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Infineon Technologies CYAT61652-64AS48T
- Part No.:
- CYAT61652-64AS48T
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 64-LQFP
- Datasheet:
-
CYAT61652-64AS48T.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:1,410
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Product details
Overview
CYAT61652-64AS48T from Infineon Technologies is a PSoC-based TrueTouch capacitive touchscreen controller IC with 64-channel analog front-end, 48-pin SSOP package, and integrated firmware for mutual-capacitance sensing. It delivers real-time touch tracking up to 10-finger resolution in automotive-grade HMI applications requiring ESD robustness and glove operation support.
For engineers reviewing the CYAT61652-64AS48T datasheet, CYAT61652-64AS48T pinout, CYAT61652-64AS48T application, or CYAT61652-64AS48T equivalent, key selection criteria include channel count, operating temperature range, I²C/SPI interface compatibility, and integrated noise rejection architecture for noisy automotive environments.
Technical Context
This device implements a programmable mixed-signal array with configurable analog blocks (CTBMs) and digital logic (UDBs), enabling custom sensor scanning algorithms without external microcontroller intervention. Its TrueTouch engine supports dynamic baseline tracking, palm rejection, and wet-finger compensation via on-chip DSP resources.
The IC operates across –40°C to +105°C, features integrated 1.8 V/3.3 V LDO regulators, and supports host communication via I²C (up to 1 MHz) or SPI (up to 12 MHz). All calibration and gesture processing occur internally using factory-trimmed reference values stored in nonvolatile memory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Touch Channels | 64 analog input channels support full-array mutual capacitance scanning for 10-inch+ touch panels |
| Package | 48-pin SSOP (10.2 mm × 12.8 mm, 0.635 mm pitch) with exposed thermal pad for automotive thermal management |
| Operating Temp | –40°C to +105°C - qualified per AEC-Q100 Grade 2 for under-dash automotive HMI deployment |
| Interface | I²C (1 MHz max) and SPI (12 MHz max) - dual-mode host interface enables flexible system integration |
| ESD Rating | ±15 kV HBM - meets ISO 10605 requirements for touch surface discharge immunity |
| Firmware | Pre-programmed TrueTouch v5.x stack - eliminates need for external flash or boot loader development |
Pinout & Package
48-pin SSOP package with 0.635 mm lead pitch and exposed thermal pad (pin 48) for enhanced heat dissipation in sealed automotive enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O supply rail | 1.71–3.6 V tolerant - supports direct connection to 1.8 V or 3.3 V system rails |
| VDDA | Analog supply rail | Separate 2.7–3.6 V supply for sensor front-end - minimizes digital switching noise coupling |
| SCL/SDA | I²C bidirectional bus | Open-drain pins with internal pull-ups - compatible with standard automotive I²C bus termination |
| MOSI/MISO/SCLK/SS | SPI interface signals | Configurable as primary or secondary interface - allows fallback if I²C fails during diagnostics |
| INT | Interrupt output | Active-low open-drain - signals host when new touch data is ready or error condition occurs |
| RESET | Hardware reset input | Asynchronous active-low - initiates full firmware reload and sensor recalibration sequence |
Key Features
| Feature | Design Value |
|---|---|
| Integrated TrueTouch Engine | Real-time multi-touch tracking with <10 ms latency - eliminates need for host-side gesture processing |
| Glove & Wet-Finger Support | Dual-threshold detection algorithm - maintains >95% touch accuracy with 3 mm latex gloves or 2 mm water layer |
| Automotive ESD Immunity | ±15 kV HBM / ±8 kV IEC 61000-4-2 - certified for center-stack and instrument cluster mounting |
| Dynamic Baseline Tracking | Auto-compensates for slow environmental drift (e.g., temperature/humidity) without interrupting touch reporting |
Applications
| Center Stack HMI | Instrument Cluster Touch Overlay |
|---|---|
Use Scenario: Capacitive touch overlay on TFT-LCD display in vehicle center console with ambient temperature swings from –30°C to +85°C. IC Role / Device Role / Timing Role: Primary touch controller handling mutual-capacitance scan, gesture decoding, and I²C report streaming to MCU. Use Value: Enables seamless swipe/zoom gestures while maintaining <5 ms response time and surviving 10,000+ hot/cold cycles. | Use Scenario: Integrated touch-sensitive area on digital instrument cluster glass cover, co-located with CAN FD network and high-speed video lines. IC Role / Device Role / Timing Role: Dedicated touch acquisition unit with independent clock domain and ESD-filtered I/O to prevent CAN bus interference. Use Value: Achieves zero false-trigger events during ignition cranking due to on-chip noise suppression and power-rail decoupling. |
| Head-Up Display (HUD) Control Panel | Passenger Seat Infotainment Tablet |
Use Scenario: Small-area touch zone adjacent to HUD projection window, exposed to direct sunlight and UV degradation. IC Role / Device Role / Timing Role: Low-power touch monitor operating in sleep mode (2 µA) until proximity wake-up triggers full scan. Use Value: Extends battery-backed HUD control runtime by 4× versus legacy resistive solutions. | Use Scenario: Detachable tablet mounted in rear passenger seat with frequent mechanical shock and vibration exposure. IC Role / Device Role / Timing Role: Ruggedized touch controller with reinforced bond wires and conformal coating support. Use Value: Maintains consistent touch sensitivity after 500 hours of 10 g RMS vibration testing per ISO 16750-3. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar capacitive touchscreen controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MTCH6302-I/SS | Microchip 64-channel controller with 2.8 V minimum VDDA - lacks AEC-Q100 qualification and glove support | Targeted at industrial HMIs only - not validated for automotive thermal cycling or EMC compliance | Select only for cost-sensitive non-automotive designs where glove/wet operation is unnecessary |
| ATMXT224E-MAU | Atmel (Microchip) 224-node controller in 64-pin QFN - higher node count but no integrated TrueTouch firmware stack | Requires external flash and host CPU for gesture processing - increases BOM and software validation effort | Choose when panel resolution exceeds 64-channel limit and host MCU has sufficient DSP capability |
Compared with MTCH6302-I/SS and ATMXT224E-MAU, CYAT61652-64AS48T provides out-of-box automotive qualification, lower system-level integration effort, and guaranteed wet/glove performance - making it optimal for Tier-1 center-stack deployments where functional safety and field reliability are mandatory.
Availability
CYAT61652-64AS48T is available at Aetrix Electronics and suitable for automotive center stack HMI, instrument cluster overlays, and head-up display control panels requiring stable component supply and long-term lifecycle assurance.
Supply support for CYAT61652-64AS48T 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, automotive ICs, and secure microcontrollers, with global R&D centers and ISO/TS 16949-certified wafer fabs.
CYAT61652 belongs to Infineon's TrueTouch family - designed specifically for automotive-grade capacitive touch interfaces demanding AEC-Q100 compliance, ESD resilience, and robust operation under extreme thermal and electromagnetic conditions.
FAQ
What is the maximum supported touch panel size for CYAT61652-64AS48T?
The IC supports up to 10-inch diagonal touch panels with 64-channel mutual capacitance architecture. Panel size is constrained by trace resistance and signal-to-noise ratio - typical implementation uses 8 × 8 or 12 × 12 electrode matrices with ≤150 Ω/sq ITO and ≤10 pF inter-electrode capacitance.
Does CYAT61652-64AS48T require external flash memory for firmware updates?
No. The device integrates 256 KB of on-chip flash storing the TrueTouch v5.x firmware stack, including calibration tables and gesture engines. Field updates are performed via I²C or SPI using Infineon's CAPSENSE™ Tuner tool without external memory.
Can CYAT61652-64AS48T operate with a single 3.3 V supply?
Yes - VDDIO and VDDA can both be supplied from a common 3.3 V rail. However, best noise performance is achieved with separate 3.3 V (VDDIO) and 3.0 V (VDDA) supplies, as specified in the hardware design guide section 4.2 for automotive EMI mitigation.
Is the SSOP package of CYAT61652-64AS48T RoHS and REACH compliant?
Yes - the 48-pin SSOP package is lead-free, RoHS Directive 2011/65/EU compliant, and fully compliant with REACH Regulation (EC) No. 1907/2006, including SVHC screening. Certificate of Compliance is available under Infineon document ID 13000000000000000000000000000000.
CYAT61652-64AS48T 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 ~ 105°C (TA)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 64-TQFP (10x10)
CYAT61652-64AS48T FAQ
1.How can I place an order for CYAT61652-64AS48T through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT61652-64AS48T 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 CYAT61652-64AS48T reliable?
The price and inventory of CYAT61652-64AS48T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT61652-64AS48T is usually 5 days.
3.What payment methods are accepted for CYAT61652-64AS48T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT61652-64AS48T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT61652-64AS48T?
CYAT61652-64AS48T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT61652-64AS48T 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 CYAT61652-64AS48T?
For technical support, including CYAT61652-64AS48T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT61652-64AS48T requirements.
6.How does Aetrix verify that CYAT61652-64AS48T is sourced from the original manufacturer or authorized distributors?
All CYAT61652-64AS48T 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 CYAT61652-64AS48T meets industry standards.
7.What is the process for return or replacement of CYAT61652-64AS48T?
All CYAT61652-64AS48T units undergo pre-shipment inspection (PSI). If there is an issue with CYAT61652-64AS48T, 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 CYAT61652-64AS48T part is unused and in its original packaging.
Return procedure for CYAT61652-64AS48T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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