 8 CMBR 3116 16 Buttons, 8 LEDs Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 NEW NEW CY 8 CMBR 3108 8 Buttons, 4 LEDs Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 CY 8 CMBR 3110 10 Buttons, 5 LEDs Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 Performance NEW CY 8 CMBR 3102 2 Buttons, Proximity Smart. Sense_EMCplus 3 CY 8 CMBR 2110 10 Buttons, 10 LEDs Smart. Sense Auto-tuning CY 8 CMBR 310 XLP 4 Buttons, Low Power NDA Required Contact Sales CY 8 CMBR 2016 16 Buttons Smart. Sense Auto-tuning CY 8 CMBR 2044 4 Buttons, 4 LEDs Smart. Sense™ Auto-tuning CY 8 CMBR 2010 10 Buttons, 10 LEDs Smart. Sense Auto-tuning CY 8 C 20 xx 6 H 25 Buttons, 5 Sliders 8, 16 KB Flash Smart. Sense Auto-tuning Haptics CY 8 C 4246/7 96 Buttons, 19 Sliders NDA Required Contact Sales CY 8 C 56 xx/58 xx 62 Buttons, 12 Sliders 64, 128, 256 KB Flash Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 CY 8 C 20 xx 7 31 Buttons, 6 Sliders 16, 32 KB Flash Proximity, Liquid Tolerance Smart. Sense™ Auto-tuning CY 8 C 52 xx/54 xx 62 Buttons, 12 Sliders 32, 64, 128, 256 KB Flash Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 CY 8 C 36 xx/38 xx 62 Buttons, 12 Sliders 32, 64 KB Flash Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 CY 8 C 20 xx 6 A/S 33 Buttons, 6 Sliders 16, 32 KB Flash, 2 KB SRAM Smart. Sense Auto-tuning CY 8 C 32 xx/34 xx 62 Buttons, 12 Sliders 16, 32, 64 KB Flash Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 NEW CY 8 C 21 x 34/B 24 Buttons, 4 Sliders 8 KB Flash Proximity, Liquid Tolerance Smart. Sense Auto-tuning CY 8 C 41 xx/42 xx 36 Buttons, 7 Sliders 16, 32 KB Flash Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 CY 8 C 20 x 36 A 33 Buttons, 6 Sliders 8 KB Flash Smart. Sense Auto-tuning CY 8 C 28 xx 44 Buttons, 8 Sliders 16 KB Flash Proximity, Liquid Tolerance Smart. Sense Auto-tuning NEW CY 8 CMBR 3002 2 Buttons, 2 LEDs Smart. Sense_EMCplus 3 CY 8 C 4 xxx-BL Q 414 36 Buttons, 7 Sliders 128, 256 KB Flash, BLE 4 Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 NEW CY 8 C 201 xx 10 Buttons, 5 LEDs 2 Sliders CY 8 C 20 x 34 25 Buttons, 6 Sliders 8 KB Flash Integration CY 8 C 40 xx 16 Buttons, 3 Sliders 8, 16 KB Flash Proximity, Liquid Tolerance Smart. Sense_EMCplus 3 4 Bluetooth Low Energy Production Sampling Development Concept products that are configured for target applications with a graphical user interface 2 Microcontroller-based products that can be freely programmed to implement additional functions Status 3 Smart. Sense Electromagnetic Compatible = Smart. Sense Auto-tuning + high noise immunity QQYY Availability 001 -91345 Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 10 a Rev *A 1 Standard
Cap. Sense Design Resources Use the Cap. Sense design software and kits to easily implement your Cap. Sense design Cap. Sense Solution Design Software Cap. Sense Kits Cap. Sense Express EZ-Click MBR 3 Evaluation Kit Cap. Sense, PSo. C 1 PSo. C Designer Cap. Sense Starter Kit PSo. C 3, PSo. C 4, PSo. C 5 LP PSo. C Creator PSo. C 4 Pioneer Kit Download datasheets, design guides and application notes: www. cypress. com/capsense Contact our dedicated team of technical experts to support your design: www. cypress. com/go/support Noisy and Wet Conditions A complex design in challenging environments… 001 -91345 Rev *A Owner: JOCA PSo. C Designer Cap. Sense Starter Kit With a Mini. Prog 3 Programmer Kit Is simplified using EZ-Click, PSo. C Designer, or PSo. C Creator… And prototyped on a Cap. Sense Kit… Introduction to Cap. Sense by Cypress - Product Family Presentation Refrigerator UI by Panasonic To create a reliable, one-chip Cap. Sense solution. 10 b
Cap. Sense Express Solution Example – Security Keypad Cap. Sense Value Block Diagram Design Problems Quickly add capacitive buttons to an unmodified design Ensure robust performance even in a noisy environment Ensure robust operation in wet conditions like mist or rain Implement a wake-on-approach feature to wake the system from sleep when a hand approaches Cap. Sense Express Solution Is an easy-to-implement solution Provides superior noise immunity (SNR >100: 1) Enables a liquid-tolerant design Uses a Proximity Sensor for wake-on-approach Cap. Sense Design Resources Design Software: EZ-Click Kit: MBR 3 Evaluation Kit Design Guides: Getting Started with Cap. Sense MBR 3 Design Guide 001 -91345 Rev *A Owner: JOCA Cap. Sense One-Chip MBR Solution Host 2 I 2 C Capacitive Button Keypad with Proximity Sensors Cypress Cap. Sense Integrated Smart. Sense Algorithm 16 Security Keypad by Samsung Cap. Sense provides a sleek and robust design Introduction to Cap. Sense by Cypress - Product Family Presentation 11 a
Cap. Sense Solution Example – Espresso Machine Cap. Sense Value Block Diagram Design Problems Implement capacitive sensing in a noisy environment Ensure robust operation in wet conditions Reduce BOM costs Cap. Sense One-Chip Solution LED PWM Cap. Sense Solution Provides superior noise immunity (SNR >100: 1) Enables a liquid-tolerant design Integrates additional functions like Proximity Sensors, an LED display, and buzzers One-chip = Cap. Sense + Proximity + LED + Buzzer PWM Piezo Speaker Door Lock GPIO 2 Host Capacitive Sensors M 8 C MCU Integrated Smart. Sense Algorithm 15 Button I 2 C Proximity Cap. Sense Design Resources Design Software: PSo. C Designer Kits: Cap. Sense Starter Kit PSo. C Mini. Prog 3 Programmer Kit Design Guides: Getting Started with Cap. Sense CY 8 C 20 xx 7/S Design Guide 001 -91345 Rev *A Owner: JOCA Espresso Machine by Saeco Cap. Sense enables a sleek interface that works robustly in wet conditions Introduction to Cap. Sense by Cypress - Product Family Presentation 11 b
Cap. Sense Solution Example – Smartphone Cap. Sense Value Block Diagram Design Problems Replace expensive IR sensors for face detection Ensure robust button performance, even in noisy conditions Work properly in the presence of mist or rain Cap. Sense Solution Enables face detection with Proximity Sensors Provides superior noise immunity (SNR >100: 1) Enables a liquid-tolerant design Cap. Sense One-Chip Solution 2 Capacitive Sensors Host 2 I 2 C M 8 C MCU Integrated Smart. Sense Algorithm Cap. Sense Design Resources Design Software: PSo. C Designer Kits: Cap. Sense Starter Kit PSo. C Mini. Prog 3 Programmer Kit Design Guides: Getting Started with Cap. Sense CY 8 C 20 xx 7/S Design Guide 001 -91345 Rev *A Owner: JOCA Proximity Sensors for Face Detection 3 Android Buttons on a Smartphone by Oppo Cap. Sense enables a smartphone to work in wet conditions such as mist or rain Introduction to Cap. Sense by Cypress - Product Family Presentation 11 c
PSo. C Solution Example – Induction Cooktop Cap. Sense Value Block Diagram Design Problems Implement capacitive touch in a noisy environment Ensure robust operation when touched by wet fingers Implement Class B certification 1 for safe cooktop control Reduce overall BOM PSo. C Solution Provides superior noise immunity (SNR >100: 1) Enables a liquid-tolerant design Provides Class B firmware library to simplify UL certification Integrates additional functions, such as sensors, RTC, and an LED display, on the same chip Humidity Sensor PSo. C 3 One-Chip Solution LED Display 2 PWM 7 Induction Drive Module ADC Logic A M U X Thermometer UART 8051 MCU Integrated Smart. Sense Algorithm One-chip = MCU + Cap. Sense + Logic + Analog + Display RTC 8 PWM Piezo Speaker Cap. Sense Design Resources Design Software: PSo. C Creator Kit: PSo. C 3 CY 8 CKIT-030 Kit Design Guides: Getting Started with Cap. Sense PSo. C 3 Cap. Sense Design Guide App Note: IEC 60730 Class B Safety Software Library 1 Class Capacitive Sensors Induction Cooktop by Midea Cap. Sense enables a sleek interface with Class B certification and low BOM costs B certification is an IEC/UL 60730 safety standard for appliance operation. It is required by most home appliance manufacturers in the U. S. and Europe. 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 11 d
Cap. Sense Solution Example – Liquid-Level Sensing in a Coffee Machine Cap. Sense Value Block Diagram Design Problems Eliminate mechanical parts, like floats, that tend to wear out Accurately measure the level of milk in a container Eliminate all sensors inside the container Cap. Sense Solution Replaces liquid-level sensors with Capacitive Sensors Accurately measures up to 0. 2 cm Enables Capacitive Sensors to be mounted outside the container Cap. Sense One-Chip Solution Liquid Level 2 Host Container M 8 C MCU I 2 C Integrated Smart. Sense Algorithm 8 Capacitive Sensors Cap. Sense Design Resources Design Software: PSo. C Designer Kits: Cap. Sense Starter Kit PSo. C Mini. Prog 3 Programmer Kit Design Guides: Getting Started with Cap. Sense CY 8 C 20 xx 7/S Design Guide 001 -91345 Rev *A Owner: JOCA Liquid-Level Sensing in a Coffee Machine by Gaggia Cap. Sense enables accurate measurement of the level of milk in a coffee machine Introduction to Cap. Sense by Cypress - Product Family Presentation 11 e
Getting Started with Cap. Sense 1. Buy the $25 MBR 3 Evaluation Kit (CY 3280 -MBR 3): www. cypress. com/MBR 3 kit 2. Install the EZ-Click software on your PC: www. cypress. com/EZClick 3. Download our Getting Started with Cap. Sense Design Guide: www. cypress. com/Cap. Sense. Design. Guide 4. Attend a Cap. Sense Workshop: www. cypress. com/Cap. Sense. Workshop Galaxy S 5 by Samsung 001 -91345 Rev *A Owner: JOCA Flyer Tablet by HTC CY 3280 -MBR 3 Evaluation Kit Voyager Bluetooth Headset by Plantronics Introduction to Cap. Sense by Cypress - Product Family Presentation 12
APPENDIX 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 15
References and Links Cap. Sense Home Page: www. cypress. com/Cap. Sense Introduction to Cap. Sense Workshop: www. cypress. com/training/workshops Getting Started with Cap. Sense Design Guide: www. cypress. com/Cap. Sense. Design. Guide CY 8 C 20 xx 7/S Cap. Sense Design Guide: www. cypress. com/? r. ID=63035 Proximity Sensing with Cap. Sense App Note: www. cypress. com/go/AN 92239 Cap. Sense MBR 3 Evaluation Kit (CY 3280 -MBR 3) Page: www. cypress. com/MBR 3 Kit Cap. Sense Proximity Shield (CY 8 CKIT-024) Page: www. cypress. com/CY 8 CKIT-024 Cap. Sense Starter Kit (AEK-CY 8 C 20 xx 7) Page: www. cypress. com/? r. ID=69299 PSo. C 4200 Pioneer Kit (CY 8 CKIT-042) Page: www. cypress. com/CY 8 CKIT-042 PSo. C 3 Development Kit (CY 8 CKIT-030) Page: www. cypress. com/? r. ID=49524 EZ-Click Page: www. cypress. com/EZClick PSo. C Designer Page: www. cypress. com/PSo. CDesigner PSo. C Creator Page: www. cypress. com/PSo. CCreator Cypress Product Roadmap: www. cypress. com/Cap. Sense. Roadmaps 001 -91345 Rev *A Owner: JOCA Introduction to Cap. Sense by Cypress - Product Family Presentation 18
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