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Infineon Technologies CYAT817AZA88-42002
- Part No.:
- CYAT817AZA88-42002
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 128-LQFP
- Datasheet:
-
CYAT817AZA88-42002.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:2,463
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Product details
Overview
CYAT817AZA88-42002 from Infineon is an AEC-Q100 qualified automotive multitouch capacitive touchscreen controller featuring a 32-bit Arm® Cortex® CPU, 88 configurable sense pins, support for up to 10 fingers, and operation across –40°C to 85°C. It delivers wake-on-touch screen capability, water rejection, wet-finger tracking, and glove support (up to 5 mm), targeting infotainment displays in automotive cockpits.
For engineers reviewing the CYAT817AZA88-42002 datasheet, CYAT817AZA88-42002 pinout, CYAT817AZA88-42002 application, or CYAT817AZA88-42002 equivalent, this device serves as a CAN-enabled, low-power, high-SNR touchscreen controller optimized for 15-inch displays with split-screen and free-form shape support under harsh EMI conditions.
Technical Context
The CYAT817AZA88-42002 implements dual-sense architecture for simultaneous water rejection and wet-finger tracking, with integrated DSP enabling single-pass long-side scanning via 64 dedicated RX ADC channels. Its multi-phase TX driver supports up to 300 kHz frequency hopping and delivers effective 20 V drive at 5 V VCCTX for enhanced SNR.
It features two independent SCB interfaces: primary I²C/SPI for touch data, and secondary configurable I²C/SPI or CAN for safety-critical host communication - requiring custom firmware for CAN activation. The device operates with 30 mW average and 30 µW deep-sleep power across 1.71–1.95 V and 3.0–5.5 V supply domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sense Pins | 88 fully configurable TX/RX pins for large-format touch sensors up to 15-inch diagonal |
| Finger Tracking | Simultaneous reporting of up to 10 fingers with 5 mm small-finger resolution |
| Refresh Rate | Configurable up to 250 Hz for responsive UI, with force-scan mode up to 100 Hz |
| Power Consumption | 30 mW typical active power; 30 µW deep-sleep current enables always-on wake-on-touch |
| Operating Temp | –40°C to +85°C (Automotive-A grade), validated per AEC-Q100 Rev G |
| Interface Options | Primary I²C (1 Mbps) / SPI (8 Mbps); secondary CAN or I²C/SPI (firmware-configurable) |
| Signal Drive | Effective 20 V multi-phase TX output at 5 V VCCTX, improving SNR in noisy automotive environments |
Pinout & Package
Package: 128-lead TQFP (14 mm × 20 mm × 1.4 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | Digital I/O Supply | 1.71–1.95 V or 3.0–5.5 V logic rail; powers GPIOs and digital peripherals |
| VDDA | Analog Supply | 3.0–5.5 V analog domain supply for CAPSENSE™ sensing circuitry and ADCs |
| VCCTX | Capacitive TX Driver Supply | 5 V input for high-voltage multi-phase TX generation; enables 20 V effective drive |
| SCL/SDA | I²C Primary Interface | Standard-mode/fast-mode/high-speed I²C bus for touch data transfer and configuration |
| SCB1_MOSI/CLK | SPI Primary Interface | Up to 8 Mbps SPI slave interface supporting alternate primary communication path |
| SCB2_TXD/RXD | Secondary Safety Interface | Configurable as CAN TX/RX or I²C/SPI; requires firmware enable for CAN mode |
| WAKE_N | Wake-on-Touch Input | Active-low interrupt pin asserting on valid touch event during deep sleep (≤50 µA leakage) |
| RESET_N | Hardware Reset | Asynchronous active-low reset pin compatible with automotive watchdog timing requirements |
Key Features
| Feature | Design Value |
|---|---|
| Dual-sense architecture | Enables concurrent water rejection and wet-finger tracking without performance trade-off |
| Auto Armor technology | Reduces both radiated emissions and susceptibility to display/EMI noise in vehicle cabins |
| Glove support | Two-finger detection with ≤5 mm thick gloves using adaptive baseline and SNR optimization |
| Free-form shape support | Allows non-rectangular sensor layouts (e.g., curved dashboards) via register-based geometry mapping |
| Runtime diagnostics | On-the-fly sensor integrity checks including electrode short/open and capacitance drift monitoring |
Applications
| Infotainment Display Interface | Digital Instrument Cluster |
|---|---|
Use Scenario: 12–15-inch LCD/AMOLED center-stack touchscreen in passenger vehicles with ambient light, moisture, and glove use. IC Role / Device Role / Timing Role: Primary capacitive touch controller handling multi-finger gestures, hover, and wake-on-touch while synchronizing with display refresh. Use Value: Dual-sense capability ensures reliable wet-finger tracking and water rejection without sacrificing responsiveness or SNR. | Use Scenario: Driver-facing digital gauge cluster requiring safety-grade touch interaction for critical functions (e.g., hazard light toggle). IC Role / Device Role / Timing Role: Secondary touch controller interfacing via CAN for functional safety redundancy and ASIL-B-aligned diagnostics. Use Value: Configurable secondary CAN interface enables fail-safe command channel independent of primary I²C/SPI bus. |
| Head-Up Display (HUD) Touch Overlay | Passenger Seat Control Panel |
Use Scenario: Compact transparent touch overlay on HUD combiner glass with tight electrode pitch and optical clarity constraints. IC Role / Device Role / Timing Role: Low-power look-for-touch controller maintaining <30 µW deep-sleep current while detecting intentional finger approach. Use Value: 35 mm hover sensing and ultra-low wake-up current extend battery life in always-on HUD systems. | Use Scenario: Rear-seat entertainment control panel with plastic (PET) sensor substrate and mechanical enclosure-induced EMI. IC Role / Device Role / Timing Role: Robust CAPSENSE™ controller compensating for metal proximity and variable stackup via auto-baseline tracking. Use Value: Integrated DSP and high-frequency TX hopping suppress cabin-wide EMI without external shielding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multitouch controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CYAT817AZA88-5B202 | Includes slider sensing and CAPSENSE™ button support; same 88-pin count and CAN interface | Required where physical sliders or discrete buttons coexist with main touchscreen | Select when mechanical UI elements must be integrated alongside capacitive surface |
| CYAT817AZA88-53002 | Enables force touch and haptic feedback; adds five dedicated RX channels for parallel force scan | Needed for pressure-sensitive controls (e.g., brake pedal override, volume press-and-hold) | Choose when tactile feedback or analog force measurement is part of HMI design |
Compared with CYAT817AZA88-5B202 and CYAT817AZA88-53002, the CYAT817AZA88-42002 provides identical core touch performance and CAN capability but omits slider, button, and force-sensing features-reducing BOM cost and firmware complexity for pure gesture-only interfaces.
Availability
CYAT817AZA88-42002 is available at Aetrix Electronics and suitable for automotive infotainment, digital instrument clusters, and HUD touch overlays requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for CYAT817AZA88-42002 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 AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global R&D and manufacturing infrastructure.
This device belongs to the PSoC™ Automotive Multitouch Generation 7XL product line, engineered specifically for high-reliability, EMI-resilient capacitive touch interfaces in automotive cockpits and ADAS human-machine interaction systems.
FAQ
Does CYAT817AZA88-42002 support CAN communication out of the box?
No. While the device includes a secondary SCB interface capable of CAN functionality, activation requires custom firmware implementation by the system integrator. The hardware supports CAN physical layer signaling, but protocol stack and message handling must be developed externally.
What is the maximum electrode pitch supported for reliable 10-finger tracking?
The CYAT817AZA88-42002 supports up to 5.3 mm electrode pitch while maintaining full 10-finger tracking accuracy and SNR margin, as verified in Infineon's reference designs for 15-inch 16:10 aspect ratio displays with Manhattan sensor layout.
Is wake-on-touch current consumption guaranteed below 50 µA across temperature?
Yes. The device achieves ≤50 µA typical wake-on-touch current over the full –40°C to +85°C operating range, measured with WAKE_N asserted and all other pins in high-impedance state, per AEC-Q100 stress testing protocols.
Can this part be used with plastic (PET) sensor substrates?
Yes. The CYAT817AZA88-42002 explicitly supports PET-based touch sensors, including single-layer independent multitouch (SLIM) and sensor-on-lens (SOL) configurations, with built-in compensation for dielectric variation and environmental drift.
CYAT817AZA88-42002 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-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:
- 128-TQFP (14x20)
CYAT817AZA88-42002 FAQ
1.How can I place an order for CYAT817AZA88-42002 through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT817AZA88-42002 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 CYAT817AZA88-42002 reliable?
The price and inventory of CYAT817AZA88-42002 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT817AZA88-42002 is usually 5 days.
3.What payment methods are accepted for CYAT817AZA88-42002?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT817AZA88-42002 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT817AZA88-42002?
CYAT817AZA88-42002 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT817AZA88-42002 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 CYAT817AZA88-42002?
For technical support, including CYAT817AZA88-42002 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT817AZA88-42002 requirements.
6.How does Aetrix verify that CYAT817AZA88-42002 is sourced from the original manufacturer or authorized distributors?
All CYAT817AZA88-42002 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 CYAT817AZA88-42002 meets industry standards.
7.What is the process for return or replacement of CYAT817AZA88-42002?
All CYAT817AZA88-42002 units undergo pre-shipment inspection (PSI). If there is an issue with CYAT817AZA88-42002, 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 CYAT817AZA88-42002 part is unused and in its original packaging.
Return procedure for CYAT817AZA88-42002:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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