proximity Touch & Proximity Sensing Solutions

Smart Sensing Selector Guide www.semtech.com/touch-interface

Innovative contents Overview 2

Human Sensing

for Smarter Touch Applications

Smart Proximity Sensor for SAR Applications 3 High-Performance Touch and Proximity Solutions

6

Low Power Touchscreen Controllers 10

2

Semtech’s advanced sensing solutions provide best-in-class sensitivity with robust noise immunity to enhance touch & near range proximity detection. These ultra-low power, feature-rich touch controllers are optimized for a wide range of battery-powered, portable applications such as smartphones, tablets, wearables, notebooks, GPS, handheld gaming devices, and other consumer electronics.

Semtech Smart Proximity Selector Guide • 2016

Smart Proximity Solutions WORLD’S

FIRST

Ultra-Small, Low Power, Smart Proximity Sensor for SAR/Human Sensing The SX9306 is an ultra-low power capacitive Specific Absorption Rate (SAR) controller that accurately discriminates between an inanimate object and human body proximity. The resulting detection is used in portable electronic devices to reduce and control radio frequency (RF) emission power in the presence of a human body, enabling significant performance advantages for manufacturers of electronic devices with electro-magnetic radiation sources to meet stringent emission regulations criteria and Specific Absorption Rate (SAR) standards.

•

FEATURES • Patented on-chip smart engine for human detection and advanced SAR control • Up to 4 programmable capacitive sensor inputs –– High resolution capacitive sensing down to 0.08fF –– Capacitance offset compensation up to 30pF –– Stable proximity sensing with temperature –– >30mm detection distance –– Configurable proximity detection (single/combined) –– Integrated high performance RF shield for enhanced noise immunity –– Extremely low temperature drift for stable measurement –– Reduced VDD ripple susceptibility

Compact size: –– 3mm x 3mm thin QFN-20 –– 1.6mm x 1.2mm WLCSP-12

APPLICATIONS •

Smartphones

• Tablets • Wearable Devices • Notebooks • Mobile hotspot

• Input supply voltage: 2.7V-5.5V • Active sensor guarding • Ultra-low power –– Doze mode: 18µA –– Sleep mode: 2.5µA

CS0 CS1*

• Automatic calibration –– Eliminates false triggers due to environmental factors

CS3

• Dedicated TX_EN pin –– For synchronized proximity measurement to RF transmission

CS2

RF Shield

SENSORS CSG * Internal/not-bonded out

• 400kHz I2C serial interface –– Input level compatible w/ 1.8V host processor

VDD

Smart Engine

POR

Cap Sense and ADC

OSC

SVDD

SCL SDA AUTO CAL & CONTROL

in WLCSP package

NIRQ

HOST

NRST*, TXEN* A0

GND

SX9306

A1

SMART PROXIMITY SOLUTIONS Part Number

Sensor inputs

Interface

Proximity

Smart Engine

Auto Compensation

Package (mm)

SX9306

Up to 4

I2C

ü

ü

ü

QFN (3x3) WLCSP (1.6x1.2)

www.semtech.com 3

Smart Proximity Solutions

NEW PRODUCT

Smart Proximity Sensors for SAR

The SX9300 is the world’s first dual channel capacitive Specific Absorption Rate (SAR) controller that accurately discriminates between an inanimate object and human body proximity. FEATURES

APPLICATIONS

• Dual SAR smart sensor inputs –– On-chip engine for inanimate object vs. human body detection –– Stable proximity sensing with temperature –– >30mm detection distance –– Capacitance offset compensation to 30pf

• Smartphones • Tablets • Wearable Devices • Notebooks • Mobile hotspot

• Input supply voltage: 2.7V-5.5V • Active sensor guarding • Ultra-low power –– Doze mode: 18µA –– Sleep mode: 2.5µA • Automatic calibration –– Eliminates false triggers due to environmental factors

CS0B 4 CS0A

• Dedicated TX_EN pin –– For synchronize proximity measurement to RF transmission

CS1B 2

POR

Cap Sense and ADC

OSC

1

SAR SENSOR

CSG

Compact size: 3mm x 3mm thin QFN-20 package

SVDD

NIRQ

17 AUTO CAL & CONTROL

6, 20 GND

VDD

12

13

CS1A 3

• 400kHz I2C serial interface –– Input level compatible with 1.8V host processor •

5

11 Smart Engine

14

SCL

15

SDA

16

TXEN

18 19

SX9300

NRST

A1 A0

HOST

To VDD or GND

SMART PROXIMITY SOLUTIONS

4

Part Number

Sensor inputs

Interface

Proximity

Smart Engine

Auto Compensation

Package (mm)

SX9300

2

I2C

ü

ü

ü

QFN (3x3)

Semtech Smart Proximity Selector Guide • 2016

Smart Proximity Solutions

NEW PRODUCT

Low Power Proximity Sensor for SAR

The SX9500 is a low-cost, very low power 4-channel capacitive controller that can operate either as a proximity or button sensor. The SX9500 includes sophisticated onchip auto-calibration circuitry to regularly perform sensitivity adjustments, maintaining peak performance over a wide variation of temperature, humidity and noise environments, providing simplified product development and enhanced performance.

FEATURES

APPLICATIONS

• 4 Channel sensor inputs –– Stable proximity sensing with temperature –– >30mm detection distance –– Capacitance offset compensation to 30pf

•

• Input supply voltage: 2.7V-5.5V

• Notebooks

• Active sensor guarding

• Mobile hotspot

Smartphones

• Tablets • Wearable Devices

• Ultra-low power –– Doze mode: 18µA –– Sleep mode: 2.5µA • Automatic calibration –– Eliminates false triggers due to environmental factors • Dedicated TX_EN pin –– For synchronize proximity measurement to RF transmission

4

CS2 CS1

• 400kHz I C serial interface –– Input level compatible with 1.8V host processor 2

•

11

CS3 5

CS0

Compact size: 3mm x 3mm thin QFN-20 package GUARD

Cap Sense and ADC

3

POR

SVDD

OSC NIRQ

13 17

2 1

CSG

AUTO CAL & CONTROL

6, 20 GND

VDD

12

14

SCL

15

SDA

16

TX_EN

18

SX9500

NRST

19

A1 A0

HOST

To VDD or GND

SMART PROXIMITY SOLUTIONS Part Number

Sensor inputs

Interface

Proximity

Auto Compensation

Package (mm)

SX9500

4

I2C

ü

ü

QFN (3x3)

www.semtech.com 5

Touch Button & Proximity Solutions HIGH-PER

TOUCH

High Performance Touch Button Controllers with Proximity Sensing SX9510, SX9511, SX9512, SX9513 — A family of feature-rich capacitive touch button solutions enhances the ECO mode present in many green home electronics by integrating an IR decoder for automatic system wake up, thus minimizing the power consumption while in standby. The family also features a unique patent pending circuitry which combines the capacitive sensor with the LED driver to reduce the overall footprint. FEATURES

• Individual 256-step intensity/Fade-in/Fade-out control

• Fully integrated 8 channel touch button controller and 8 LED driver solution –– Separate core and I/O supplies –– 2.7V-5.5V core supply voltage –– 1.65V-5.5V I/O supply voltage

• Programmable address w/ 8 commands

•

Support for metal sensing user interface design

•

Smart auto-offset compensation –– Eliminate false triggers due to environmental factors –– Compensate up to 40pf

• Extreme sensitivity: –– Works with thick overlay materials (>5mm) •

Enhanced proximity sensing –– >10cm detection –– Dedicated proximity sensor or combined mode

•

Integrated IR decoder for smart energy management

•

Reduces overall system power consumption in standby mode

6

•

Compatible with a wide range of protocols (i.e. NEC, RCA, Toshiba)

• Advanced LED driver for visual feedback –– High current, 15mA LED outputs –– 256-step intensity control with blink/ breathing mode • Buzzer control for audible feedback • 2 channel analog output for direct mechanical button replacement –– 6-bit DAC programmable control –– 100Ω output impedance –– 400kHz I2C serial interface • Ultra-small footprint –– 4.0mm x 4.0mm QFN-20 –– 4.4mm x 6.5mm TSSOP-24

Semtech Smart Proximity Selector Guide • 2016

Touch Button & Proximity Solutions

VDD

CAPACITIVE TOUCH BUTTONS

APPLICATIONS

LED [7:0]

SX9510/11

BL0

• Notebooks

SVDD

IRIN IR-DECODER

• Tablets

PWRON

BL1

• Mobile applications • LCD TVs, monitors

CONTROL

BL2

• White goods

GPO/LED ENGINE

BL3

• Metal sensing applications • Consumer products, instrumentation, automotive

BL4

• Mechanical button replacement

TOUCH BUTTON & LED DRIVER INTERFACE

BL5

NRST SPO2

SPO1 POR

ANALOG OUTPUT

AOUT2/ NIRQ/ BUZZER/ PWRSTATE AOUT1 VDD

OSC I2C

BL6

SDA SCL

NVM

BL7

VREG

LEDSINK/SHIELD

GND

TOUCH BUTTONS & PROXIMITY SOLUTIONS Part Number

Sensor Inputs & LED Driver

Interface

Prox.

IR Metal Decoder Sensing

Auto Comp.

Intensity (256-step)

Field Prog. Memory

Package (mm)

SX9510

8

I2C/ Analog

ü

ü

ü

ü

Lin./Log.

ü

QFN (4x4) TSSOP (4.4x6.5)

SX9511

8

I2C/ Analog

–

ü

–

ü

Lin./Log.

ü

QFN (4x4) TSSOP (4.4x6.5)

SX9512

8

I2C/ Analog

ü

–

ü

ü

Lin./Log.

ü

QFN (4x4) TSSOP (4.4x6.5)

SX9513

8

I2C/ Analog

–

–

–

ü

Lin./Log.

ü

QFN (4x4) TSSOP (4.4x6.5)

www.semtech.com 7

Touch Button & Proximity Solutions ULTRA-LOW

POWER

Touch Button Controllers with Proximity Sensing & Analog Output The versatile, ultra-low power SX866x platform provides a cost effective solution to support various touch user interface designs (up to 36 buttons) in a space saving 5x5mm footprint. It also comes with individual LED drivers for visual feedback as well as buzzer control for audible feedback.

FEATURES

APPLICATIONS

• High resolution capacitive sensing solution –– Proximity detection up to 10cm –– Support up to 36 matrix buttons

• Home automation • White goods • Printers

• Up to 2 analog output interfaces (SX8661) –– Enable button reporting through host’s ADC

• Notebook/netbook/portable/handheld computers • Consumer products, instrumentation, automotive

• Versatile button reporting configuration (SX8661) –– Advanced channel filtering responds to the strongest touch

• Mechanical button replacement

• Extreme sensitivity –– Works with thick overlay materials (>5mm)

Cap10

Cap8

Cap3

Cap2

Cap1

Smart auto-offset compensation –– Eliminates fales triggers due to environmental factors

Cap9

Cap3

Clock Generation RC

Cap4

gpio7

vdig

gnd

resetb

vana

SX8663

gnd

PWM LED Controller

Cap7

Cap6 Cap7 Cap8

RAM

NVM

gpio1

ROM

I2C

Cap10

gpio2

gpio0 bottom plate sda

30 Capacitive Matrix Buttons + Proximity

gpio3

scl

Small footprint –– 5.0mm x 5.0mm QFN-32 –– 4.0mm x 4.0mm QFN-28

GPIO Controller

Cap9

cn

Cap4

• No external components per input

gpio4

Micro Processor

intb

Cap5

cp

Cap6

Power Management

Analog Sensor Interface

vdd

Support of buzzer for audible feedback

gpio6 gpio5

Cap5

• Enhanced LED operation –– 256-step intensity/fade-in/fade-out control –– Auto-lightening without host interaction •

Cap2

Cap11

•

Cap1

Cap0

•

BUZZER

Cap0

30 Matrix LEDs

• Ultra-low power with programmable scan time –– 100µA (typ) @ 195ms

TOUCH BUTTON & PROXIMITY SOLUTIONS Part Number

8

Button LED Interface Proximity Button # Driver

Overlay

Auto Comp.

Intensity (256-step)

Fade-in/ Auto out Lightening

Field Prog. Memory

Package (mm)

SX8661

8

8

I2C

ü

ü

>5mm

ü

Lin./Log.

ü

ü

ü

QFN (4x4)

SX8662

36

36

I2C

–

ü

>5mm

ü

Lin./Log.

ü

ü

ü

QFN (5x5)

SX8663

36

36

I2C

ü

ü

>5mm

ü

Lin./Log.

ü

ü

ü

QFN (5x5)

Semtech Smart Proximity Selector Guide • 2016

Touch Button & Proximity Solutions ULTRA-LOW

POWER

Low Power, Touch Sensors with Proximity Sensing and LED Drivers The superior sensitivity of the SX863x touch sensor platform enables sensing through a thick overlay material as well as proximity detection with an extended range all in a tiny footprint with zero components per input. The low power consumption and advanced, built-in LED drivers make it the ideal solution for a wide range of sensing applications in mobile phone, media players, notebooks and white goods. FEATURES

APPLICATIONS

• High resolution capacitive sensing solution –– Proximity detection –– Supports button, slider and wheel design

• LCD monitors • Appliances • Printers

• Extreme sensitivity: –– Works with thick overlay materials (>5mm) –– Extremely low power with programmable scan time –– 70µA (typ) @ 195ms •

• Automotive radio console • Personall media players • Set Top Box (STBs)

Smart auto-offset compensation

• Game consoles

• Eliminates false triggers due to environmental factors

• Industrial systems Vdig

• Enhanced LED operation • Individual 256-step intensity (Lin. /Log.)

Cap0

Proximity

Power Management and RESET

Analog Front End and Sensor Interface

Cap4

• No external components per input

Cap5 Cap6

GPIO3

PWM LED Controller

10-Bit ADC

GPIO4

Micro Processor

GPIO5

GPIO / LED Interface

Cap7

Touch Wheel

GPIO1 GPIO2

Cap3

Buttons

• Ultra-small footprint –– 4.0mm x 4.0mm QFN-28 –– 5.0mm x 5.0mm QFN-32

GPIO0

RC Clock Generation

Cap2

• Auto-lightening without host interaction

+V

SX863x

Cap1

• Fade-in/Fade-out control

Vana Vdd Resetb

Cap8 Enter

RAM

NVM

ROM

I2C Interface

GPIO6 GPIO7

Cap9 Cap10

Slider

>>>>>

Cap11

Prox Sensor

Plug & Play Functionality

CP CN GND x3

SCL SDA Intb

TOUCH BUTTON & PROXIMITY SOLUTIONS Part Number

Sensor Inputs

LED Driver (12 mA)

Interface

Prox.

Button

Slider

Wheel

Min. Scan Time

Power @ 195ms

Auto Comp.

Field Prog. Memory

Package (mm)

SX8633

12

8

I2C

ü

ü

–

–

15ms

80µA

ü

ü

QFN (5x5)

SX8634

12

8

I2C

ü

ü

ü

–

15ms

80µA

ü

ü

QFN (5x5)

SX8635

12

8

I2C

ü

ü

–

ü

15ms

80µA

ü

ü

QFN (5x5)

SX8636

8

8

I2C

ü

ü

–

–

15ms

70µA

ü

ü

QFN (4x4)

SX8638

8

8

I2C

ü

ü

ü

–

15ms

70µA

ü

ü

QFN (4x4)

SX8639

8

8

I2C

ü

ü

ü

15ms

70µA

ü

ü

QFN (4x4)

www.semtech.com 9

Low Power Touchscreen Solutions WORLD’S

FIRST

Touchscreen Controller with Integrated Proximity Sensing and Haptics

These fully integrated, haptics enabled resistive touchscreen controllers feature unique built-in proximity sensing circuitry, which enables proximity detection in applications where automatic system wake up or backlight LED dimming adjustments are required without the need for any additional components. The SX867x family can directly connect to an ERM or LRA Motor to create haptic feedback, thus eliminating the need for a dedicated µC interface. The SX867x family also supports various multi-touch gestures such as pinch, stretch and rotation on a regular 4-wire analog resistive touchscreen. FEATURES

•

Built-in proximity sensing with any resistive panel (>5cm) –– Automatic system/display wake up –– 4/5 wire touch panel control (IR replacement)

• Extremely low power consumption optimized for batterypowered devices –– 0.4µA @ 2.3V (Standby), 30µA @ 2.3V (8ksps)

• Integrated haptics motor control (LRA & ERM)

• 12-bit Resolution with I2C Interface

• Programmable setting time

• Best-in-Class on-chip ESD protection: Eliminates the needs for external components –– ±25kV Air Gap Discharge –– ±15kV Contact Discharge –– ±15kV HBM –– ±2kV CDM –– ±300V MM

• Enable multi-touch with low cost 4-wire touch panel • Fully compatible with most 4-wire/5-wire resistive touchscreen • Ultra-small footprint –– 2.07mm x 2.07mm WLCSP-19 –– 4.0mm x 4.0mm QFN-20

APPLICATIONS • Portable navigation device • Automotive center console • Digital photo frame • DSC • Digital video camera • Handheld games • Mobile • POS terminals

10

Semtech Smart Proximity Selector Guide • 2016

Low Power Touchscreen Solutions

SX8674 VDD

POR

GND

LDO

VREG

X+/BR Y+/TR

MVDD HAPTICS INTERFACE

MOUTP

MIN ADDR

RPULL x4

NRST NIRQ

PROX

HOST I/F

CTRL

AUX1/WIPER ANALOG SENSING 12 Bit ADC

CMOUT

MOUTN

TEMP SENSOR

Y-/BL

M

MGND

TOUCHSCREEN / PROXIMITY SENSING INTERFACE

X-/TL

Resistive Touchscreen

32K & 1.8 MHz OSC

HOST

SCL SDA

DIGITAL PROCESSING

AUX2 AUX3

LOW POWER TOUCHSCREEN SOLUTIONS Part Number

Power Consumption

SX8654

0.4µA

SX8655

0.4µA

SX8656

0.4µA

SX8657

0.4µA

SX8658

0.4µA

SX8674

0.4µA

SX8675

0.4µA

SX8676

0.4µA

SX8677

0.4µA

SX8678

0.4µA

On-chip ESD Protection ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact ±25kV Air ±15kV Contact

Digital Filter

Multi-touch

Proximity Sensing

Haptics

ü

–

ü

Generic

ü

–

–

Generic

ü

–

ü

–

ü

–

ü

Immersion

ü

–

–

Immersion

ü

ü

ü

Generic

ü

ü

–

Generic

ü

ü

ü

–

ü

ü

ü

Immersion

ü

ü

–

Immersion

Package (mm) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4) WLCSP (2.07x2.07) QFN (4x4)

www.semtech.com 11

Low Power Touchscreen Solutions HIGH-PER

TOUCH

Touchscreen Controller with +/-15kV ESD Protection & Multi-touch Semtech’s ultra-low power, resistive touchscreen controller family provides the best-in-class on-chip ESD protection as well as multi-touch capability on a resistive panel. An extremely small footprint makes these controllers ideal for portable applications where power consumption and board-space are at a premium. The SX8651/53 also enables various multi-touch gestures such as pinch, stretch and rotation on a regular 4-wire analog resistive touchscreen. FEATURES

APPLICATIONS

• Extremely low power consumption optimized for battery-powered devices –– 0.4µA @ 2.3V (Standby), 30µA @ 2.3V (8ksps)

• Portable navigation device • Automotive center console • Digital photo frame

• 12-bit Resolutions with I2C Interface

• Digital video camera and DSC

• Best-in-Class on-chip ESD protection: Eliminates the need for external components –– ±25kV air gap discharge / ±15kV contact discharge –– ±15kV HBM / ±2kV CDM / ±300V MM

• Handheld games • Mobile • POS terminals

• Equivalent throughput up to 50ksps • Enable multi-touch gestures with low cost 4-wire analog resistive touch panel • Built-in programmable settling time and digital filter reduces host processing overhead and bus loading

VDD

SX8653

VDD

Control

4-wire touchscreen

NIRQ

AUX/WIPER SPI X-/TL Y+/TR Y-/BL X+/BR

Touch Screen Interface

OSC ref+ in ADC out ref-

Vref

INT

NRST (DFN only)

POR

• Ultra-small footprint –– 1.46mm x 1.96mm WLCSP-12 –– 3.0mm x 3.0mm DFN-12 –– 4.0mm x 3.0mm DFN-14

HOST

NCS SCLK

Digital Filter

DOUT DIN

DIO CS SCLK MISO

SPI Interface

MOSI

GND

LOW POWER TOUCHSCREEN SOLUTIONS Part Number

Touch Panel

Power Consumption

SX8650

4-wire

0.4µA

SX8651 SX8652 SX8653

4-wire 4/5-wire 4/5-wire

0.4µA 0.4µA 0.4µA

Figure 5. SX8653 with a 4-wire touch screen

On-chip ESD Protection ±25kV Air ±15kV Contact ±25kV Air

Programmable Settling Time

Multi-touch

ü

ü

–

ü

±15kV Contact ±25kV Air

ü

±15kV Contact ±25kV Air

ü

±15kV Contact

200 Flynn Road, Camarillo, California 93012

Digital Filter

•

ü

ü

ü

–

ü

phone: (805) 498-2111

ü

•

Package (mm) WLCSP (1.46x1.96) DFN (3x3) WLCSP (1.46x1.96) DFN (3x3) WLCSP (1.46x1.96) DFN (4x3) WLCSP (1.46x1.96) DFN (4x3)

fax: (805) 498-3804

Semtech and the Semtech logo are registered marks of Semtech Corporation. All other trademarks and trade names mentioned may be marks and names of their respective companies. Semtech reserves the right to make changes to, or discontinue any products described in this document without further notice. Semtech makes no warranty, representation or guarantee, express or implied, regarding the suitability of its products for any particular purpose. ©2016 Semtech Corporation. All rights reserved. SmartSenSG16