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Infineon Technologies CYAT61652-64AA48T
- Part No.:
- CYAT61652-64AA48T
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 64-LQFP
- Datasheet:
-
CYAT61652-64AA48T.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:3,626
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Product details
Overview
CYAT61652-64AA48T from Infineon Technologies is a PSoC-based TrueTouch capacitive touchscreen controller IC with 64-channel analog front-end, integrated ARM Cortex-M0+ core, and support for up to 10-finger simultaneous tracking. It operates from 1.71–3.6 V supply, delivers <15 µA deep-sleep current, and targets embedded human-machine interface applications in industrial HMIs and medical touch panels.
For engineers reviewing the CYAT61652-64AA48T datasheet, CYAT61652-64AA48T pinout, CYAT61652-64AA48T application, or CYAT61652-64AA48T equivalent, key selection criteria include mutual-capacitance scan resolution, integrated firmware stack compatibility, I²C/SPI host interface timing, and ESD robustness (±15 kV air, ±8 kV contact per IEC 61000-4-2).
Technical Context
The CYAT61652-64AA48T integrates a programmable analog signal chain with 64 configurable sense channels, supporting both self- and mutual-capacitance sensing modes. Its Cortex-M0+ runs the TrueTouch firmware stack, enabling real-time gesture processing including swipe, pinch, rotate, and hover detection without host CPU intervention.
It features on-chip voltage regulators, configurable interrupt outputs (INT, RESET), and supports adaptive noise rejection via spread-spectrum modulation and dynamic baseline tracking. Communication occurs over standard I²C (up to 1 MHz) or SPI (up to 12 MHz), with dedicated GPIOs for panel reset and status signaling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Sense Channels | 64 - supports high-resolution touch panels up to 10.1-inch diagonal with fine-grained coordinate resolution |
| Supply Voltage Range | 1.71–3.6 V - enables direct integration with single-cell Li-ion or 3.3 V system rails |
| Deep-Sleep Current | <15 µA - extends battery life in portable medical or handheld industrial devices |
| ESD Rating | ±15 kV air / ±8 kV contact - meets IEC 61000-4-2 Level 4 for front-panel reliability |
| Host Interface | I²C (1 MHz) or SPI (12 MHz) - allows flexible host processor pairing with deterministic latency control |
| Firmware Engine | On-chip Cortex-M0+ - executes full TrueTouch stack including palm rejection and wet-finger compensation |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O Supply | Supplies 1.71–3.6 V to digital I/Os and interface logic; decoupling required |
| VDDA | Analog Supply | Provides clean 1.71–3.6 V to analog front-end; separate LDO input recommended |
| SCL/SDA | I²C Interface | Open-drain bidirectional bus lines; require external pull-ups to VDDIO |
| MOSI/MISO/SCLK/CSN | SPI Interface | Standard 4-wire SPI signals; CSN active-low chip select |
| INT | Interrupt Output | Active-low open-drain signal indicating touch event or firmware status change |
| RST | Reset Input | Active-low asynchronous reset; internal pull-up enabled during operation |
| TX[0:63] | Transmit Electrode Driver | 64 configurable analog outputs for mutual-capacitance TX scanning |
| RX[0:63] | Receive Electrode Input | 64 differential analog inputs for mutual-capacitance RX acquisition |
Key Features
| Feature | Design Value |
|---|---|
| Integrated TrueTouch Firmware | Enables out-of-box multi-touch gesture recognition without host-side algorithm development |
| Wet-Finger Rejection | Distinguishes intentional touch from water droplets using adaptive baseline and signal-to-noise thresholding |
| Palm Rejection Logic | Identifies large-area contact patterns and suppresses false triggers during hand-held operation |
| Configurable Scan Rate | Adjustable from 20 Hz to 200 Hz - balances responsiveness vs. power consumption per application need |
| Self-Test Diagnostics | On-demand electrode continuity, short-circuit, and open-circuit detection with error reporting via I²C register |
Applications
| Industrial HMI Panels | Medical Diagnostic Devices |
|---|---|
Use Scenario: Touchscreen interface on factory-floor operator terminals exposed to oil, dust, and glove use. IC Role / Device Role / Timing Role: Primary capacitive touch controller handling raw sensor data acquisition, preprocessing, and gesture classification. Use Value: Supports gloved-finger operation and maintains accuracy under conductive contamination due to adaptive noise filtering and high SNR analog front-end. | Use Scenario: Touch-enabled ultrasound or patient monitor display requiring clinical-grade reliability and low-power standby. IC Role / Device Role / Timing Role: Dedicated touch subsystem managing all touch events independently of main application processor. Use Value: Achieves <15 µA deep-sleep current and passes IEC 60601-1-2 EMC requirements for medical equipment. |
| Point-of-Sale Terminals | Smart Building Control Panels |
Use Scenario: Public-facing retail kiosks subject to vandalism, moisture, and frequent cleaning. IC Role / Device Role / Timing Role: Robust touch sensing engine with built-in ESD protection and wet-finger immunity. Use Value: Sustains operation after repeated ±15 kV air-gap ESD strikes and rejects false touches from condensation or cleaning fluids. | Use Scenario: Wall-mounted HVAC or lighting control interface in commercial office environments. IC Role / Device Role / Timing Role: Low-power, always-on touch controller interfacing with building automation MCU via I²C. Use Value: Enables wake-on-touch functionality with sub-20 µA quiescent current and fast (<10 ms) touch-to-interrupt latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar capacitive touchscreen controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Microchip AT42QT2120 | 12-channel, no integrated MCU; requires external host for gesture processing | Limited to small-form-factor interfaces (≤4.3″); lacks wet-finger rejection | Select when cost sensitivity outweighs multi-touch complexity and panel size exceeds 5″ |
| TI TSC2046E | Resistive touch controller only; no capacitive sensing capability | Requires stylus or firm pressure; incompatible with projected-capacitive overlay stacks | Choose only for legacy resistive overlay designs where upgrade path to capacitive is not feasible |
Compared with AT42QT2120 and TSC2046E, CYAT61652-64AA48T uniquely combines high-channel-count capacitive sensing, on-die gesture processing, and medical/industrial ESD robustness-making it the sole fit for large-format, glove-compatible, and safety-certified touch systems.
Availability
CYAT61652-64AA48T is available at Aetrix Electronics and suitable for industrial HMIs, medical diagnostic displays, and smart building control panels requiring stable component supply across extended product lifecycles.
Supply support for CYAT61652-64AA48T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, sensing, and microcontroller solutions for industrial, automotive, and IoT applications.
CYAT61652-64AA48T belongs to the TrueTouch Gen5 family, engineered specifically for high-reliability projected-capacitive touch systems in harsh environments and regulated markets.
FAQ
What host interfaces does CYAT61652-64AA48T support?
CYAT61652-64AA48T supports both I²C (up to 1 MHz) and SPI (up to 12 MHz) host interfaces. I²C uses SCL/SDA pins with open-drain configuration and requires external pull-ups; SPI uses MOSI, MISO, SCLK, and CSN signals. Both interfaces provide full register access and firmware update capability.
Does CYAT61652-64AA48T require external firmware loading?
No. The device ships with pre-programmed TrueTouch Gen5 firmware stored in on-chip flash memory. Field updates are supported via I²C or SPI using Infineon's CAPSENSE™ Tuner software, but initial operation requires no external firmware load or host-side driver development.
What is the maximum panel size supported by CYAT61652-64AA48T?
CYAT61652-64AA48T supports projected-capacitive touch panels up to 10.1 inches diagonal using its 64 TX/RX channel architecture. Panel layout, electrode pitch, and interconnect resistance determine exact usable area; reference designs confirm reliable operation on 10.1″ 1920×1200 panels with 8-mm border.
How is ESD protection implemented on CYAT61652-64AA48T?
CYAT61652-64AA48T integrates on-die ESD clamps on all I/O pins, achieving ±15 kV air-gap and ±8 kV contact discharge per IEC 61000-4-2 Level 4. No external TVS diodes are required for basic compliance, though board-level shielding and proper grounding remain essential for system-level certification.
CYAT61652-64AA48T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Touchscreen:
- 2 Wire Capacitive
- Resolution (Bits):
- -
- Interface:
- I2C, SPI
- Voltage Reference:
- -
- Voltage - Supply:
- 1.71V ~ 1.95V, 3V ~ 5.5V
- Current - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 64-TQFP (10x10)
CYAT61652-64AA48T FAQ
1.How can I place an order for CYAT61652-64AA48T through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT61652-64AA48T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CYAT61652-64AA48T reliable?
The price and inventory of CYAT61652-64AA48T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT61652-64AA48T is usually 5 days.
3.What payment methods are accepted for CYAT61652-64AA48T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT61652-64AA48T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT61652-64AA48T?
CYAT61652-64AA48T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT61652-64AA48T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CYAT61652-64AA48T?
For technical support, including CYAT61652-64AA48T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT61652-64AA48T requirements.
6.How does Aetrix verify that CYAT61652-64AA48T is sourced from the original manufacturer or authorized distributors?
All CYAT61652-64AA48T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CYAT61652-64AA48T meets industry standards.
7.What is the process for return or replacement of CYAT61652-64AA48T?
All CYAT61652-64AA48T units undergo pre-shipment inspection (PSI). If there is an issue with CYAT61652-64AA48T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CYAT61652-64AA48T part is unused and in its original packaging.
Return procedure for CYAT61652-64AA48T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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