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Infineon Technologies CYAT817AZS77-53C02
- Part No.:
- CYAT817AZS77-53C02
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 128-LQFP
- Datasheet:
-
CYAT817AZS77-53C02.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:2,905
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Product details
Overview
CYAT817AZS77-53C02 from Infineon is an AEC-Q100 qualified automotive multitouch capacitive touchscreen controller featuring a 32-bit Arm® Cortex® CPU, 77 configurable sense pins, support for 10-finger tracking, slider sensing, and force touch with 0.1 N resolution. It delivers up to 250 Hz refresh rate, 300 kHz TX frequency, and operates across –40°C to 85°C for in-vehicle infotainment displays.
For engineers reviewing the CYAT817AZS77-53C02 datasheet, CYAT817AZS77-53C02 pinout, CYAT817AZS77-53C02 application, or CYAT817AZS77-53C02 equivalent, key selection criteria include its 128LD TQFP package, dual-sense water rejection capability, CAN interface support, low-power wake-on-touch (< 50 µA), and split-screen gesture handling in automotive HMI systems.
Technical Context
This device implements a register-configurable CAPSENSE™ architecture with integrated DSP for real-time noise filtering, multi-phase TX drive (up to 17 phases), and high-order frequency hopping up to 300 kHz. It supports dual-sense operation for wet-finger tracking and simultaneous touch/force scanning using five dedicated RX channels.
The controller integrates I2C and SPI slave interfaces (up to 8 Mbps), optional cryptographic engine, and a secondary safety interface configurable as I2C/SPI master/slave - with CAN enabled via firmware configuration. Its analog supply range is 3.0–5.5 V, digital I/Os support 1.71–1.95 V and 3.0–5.5 V, and deep sleep power is 30 µW typical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sense Pins | 77 fully configurable TX/RX pins for flexible sensor layout on 15-inch displays |
| Finger Tracking | Simultaneous 10-finger reporting with 5 mm small-finger support |
| Refresh Rate | Up to 250 Hz for responsive UI navigation in automotive HMIs |
| TX Frequency | Up to 300 kHz with frequency hopping for EMI robustness |
| Force Sensing | 0.5–10 N range, 0.1 N resolution, 100 µm displacement at 10 N |
| Power (Active) | 30 mW average during active scanning, enabling thermal-constrained designs |
| Deep Sleep | 30 µW typical, supporting always-on wake-on-touch with < 50 µA button current |
Pinout & Package
Package: 128-lead TQFP (14 × 20 × 1.4 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade reflow profile compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | Digital I/O supply | Accepts 1.71–1.95 V or 3.0–5.5 V; powers GPIOs and interface logic |
| VDDA | Analog supply | 3.0–5.5 V input for ADCs, CAPSENSE™ front-end, and reference circuits |
| SDA/SCL | I²C data/clock | Standard-mode (100 kbps), fast-mode (400 kbps), and fast-mode+ (1 Mbps) support |
| MOSI/MISO/SCLK/SS | SPI interface | Full-duplex slave operation up to 8 Mbps; supports daisy-chain configurations |
| CAN_H/CAN_L | CAN physical layer | Differential bus interface compliant with ISO 11898-2; requires external transceiver |
| TSI[0:76] | Capacitive sense I/O | 77 bidirectional pins configurable as TX, RX, or mutual-capacitance sense nodes |
Key Features
| Feature | Design Value |
|---|---|
| Auto Armor Technology | Integrated EMI suppression that simultaneously reduces emissions and improves immunity without external shielding |
| Dual-Sense Water Rejection | Independent TX/RX channel pairing enables reliable wet-finger tracking and false-trigger elimination |
| Glove Support | Automatic mode switching detects thin (≤1 mm) and thick (≤5 mm) gloves without user intervention |
| Runtime Diagnostics | On-the-fly sensor self-test, baseline drift monitoring, and open/short detection per electrode |
| Split-Screen Gesture Handling | Independent region processing allows concurrent swipe, pinch, and rotate gestures across display zones |
Applications
| Automotive Infotainment Display | Digital Instrument Cluster |
|---|---|
Use Scenario: 12–15 inch LCD/AMOLED center console touchscreen with glove and wet-finger operation. IC Role / Device Role / Timing Role: Primary multitouch controller managing mutual capacitance scanning, force mapping, and gesture decoding. Use Value: Enables AEC-Q100-compliant HMI with 250 Hz responsiveness, water rejection, and 10-finger palm rejection. | Use Scenario: Driver-facing 10-inch digital gauge cluster requiring wake-on-touch buttons and slider controls. IC Role / Device Role / Timing Role: Low-power wake-up controller with < 50 µA button sensing and runtime diagnostics for safety-critical UI elements. Use Value: Supports ASIL-B-aligned system monitoring while maintaining deep sleep power at 30 µW. |
| Head-Up Display (HUD) Touch Overlay | Passenger Seat Control Panel |
Use Scenario: Compact transparent touch overlay on curved HUD combiner glass with limited electrode pitch. IC Role / Device Role / Timing Role: High-SNR controller using 17-phase multi-phase TX and 5 V VCCTX to overcome optical stack parasitics. Use Value: Achieves effective 20 V drive for stable SNR despite low-profile sensor-on-lens (SOL) integration. | Use Scenario: Rear-seat entertainment panel with slider volume control, force-sensitive buttons, and haptic feedback coordination. IC Role / Device Role / Timing Role: Multifunction interface hub managing slider sensing, force touch, and haptic actuator timing via synchronized SCB outputs. Use Value: Integrates five parallel RX channels for simultaneous touch/force scan at 100 Hz refresh without host CPU overhead. |
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 | Includes full feature set: hover (35 mm), force touch, slider, CAPSENSE™ buttons, haptics, acoustic, and proximity sensing | Targeted for premium infotainment with advanced gesture and environmental sensing | Select when full-generation-7XL feature coverage is required beyond basic slider/force functionality |
| CYAT817AZS77-5A202 | Supports hover and force touch but omits slider, haptics, and acoustic features; retains CAN and low-power wake-up | Suitable for cost-optimized instrument clusters with core multitouch + force capability | Choose for balanced BOM cost and functional scope where slider/haptics are not needed |
Compared with CYAT817AZS77-5BFBA, CYAT817AZS77-53C02 trades off hover and haptics for tighter feature alignment with slider-centric control panels; versus CYAT817AZS77-5A202, it adds slider and CAPSENSE™ button sensing while removing hover - optimizing for mid-tier automotive HMI with tactile interaction focus.
Availability
CYAT817AZS77-53C02 is available at Aetrix Electronics and suitable for automotive infotainment displays, digital instrument clusters, and passenger seat control panels requiring stable component supply, AEC-Q100 qualification, and long-term lifecycle support.
Supply support for CYAT817AZS77-53C02 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.
CYAT817X belongs to Infineon's PSoC™ Automotive Multitouch generation 7XL product line, engineered specifically for AEC-Q100-compliant, noise-resilient capacitive touch interfaces in harsh automotive environments.
FAQ
Does CYAT817AZS77-53C02 support CAN communication out of the box?
No. CAN interface support requires custom firmware activation on the secondary SCB interface. The hardware includes CAN_H/CAN_L pins, but the peripheral must be enabled and configured via Infineon-provided bootloader tools and PSoC Creator IDE. No external transceiver is integrated; a discrete ISO 11898-2 transceiver is mandatory for bus connection.
What is the maximum electrode pitch supported for reliable 10-finger tracking?
The device supports up to 5.3 mm electrode pitch while maintaining stable 10-finger tracking and small-finger (5 mm) detection. This specification is validated with Manhattan and diamond sensor layouts on PET and glass substrates, and assumes proper grounding, shielding, and firmware calibration per Infineon's CYAT817X design guidelines.
How does the dual-sense capability improve wet-finger performance?
Dual-sense uses independent TX and RX channels to measure both self- and mutual-capacitance simultaneously. This enables real-time differentiation between water droplets (which affect self-capacitance uniformly) and finger contact (which alters mutual coupling), allowing algorithmic rejection of false touches while preserving true wet-finger tracking accuracy.
Is the 30 µW deep sleep power achievable with all sensor configurations?
Yes, the 30 µW typical deep sleep power is measured with all 77 sense pins disabled and only the low-power wake-up button circuit active. Configuring any sense pins for look-for-touch mode increases current draw proportionally; actual power depends on enabled wake sources, clock gating, and firmware-optimized retention states per Infineon AN231284.
CYAT817AZS77-53C02 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)
CYAT817AZS77-53C02 FAQ
1.How can I place an order for CYAT817AZS77-53C02 through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT817AZS77-53C02 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 CYAT817AZS77-53C02 reliable?
The price and inventory of CYAT817AZS77-53C02 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT817AZS77-53C02 is usually 5 days.
3.What payment methods are accepted for CYAT817AZS77-53C02?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT817AZS77-53C02 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT817AZS77-53C02?
CYAT817AZS77-53C02 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT817AZS77-53C02 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 CYAT817AZS77-53C02?
For technical support, including CYAT817AZS77-53C02 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT817AZS77-53C02 requirements.
6.How does Aetrix verify that CYAT817AZS77-53C02 is sourced from the original manufacturer or authorized distributors?
All CYAT817AZS77-53C02 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 CYAT817AZS77-53C02 meets industry standards.
7.What is the process for return or replacement of CYAT817AZS77-53C02?
All CYAT817AZS77-53C02 units undergo pre-shipment inspection (PSI). If there is an issue with CYAT817AZS77-53C02, 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 CYAT817AZS77-53C02 part is unused and in its original packaging.
Return procedure for CYAT817AZS77-53C02:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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