CYTMA445-44LQI33ABAT 数据手册
CYTMA445
SUMMARY
TrueTouch® Multi-Touch All-Points
Touchscreen Controller Datasheet
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
■ 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
■ 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 (VPP)
• Immunity to AT&T Zero charger
■ 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)
Cypress Semiconductor Corporation
Document Number: 001-90907 Rev. *D
•
■ 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
2
❐ I 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
198 Champion Court
•
San Jose, CA 95134-1709 • 408-943-2600
Revised February 18, 2016
CYTMA445
SUMMARY
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]
Device Part Number
Family
Base Features
Part Number
Sense
Pins
Typ Screen
Size
(inches)[2]
Max
Fingers
TX Slew
Rate
Control
Improved ESD
Performance
Glove
Package
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
Water Rejection
(DualSense)
Custom
Reserved for Kits
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
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
CYTMA445-44LQI33ZZA(T)
33
4.5
10
✔
✔
✔
44-Pin QFN
CYTMA445-48LQI36ZZA(T)
36
5.0
10
✔
✔
✔
48-Pin QFN
Ordering Code Definitions
CY TMA 445 -
##LQI ## XX
(A) (T)
T: Tape and Reel
A: TX Slew Rate Control
Features (XX)
AA = Base Part
AB/AC = Base Part + Water Rejection (DualSense)
AE = Base Part + Water Rejection (DualSense) + Glove
ZZ = Custom Development
Number of Sense I/O (##): 28, 33, or 36
Pins/Package Type (##LQI)
44LQI = 44-pin QFN
48LQI = 48-pin QFN
Part Number: 445
Family Code: TMA = Multi-Touch All-Points Controller
Marketing Code: CY = Cypress
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.
Document Number: 001-90907 Rev. *D
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SUMMARY
CYTMA445
Document History Page
Document Title: CYTMA445 TrueTouch® Multi-Touch All-Points Touchscreen Controller Datasheet
Document Number: 001-90907
Orig. of Submission
Change
Date
Revision
ECN
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.
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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
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Document Number: 001-90907 Rev. *D
Revised February 18, 2016
Charger Armor™ is a trademark and TrueTouch® is a registered trademark of Cypress Semiconductor Corporation.
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