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Infineon Technologies CYAT817AZA88-5BFBA
- Part No.:
- CYAT817AZA88-5BFBA
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 128-LQFP
- Datasheet:
-
CYAT817AZA88-5BFBA.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:4,177
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Product details
Overview
CYAT817AZA88-5BFBA from Infineon is an AEC-Q100 qualified automotive-grade capacitive touchscreen controller featuring a 32-bit Arm® Cortex® CPU, 88 configurable sense pins (93 TX/RX + 5 TX-only), support for 10-finger multitouch, hover sensing up to 35 mm, force touch (0.1 N resolution, 0.5–10 N range), and wet-finger/water-rejection capability using dual-sense architecture. It targets in-vehicle infotainment displays up to 15-inch diagonal with 250 Hz refresh rate and 300 kHz TX frequency.
For engineers reviewing the CYAT817AZA88-5BFBA datasheet, CYAT817AZA88-5BFBA pinout, CYAT817AZA88-5BFBA application, or CYAT817AZA88-5BFBA equivalent, this device delivers certified automotive performance with integrated CAPSENSE™, CAN interface support, glove/touch/fingernail tracking, and low-power wake-on-touch (<50 µA) for cockpit HMI systems requiring robust EMI immunity and field-upgradable firmware.
Technical Context
The CYAT817AZA88-5BFBA implements a multi-phase TX architecture with up to 17-phase drive and 5 V VCCTX supply, enabling effective 20 V drive for enhanced SNR. Its integrated DSP performs real-time noise filtering, baseline tracking, and parallel touch/force scanning across five dedicated RX channels.
It supports dual communication interfaces: primary I²C/SPI (up to 8 Mbps) for host touchscreen data transfer, and secondary configurable I²C/SPI or CAN (requires custom firmware) for safety-critical or diagnostic messaging-enabling split-screen operation, free-form shape recognition, and runtime diagnostics within ASIL-B compatible system designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sense Pins | 88 total configurable pins (93 TX/RX + 5 TX-only); enables large-format touchscreens with high electrode density and fine pitch (5.3 mm) |
| Touch Capacity | Simultaneous 10-finger tracking with thin-glove (≤1 mm) and fingernail detection; supports SLIM, SOL, and hybrid in-cell sensor stackups |
| Force Sensing | Five dedicated RX channels for parallel scan; 0.1 N resolution over 0.5–10 N range; 100 μm displacement at 10 N; 100 Hz refresh |
| Power Consumption | 30 mW average active power; 30 µW Deep Sleep current; low-power wake-on-touch mode <50 µA |
| Operating Temp | Automotive-A grade: –40°C to +85°C ambient; qualified per AEC-Q100 Rev G Grade 2 |
| Communication | I²C slave (100/400 kbps, 1 Mbps); SPI slave (up to 8 Mbps); optional CAN interface via secondary SCB with custom firmware |
| Signal Drive | Effective 20 V drive using 17-phase multi-phase TX and 5 V VCCTX; improves SNR in noisy automotive environments |
Pinout & Package
Package: 128-lead TQFP (14 × 20 × 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 ADCs, CAPSENSE™ front-end, and reference circuits |
| VCCTX | Capacitive TX drive supply | 5 V dedicated supply for high-voltage multi-phase TX generation; enables 20 V effective drive |
| SCL/SDA | I²C interface | Primary host interface for touch data reporting and register configuration at up to 1 Mbps |
| MOSI/MISO/SCLK/SS | SPI interface | Alternative high-speed host interface supporting 8 Mbps for rapid frame updates and firmware bootloading |
| CANH/CANL | CAN physical layer | Secondary safety interface (requires firmware enable); supports ISO 11898-2 compliant diagnostics and redundancy |
| TSI[0:87] | Configurable sense I/O | 88 bidirectional pins assignable as TX, RX, or GPIO; supports mutual/self-capacitance and dual-sense modes |
Key Features
| Feature | Design Value |
|---|---|
| Auto Armor Technology | Integrated EMI mitigation that simultaneously reduces emissions and improves immunity without external shielding |
| Dual-Sense Architecture | Enables simultaneous water rejection and wet-finger tracking by alternating between two independent sensing methods |
| Field Upgrade Capability | Secure bootloader supports authenticated firmware updates over I²C/SPI without requiring hardware rework |
| Glove Mode Switching | Automatic detection and seamless transition between thin-glove (≤1 mm), thick-glove (≤5 mm), and bare-finger operation |
| Runtime Diagnostics | On-the-fly sensor health monitoring including open/short detection, noise floor analysis, and baseline drift compensation |
Applications
| Infotainment Display Interface | Digital Instrument Cluster |
|---|---|
Use Scenario: 12–15-inch LCD/AMOLED center-stack touchscreen in passenger vehicles with climate, navigation, and media controls. IC Role / Device Role / Timing Role: Primary capacitive touch controller managing mutual capacitance scanning, gesture recognition, and haptic feedback coordination. Use Value: Enables 250 Hz refresh and 10-finger tracking with water rejection-critical for usability during rain or condensation exposure. | Use Scenario: Driver-facing 10–12-inch digital gauge cluster with touch-enabled vehicle settings and driver-assist toggles. IC Role / Device Role / Timing Role: Safety-augmented touch interface with CAN-linked diagnostics and ASIL-B compatible runtime self-test. Use Value: Provides low-latency (<10 ms) touch response and force-sensitive button actuation while maintaining <50 µA wake-on-touch current for battery-conscious always-on operation. |
| Head-Up Display (HUD) Control Panel | Passenger Seat Entertainment System |
Use Scenario: Compact tactile control panel adjacent to HUD projection zone, used for brightness, content selection, and voice activation. IC Role / Device Role / Timing Role: Low-power wake-on-touch controller with slider and CAPSENSE™ button sensing; integrates proximity sensing via external I²C accelerometer. Use Value: Achieves <30 µW Deep Sleep power and sub-100 ms wake latency-enabling instant responsiveness without continuous polling. | Use Scenario: Rear-seat 10-inch touchscreen for video playback, gaming, and seat adjustment in premium SUVs and EVs. IC Role / Device Role / Timing Role: Multitouch controller supporting split-screen operation, free-form gesture zones, and haptic feedback synchronization. Use Value: Delivers consistent 10-finger tracking under thick-glove use and maintains SNR >60 dB even near high-frequency DC-DC converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive multitouch controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CYAT817AZS88-5BFBA | No CAPSENSE™ button sensing or slider support; identical 88-pin count and CAN interface | Lacks dedicated wake-up button and slider functionality; suitable for basic touch-only UIs | Select when CAPSENSE™ buttons and sliders are not required, reducing firmware complexity |
| CYAT817AZA77-5BFBA | 77 sense pins (vs. 88); same feature set otherwise, including force touch and CAN | Supports smaller displays (≤12-inch) with lower electrode count; reduced routing density on FPC | Choose for cost-optimized mid-tier HMI where screen size and finger count requirements are lower |
Compared with CYAT817AZS88-5BFBA and CYAT817AZA77-5BFBA, the CYAT817AZA88-5BFBA uniquely combines full 88-pin scalability, CAPSENSE™ button/slider support, and CAN-making it optimal for flagship automotive cockpits demanding maximum flexibility and safety integration.
Availability
CYAT817AZA88-5BFBA is available at Aetrix Electronics and suitable for automotive infotainment systems, digital instrument clusters, HUD control panels, and rear-seat entertainment modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CYAT817AZA88-5BFBA 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 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 ASIL-B compatible human-machine interfaces in modern vehicles-emphasizing noise resilience, glove/water operation, and functional safety-ready communication.
FAQ
What is the maximum supported touchscreen size and electrode pitch for CYAT817AZA88-5BFBA?
The CYAT817AZA88-5BFBA supports touchscreen sizes up to 15-inch diagonal with a minimum electrode pitch of 5.3 mm. Its 88 configurable sense pins (93 TX/RX + 5 TX-only) enable high-resolution layouts on Manhattan or diamond sensor patterns, and it is validated for SOL, on-cell, and SLIM stackups with LCD, AMOLED, and IPS displays.
Does CYAT817AZA88-5BFBA support CAN communication out-of-the-box?
CAN interface capability is present in hardware but requires custom firmware to enable the secondary SCB as a CAN master or slave. The device includes CANH/CANL pins and complies with ISO 11898-2 physical layer specifications; however, no default CAN stack or driver is included in the base firmware image.
How does the dual-sense architecture improve water rejection performance?
Dual-sense uses alternating measurement cycles-one optimized for mutual capacitance (touch), another for self-capacitance (water detection)-to distinguish conductive water films from intentional finger contact. This enables reliable wet-finger tracking while rejecting false touches caused by condensation or splashes, without requiring additional sensor layers or external processing.
What power states and wake-up mechanisms are supported in deep sleep mode?
The device supports Deep Sleep mode with typical current consumption of 30 µW. Wake-up sources include dedicated low-power wake-on-touch buttons (<50 µA), full-screen wake-on-touch, external interrupts via GPIO, and CAN bus activity. All wake events trigger fast recovery (<10 ms) to active scanning mode with preserved calibration state.
CYAT817AZA88-5BFBA 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 ~ 85°C (TA)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 128-TQFP (14x20)
CYAT817AZA88-5BFBA FAQ
1.How can I place an order for CYAT817AZA88-5BFBA through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT817AZA88-5BFBA 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 CYAT817AZA88-5BFBA reliable?
The price and inventory of CYAT817AZA88-5BFBA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT817AZA88-5BFBA is usually 5 days.
3.What payment methods are accepted for CYAT817AZA88-5BFBA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT817AZA88-5BFBA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT817AZA88-5BFBA?
CYAT817AZA88-5BFBA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT817AZA88-5BFBA 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 CYAT817AZA88-5BFBA?
For technical support, including CYAT817AZA88-5BFBA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT817AZA88-5BFBA requirements.
6.How does Aetrix verify that CYAT817AZA88-5BFBA is sourced from the original manufacturer or authorized distributors?
All CYAT817AZA88-5BFBA 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 CYAT817AZA88-5BFBA meets industry standards.
7.What is the process for return or replacement of CYAT817AZA88-5BFBA?
All CYAT817AZA88-5BFBA units undergo pre-shipment inspection (PSI). If there is an issue with CYAT817AZA88-5BFBA, 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 CYAT817AZA88-5BFBA part is unused and in its original packaging.
Return procedure for CYAT817AZA88-5BFBA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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