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Infineon Technologies CYAT817AZS88-5BFBA
- Part No.:
- CYAT817AZS88-5BFBA
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 128-LQFP
- Datasheet:
-
CYAT817AZS88-5BFBA.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:1,054
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Product details
Overview
CYAT817AZS88-5BFBA from Infineon is an AEC-Q100 qualified automotive-grade capacitive multitouch controller featuring a 32-bit Arm® Cortex® CPU, 88 configurable sense pins (93 TX/RX + 5 TX-only), 10-finger tracking, hover sensing up to 35 mm, force touch (0.1 N resolution, 0.5–10 N range), and dual-sense water/glove rejection. It supports SLIM, SOL, and hybrid in-cell touchscreen stackups in 15-inch automotive displays.
For engineers reviewing the CYAT817AZS88-5BFBA datasheet, CYAT817AZS88-5BFBA pinout, CYAT817AZS88-5BFBA application, or CYAT817AZS88-5BFBA equivalent, this device delivers verified CAN interface support, I²C/SPI host communication, cryptographic engine option, low-power wake-on-touch (<50 µA), and runtime diagnostics for safety-critical infotainment and digital cockpit systems.
Technical Context
This PSoC™ Automotive Multitouch generation 7XL controller implements multi-phase TX drive (up to 17 phases) with 5 V VCCTX to achieve effective 20 V drive and high SNR. Its integrated DSP enables single-pass long-side scanning using 64 dedicated RX ADCs, supporting refresh rates up to 250 Hz for touch and 100 Hz for parallel force sensing.
The device integrates dual-sense architecture for simultaneous wet-finger and glove tracking (≤5 mm thick), auto armor EMI suppression, and configurable secondary SCB for CAN or SPI/I²C safety channel - firmware-enabled per Infineon's documented configuration flow.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sense Pins | 88 total: 93 configurable TX/RX + 5 TX-only pins for scalable sensor layout |
| Fingers Supported | Up to 10 simultaneous touches with 5 mm small-finger resolution |
| Hover Range | Up to 35 mm detection distance without physical contact |
| Force Sensing | 0.5–10 N range, 0.1 N resolution, 100 µm displacement at 10 N |
| Power Consumption | 30 mW typical active; 30 µW Deep Sleep for wake-on-touch |
| Operating Temp | Automotive-A grade: –40°C to +85°C ambient |
| Host Interface | I²C slave (100/400 kbps, 1 Mbps) and SPI slave (up to 8 Mbps) |
| Safety Interface | Configurable secondary SCB supporting CAN or I²C/SPI master/slave |
Pinout & Package
Package: 128-lead TQFP (14 × 20 × 1.4 mm, 0.5 mm pitch), RoHS-compliant, automotive-qualified.
| 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 GPIO, I²C, SPI |
| VDDA | Analog supply | 3.0–5.5 V analog domain for CAPSENSE™ sensing and ADCs |
| VCCTX | Capacitive TX drive supply | 5 V input enabling 20 V effective multi-phase TX voltage for SNR boost |
| SDA/SCL | I²C data/clock | Primary host interface; supports standard/fast/high-speed modes |
| MOSI/MISO/SCLK/SS | SPI interface signals | Full-duplex SPI up to 8 Mbps; configurable as primary or secondary SCB |
| CANH/CANL | CAN bus differential pair | Secondary safety interface; requires custom firmware enable per datasheet note |
| WAKE | Wake-on-touch input | Active-low interrupt output for low-power look-for-touch mode (<50 µA) |
| RESET | Hardware reset | Asynchronous active-low reset pin with internal pull-up |
Key Features
| Feature | Design Value |
|---|---|
| Auto Armor EMI Suppression | Integrated hardware filtering improves both emissions and immunity without external components |
| Dual-Sense Water/Glove Rejection | Simultaneous capacitance and mutual-capacitance sensing enables reliable operation under rain or with gloves ≤5 mm thick |
| Runtime Diagnostics | On-the-fly sensor self-test and baseline drift compensation ensure functional safety compliance |
| Split-Screen & Freeform Support | Independent region definition allows zone-specific sensitivity, gesture mapping, and UI partitioning |
| Field Upgrades via Bootloader | Secure over-the-air (OTA) firmware updates supported through cryptographic engine option |
Applications
| Infotainment Touchscreen | Digital Instrument Cluster |
|---|---|
Use Scenario: 12–15 inch LCD/AMOLED center-stack display in EVs and premium vehicles. IC Role / Device Role / Timing Role: Primary multitouch controller handling 10-finger gestures, slider controls, and haptic feedback coordination. Use Value: Dual-sense architecture ensures reliable operation with wet fingers and thin/thick gloves while maintaining 250 Hz refresh rate. | Use Scenario: Driver-facing 10–12 inch TFT cluster with safety-critical touch zones (e.g., hazard light activation). IC Role / Device Role / Timing Role: Safety-redundant touch interface with secondary CAN channel for ASIL-B-aligned diagnostics reporting. Use Value: Runtime diagnostics and wake-on-touch (<50 µA) enable always-on readiness without compromising battery drain. |
| Head-Up Display (HUD) Control Panel | Passenger Seat Touch Interface |
Use Scenario: Compact, curved plastic (PET) overlay panel adjacent to HUD projection zone. IC Role / Device Role / Timing Role: Hover-sensing controller detecting finger approach up to 35 mm before contact to preemptively activate HUD menus. Use Value: High SNR (20 V effective TX) mitigates EMI from nearby display drivers and power converters. | Use Scenario: Rear-seat entertainment system with force-sensitive buttons and slider volume control. IC Role / Device Role / Timing Role: Force touch + slider sensing IC delivering 0.1 N resolution for tactile feedback calibration and gesture-based navigation. Use Value: Parallel touch/force scan on five RX channels enables synchronized pressure + position reporting at 100 Hz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multitouch controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CYAT817AZS77-5BFBA | 77 sense pins (vs. 88); identical feature set including CAN, force touch, hover, and dual-sense | Targeted for ≤12-inch displays with lower electrode count requirements | Select when sensor layout fits 77-pin constraint and cost optimization is prioritized without sacrificing functionality |
| CYAT817AZA88-5BFBA | Same 88-pin count and package but includes acoustic haptics driver (absent in CYAT817AZS88-5BFBA) | Required where integrated piezo driver eliminates external haptic amplifier | Choose only if acoustic haptics are part of the BOM; otherwise CYAT817AZS88-5BFBA reduces component count |
Compared with CYAT817AZS77-5BFBA, this part adds 11 sense pins for larger or higher-resolution touch surfaces; versus CYAT817AZA88-5BFBA, it omits the acoustic haptics driver-reducing BoM cost and simplifying thermal design where haptics are handled externally.
Availability
CYAT817AZS88-5BFBA is available at Aetrix Electronics and suitable for automotive infotainment systems, digital instrument clusters, and HUD control panels requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CYAT817AZS88-5BFBA 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 MCUs, and sensing solutions, with global R&D and manufacturing infrastructure.
This device belongs to the PSoC™ Automotive Multitouch generation 7XL product line, designed specifically for AEC-Q100-compliant, safety-aware, high-SNR capacitive touch interfaces in next-generation vehicle cockpits and ADAS human-machine interfaces.
FAQ
Does CYAT817AZS88-5BFBA support CAN FD or only classical CAN?
No, CYAT817AZS88-5BFBA supports only classical CAN 2.0B (ISO 11898-1) at up to 1 Mbps. The datasheet specifies "CAN interface" without FD capability, and no CAN FD registers or timing configurations are documented in the generation 7XL summary or ordering information.
What is the maximum electrode pitch supported for reliable 10-finger tracking?
The device supports up to 5.3 mm electrode pitch while maintaining full 10-finger tracking performance, as confirmed in the Datasheet Summary (page 2) under "System performance." This specification assumes standard Manhattan or diamond sensor layouts with proper shielding and grounding.
Is the cryptographic engine included by default or optional in CYAT817AZS88-5BFBA?
The cryptographic engine is an optional feature enabled via firmware configuration and specific silicon option codes-not physically absent but not activated out-of-box. The datasheet states "Optional cryptographic engine for secure communication," and ordering code suffixes do not indicate mandatory inclusion.
Can the 5 TX-only pins be repurposed as GPIO or analog inputs?
No. Per the Datasheet Summary (page 5, Note 4), the 5 TX-only pins are dedicated to transmit function within the CAPSENSE™ subsystem and cannot be configured as general-purpose I/O or analog inputs. They lack associated RX path circuitry and register-level reconfiguration support.
CYAT817AZS88-5BFBA 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 ~ 105°C (TA)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 128-TQFP (14x20)
CYAT817AZS88-5BFBA FAQ
1.How can I place an order for CYAT817AZS88-5BFBA through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT817AZS88-5BFBA 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 CYAT817AZS88-5BFBA reliable?
The price and inventory of CYAT817AZS88-5BFBA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT817AZS88-5BFBA is usually 5 days.
3.What payment methods are accepted for CYAT817AZS88-5BFBA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT817AZS88-5BFBA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT817AZS88-5BFBA?
CYAT817AZS88-5BFBA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT817AZS88-5BFBA 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 CYAT817AZS88-5BFBA?
For technical support, including CYAT817AZS88-5BFBA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT817AZS88-5BFBA requirements.
6.How does Aetrix verify that CYAT817AZS88-5BFBA is sourced from the original manufacturer or authorized distributors?
All CYAT817AZS88-5BFBA 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 CYAT817AZS88-5BFBA meets industry standards.
7.What is the process for return or replacement of CYAT817AZS88-5BFBA?
All CYAT817AZS88-5BFBA units undergo pre-shipment inspection (PSI). If there is an issue with CYAT817AZS88-5BFBA, 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 CYAT817AZS88-5BFBA part is unused and in its original packaging.
Return procedure for CYAT817AZS88-5BFBA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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