CYTMA445A-44LQI35AET

SUMMARY
CYTMA445A
TrueTouch
®
Multi-Touch All-Points
Touchscreen Controller
Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600
Document Number: 001-90901 Rev. *D Revised June 21, 2016
Features
Multi-touch capacitive touchscreen controller
32-bit ARM
®
Cortex™ CPU
Register-configurable
Noise-suppression technologies for battery charger and
display
Effective 24-V drive for higher signal-to-noise ratio (SNR)
ChargerArmor™ for charger noise immunity
External display synchronization
Water rejection and wet-finger tracking using DualSense™
Multi-touch glove with automatic mode switching
Ten fingers with thin glove (1-mm thick)
Two fingers with thick glove (5-mm thick)
Fingernail tracking
Grip suppression
Large object rejection
Automatic baseline tracking to environmental changes
Low-power look-for-touch mode
Field upgrades via bootloader
Android™ driver support
Cypress Manufacturing Test Kit (MTK)
Touchscreen sensor self-test and Panel ID reporting
System performance (configuration dependent)
Screen sizes up to 5.0-inch diagonal
4.8-mm sensor pitch; 16:9 aspect ratio
Up to 36 sense pins
308 intersections (22 × 14)
Reports up to ten fingers
Small finger support down to 4 mm
Large finger support up to 30 mm
Refresh rate up to 300 Hz; other rates configurable
TX frequency up to 500 kHz
Best-in-class charger noise immunity
Immunity up to 35-V peak-to-peak (V
PP
)
Immunity to AT&T
®
Zero charger noise
Power (configuration-dependent)
1.71- to 1.95-V or 2.0- to 5.5-V digital and I/O supply
2.65- to 4.7-V analog supply
4-mW average power
5.7-μW typical deep-sleep power
Sensor and system design (configuration-dependent)
Supports a variety of touchscreen sensors and stackups
Manhattan, diamond, Single-Layer Independent
Multi-touch (SLIM
®
), and Totem-pole patterns
Sensor-on-Lens (SOL)
Plastic (PET) and glass-sensor substrates
LCD, AMOLED, and IPS displays
Metal mesh
Single-layer flexible printed circuit (FPC) routing enabled by
flexible TX/RX configurations
Communication interface
I
2
C slave at 100 and 400 kbps
SPI slave bit rates up to 8 Mbps
[1]
Package options
44-pin 5 × 5 × 0.6-mm QFN (0.35-mm lead pitch)
48-pin 6 × 6 × 0.6-mm QFN (0.4-mm lead pitch)
Note
1. SPI support is only available in 48-pin QFN package.
Document Number: 001-90901 Rev. *D Page 2 of 4
SUMMARY
CYTMA445A
Ordering Information
Table 1 lists the CYTMA445A TrueTouch touchscreen controllers. For information on other TrueTouch families, visit
http://www.cypress.com/truetouch.
Ordering Code Definitions
Table 1. Device Ordering Information
[2]
Device Part Number TrueTouch Package
Segmentation Part Number Sense I/O
35-V
PP
Charger
Armor
DualSense Glove Type
Base Part
CYTMA445A-44LQI28AA(T) 28 44-Pin QFN
CYTMA445A-44LQI33AA(T) 33 44-Pin QFN
CYTMA445A-44LQI35AA(T) 35 44-Pin QFN
CYTMA445A-48LQI36AA(T) 36 48-Pin QFN
DualSense
CYTMA445A-44LQI28AB(T) 28 ✔✔ 44-Pin QFN
CYTMA445A-44LQI33AB(T) 33 ✔✔ 44-Pin QFN
CYTMA445A-44LQI35AB(T) 35 ✔✔ 44-Pin QFN
CYTMA445A-48LQI36AB(T) 36 ✔✔ 48-Pin QFN
Advanced
Feature
CYTMA445A-44LQI35AE(T) 35 ✔✔44-Pin QFN
CYTMA445A-48LQI36AE(T) 36 ✔✔48-Pin QFN
Custom
(Reserved for Kits)
CYTMA445A-44LQI35ZZ(T) 35 ✔✔44-Pin QFN
CYTMA445A-48LQI36ZZ(T) 36 ✔✔48-Pin QFN
Pins/Package Type (ABCDE)
Part Number: 445A
Family Code: TMA = Multi-Touch All-Points Controller
Marketing Code: CY = Cypress PSoC
CY TMA 445A
##
##LQI
AA = Base
AB = Base Part + Water Rejection (DualSense)
AE = Base Part + Water Rejection (DualSense) + Face Detection
ZZ = Custom Development
Features (XX)
44LQI = 44-pin QFN
48LQI = 48-pin QFN
-XX
Number of Sense I/O (XX): 28, 36, or 37
T = Tape and Reel
(T)
Notes
2. All devices have the following base features: ChargerArmor, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression.
Document Number: 001-90901 Rev. *D Page 3 of 4
SUMMARY
CYTMA445A
Document History Page
Document Title: CYTMA445A, TrueTouch
®
Multi-Touch All-Points Touchscreen Controller
Document Number: 001-90901
Revision ECN
Orig. of
Change
Submission
Date
Description of Change
** 4379892 SWU 05/14/2014 New datasheet.
*A 4427766 SWU 07/02/2014
Changed maximum V
DDA
supply from 5.5 V to 4.7 V.
Changed Deep Sleep power from 5.674 µW to 6.3 µW.
Changed charger noise (ChargerArmor) immunity from 15Vpp to 35 Vpp.
Fixed typo for supported Charger Armor voltage in Ordering Information table.
Fixed MPN sense I/O typo in Ordering Information table.
*B 4484730 SWU 08/27/2014 Added “Datasheet” to document title.
*C 4670224 SWU 02/25/2015
Fixed typo: Removed footnote link from External display synchronization on the front page.
Removed support for On-cell/hybrid in-cell touch-integrated display modules.
*D 5316805 ELG 06/21/2016
Updated Features.
Updated Ordering Information.
Updated CY Logo and Sales Disclaimer.

CYTMA445A-44LQI35AET

Mfr. #:
Manufacturer:
Cypress Semiconductor
Description:
IC MCU TRUETOUCH 44QFN
Lifecycle:
New from this manufacturer.
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