SMART PROXIMITY SENSING PRODUCT BRIEF KEY FEATURES Low power operation 1.65V to 3.7V (SX8651/53) 2.3V to 3.6V (SX8674/75/76/77/78) 30A 2.3V 8ksps 0.4A stand-by current 4/5-wire touch screen interface with programmable digital filtering/averaging Supports various multi-touch gestures such as pinch/stretch/rotate on low cost 4-wire resistive touch screen Fully programmable proximity sensing (SX8674/76) > 5cm detection distance N o additional components required Built-in haptics driver for LRA and ERM (SX8674/75) Up to 250 mA drive capability SX8651/53/74/75/76/77/78 Short circuit and over temperature protection RESISTIVE TOUCH SCREEN CONTROLLER On-chip ESD protection up to 15kV It is the worlds first haptics enabled, multi-touch resistive touch screen controller with Ultra-small footprint solution: proximity sensing and 15kV ESD protection. The SX8674, SX8675 and SX8676 belong SX8651/53: 1.46 mm x 1.96 mm 12-WLCSP, to a family of high performance, haptics-enabled multi-touch, 4/5-wire resistive touch 3 mm x 3mm 12-DFN, screen controllers with proximity detection that are optimized for hand held applications 4 mm x 3mm 14-DFN such as mobile phones, portable music players, game machines, point-of-sales terminal, SX8674/75/76/77/78: and other consumer and industrial applications. They feature a wide input supply 2.07 mm x 2.07mm 19-WLCSP, ranging from 2.3V to 3.6V. 4 mm x 4mm 20-QFN Dedicated hardware reset pin 400kHz IC interface SX8674 32K MVDD VDD POR & 1.8 MHz MGND APPLICATIONS GND OSC HAPTICS MOUTP INTERFACE IBIAS Game machines, portable music players MOUTN VREG LDO TEMP MIN SENSOR Mobile phones ADDR DSC TOUCHSCREEN/ X+/BR PROXIMITY SENSING NRST INTERFACE GPS Y+/TR NIRQ Conference phone HOST SCL X-/TL CTRL I/F ANALOG Home appliance control panels DIGITAL SDA SENSING PROCESSING Y-/BL 12-ADC POS/POI terminals AUX2 AUX1/WIPER AUX3 Touch screen monitors SX8674 Block Diagram www.semtech.com 1 SMART PROXIMITY SENSING PRODUCTS PRODUCT BRIEF Electrical Characteristics Symbol Description Condition Min Typ Max Unit Supply VDD Main supply voltage 2.3 - 3.6 V OFF - 0.4 0.75 A (MAN mode, no command, HAPT OFF) WAIT 1.7 - A (PENDET/TRG mode, pen up, PROX OFF, HAPT OFF) TOUCH1 (PENTRG mode, pen down, X+Y, RATE=4kcps, Nfilt=1, POWDLY=0.5us, - 30 - A touch screen current excluded, HAPT OFF, VDD=2.3V) TOUCH2 IDD Main supply current (PENTRG mode, pen down, X+Y, RATE=3kcps, Nfilt=7, POWDLY=0.5us, - 120 160 A touch screen current excluded, HAPT OFF) PROX (PENDET/TRG mode, pen up, TOUCHRATE=80cps, PROX ON, SCANPERI- - 8 20 A OD=200ms, HIGHIM=ON, SENSITIVITY=Max, FREQ=150kHz, BOOST=OFF, HAPT OFF) HAPT (MAN mode, no command, LRA-PWM mode, MIN= 44.8kHz/50%, - 115 145 A GAIN = Max, BW = 100, MOUTP/N floating, Squelch=011) MVDD Haptics supply voltage VDD - 3.6 V MIDD Haptics supply current OFF - 0.01 1 A SQUELCH (LRA-PWM mode, MIN= 44.8kHz/50%, GAIN = Max, - 6 10 A BW = 100, MOUTP/N floating, Squelch=011) TYPICAL APPLICATION CIRCUIT ORDERING INFORMATION Multi- Part Number Package (mm) Proximity Haptics touch SX8651IWLTRT 3x3 DFN-12 x SX8651ICSTRT 1.46x1.96 WLCSP-12 x SX8653IWLTRT 4x4 DFN-14 x SX8653ICSTRT 1.46x1.96 WLCSP-12 x SX8674IWLTRT 4x4 QFN-20 x x Generic SX8674ICSTRT 2.07x2.07 WLCSP-19 x x Generic SX8675IWLTRT 4x4 QFN-20 x Generic SX8675ICSTRT 2.07x2.07 WLCSP-19 x Generic SX8676IWLTRT 4x4 QFN-20 x x SX8676ICSTRT 2.07x2.07 WLCSP-19 x x SX8677IWLTRT 4x4 QFN-20 x x Immersion SX8677ICSTRT 2.07x2.07 WLCSP-19 x x Immersion SX8678IWLTRT 4x4 QFN-20 x Immersion SX8678ICSTRT 2.07x2.07 WLCSP-19 x Immersion visit www.semtech.com for more 200 Flynn Road, Camarillo, California 93012 phone: (805) 498-2111 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. SX8674-PB-0116