CYTMA445-44LQI33ZZA

SUMMARY
CYTMA445
TrueTouch
®
Multi-Touch All-Points
Touchscreen Controller Datasheet
Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600
Document Number: 001-90907 Rev. *D Revised February 18, 2016
Features
Multi-touch capacitive touchscreen controller
32-bit ARM Cortex™ CPU
Register configurable
Noise suppression technologies for battery charger and
display
Effective 28-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
10 fingers with thin glove (1-mm thick)
2 fingers with thick glove (5-mm thick)
Fingernail tracking
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
299 intersections (23 × 13)
Reports up to 10 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
Fast first-touch response (13 ms)
Charger noise immunity
Immunity up to 35 peak-to-peak voltage (V
PP
)
Immunity to AT&T Zero charger
Power (configuration dependent)
1.71- to 5.5-V digital and I/O supply
2.65- to 5.5-V analog supply
6.75-mW average power
4.5-μW typical deep-sleep power
Sensor and system design (configuration dependent)
Supports a variety of touchscreen sensors and stackups
Manhattan, diamond, and Single Layer Independent
Multi-touch (SLIM
®
) patterns
Sensor-on-lens (SOL)
On-cell touch integrated display modules
Plastic (PET) and glass sensor substrates
LCD and AMOLED displays
Single-layer flexible printed circuit (FPC) routing enabled by
flexible TX/RX configurations
Communication Interface
I
2
C slave at all standard bit rates
100 kbps, 400 kbps, 1 Mbps, and 3.4 Mbps
SPI slave bit rate up to 10 Mbps
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)
SUMMARY
CYTMA445
Document Number: 001-90907 Rev. *D Page 2 of 3
Ordering Information
Table 1 lists the CYTMA445 TrueTouch touchscreen controllers. For information on other TrueTouch
®
families, visit
http://www.cypress.com/truetouch.
Table 1. Device Ordering Information
[1]
Ordering Code Definitions
Notes
1. All devices have the following base features: 10-V TX, ChargerArmor, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression.
2. 4.7-mm pitch for screen sizes up to 4.9-inch diagonal, 4.8-mm pitch for 5.0-inch diagonal screen size, 16:9 aspect ratio. Larger screen sizes can be supported with a
larger pitch.
Device Part Number Base Features
Glove Package
Family Part Number
Sense
Pins
Typ Screen
Size
(inches)
[2]
Max
Fingers
TX Slew
Rate
Control
Improved ESD
Performance
Water Rejection
(DualSense)
CYTMA445-48LQI36AE(T) 36 5.0 10 48-Pin QFN
Custom
Reserved for Kits
CYTMA445-44LQI33ZZ(T) 33 4.5 10 44-Pin QFN
Base CYTMA445-44LQI28AAA(T) 28 3.9 10 ✔✔ 44-Pin QFN
CYTMA445-44LQI33AAA(T) 33 4.5 10 ✔✔ 44-Pin QFN
CYTMA445-48LQI36AAA(T) 36 5.0 10 ✔✔ 48-Pin QFN
Water Rejection
(DualSense)
CYTMA445-44LQI33ABA(T) 33 4.5 10 ✔✔ 44-Pin QFN
CYTMA445-48LQI36ABA(T) 36 5.0 10 ✔✔ 48-Pin QFN
CYTMA445-44LQI33ACA(T) 33 4.5 10 ✔✔ 44-Pin QFN
CYTMA445-48LQI36ACA(T) 36 5.0 10 ✔✔ 48-Pin QFN
CYTMA445-44LQI33AEA(T) 33 4.5 10 ✔✔44-Pin QFN
CYTMA445-48LQI36AEA(T) 36 5.0 10 ✔✔48-Pin QFN
Custom
Reserved for Kits
CYTMA445-44LQI33ZZA(T) 33 4.5 10 ✔✔44-Pin QFN
CYTMA445-48LQI36ZZA(T) 36 5.0 10 ✔✔48-Pin QFN
Pins/Package Type (##LQI)
Part Number: 445
Family Code: TMA = Multi-Touch All-Points Controller
Marketing Code: CY = Cypress
CY TMA 445 ##
##LQI
Features (XX)
AA = Base Part
AB/AC = Base Part + Water Rejection (DualSense)
AE = Base Part + Water Rejection (DualSense) + Glove
ZZ = Custom Development
44LQI = 44-pin QFN
48LQI = 48-pin QFN
-XX
Number of Sense I/O (##): 28, 33, or 36
A: TX Slew Rate Control
(A)
T: Tape and Reel
(T)
Document Number: 001-90907 Rev. *D Revised February 18, 2016 Page 3 of 3
Charger Armor™ is a trademark and TrueTouch
®
is a registered trademark of Cypress Semiconductor Corporation.
SUMMARY
CYTMA445
© Cypress Semiconductor Corporation 2014-2016. This document is the property of Cypress Semiconductor Corporation and its subsidiaries, including Spansion LLC ("Cypress"). This document,
including any software or firmware included or referenced in this document ("Software"), is owned by Cypress under the intellectual property laws and treaties of the United States and other countries
worldwide. Cypress reserves all rights under such laws and treaties and does not, except as specifically stated in this paragraph, grant any license under its patents, copyrights, trademarks, or other
intellectual property rights. If the Software is not accompanied by a license agreement and you do not otherwise have a written agreement with Cypress governing the use of the Software, then Cypress
hereby grants you under its copyright rights in the Software, a personal, non-exclusive, nontransferable license (without the right to sublicense) (a) for Software provided in source code form, to modify
and reproduce the Software solely for use with Cypress hardware products, only internally within your organization, and (b) to distribute the Software in binary code form externally to end users (either
directly or indirectly through resellers and distributors), solely for use on Cypress hardware product units. Cypress also grants you a personal, non-exclusive, nontransferable, license (without the right
to sublicense) under those claims of Cypress's patents that are infringed by the Software (as provided by Cypress, unmodified) to make, use, distribute, and import the Software solely to the minimum
extent that is necessary for you to exercise your rights under the copyright license granted in the previous sentence. Any other use, reproduction, modification, translation, or compilation of the Software
is prohibited.
CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS DOCUMENT OR ANY SOFTWARE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes to this document without further notice. Cypress does not
assume any liability arising out of the application or use of any product or circuit described in this document. Any information provided in this document, including any sample design information or
programming code, is provided only for reference purposes. It is the responsibility of the user of this document to properly design, program, and test the functionality and safety of any application
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Cypress, the Cypress logo, Spansion, the Spansion logo, and combinations thereof, PSoC, CapSense, EZ-USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress in the United
States and other countries. For a more complete list of Cypress trademarks, visit cypress.com. Other names and brands may be claimed as property of their respective owners.
Document History Page
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Document Title: CYTMA445 TrueTouch
®
Multi-Touch All-Points Touchscreen Controller Datasheet
Document Number: 001-90907
Revision ECN
Orig. of
Change
Submission
Date
Description of Change
** 4267426 SWU 02/19/2014 New datasheet
*A 4379995 SWU 05/14/2014 Removed 24 I/O device
Updated refresh rate from 250 Hz to 300 Hz
*B 4392605 SWU 05/28/2014 Removed Proximity feature and related manufacturing part numbers.
Updated average power from 6.1 mW to 6.75 mW to match validated active power.
*C 4466944 SWU 08/08/2014 Added “Datasheet” to document title.
*D 5139587 ELG 02/18/2016 Updated Ordering Information.
Updated copyright information.

CYTMA445-44LQI33ZZA

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