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Infineon Technologies CYAT847AZS88-42002
- Part No.:
- CYAT847AZS88-42002
- Manufacturer:
- Infineon Technologies
- Category:
- Touch Screen Controllers
- Package:
- 128-LQFP
- Datasheet:
-
CYAT847AZS88-42002.pdf
- Description:
- PSOC BASED - TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:1,428
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Product details
Overview
CYAT847AZS88-42002 from Infineon is an AEC-Q100 qualified automotive-grade capacitive touchscreen controller (slave device in multichip architecture), featuring 32-bit Arm® Cortex® CPU, 88 sense I/Os, -40°C to 105°C operating range (Automotive-S grade), and support for up to 10-finger tracking with thin-glove operation on displays up to 35-inch diagonal. It enables high-SNR multi-phase TX (up to 150 kHz) and integrates 192-channel ADCs for single-pass long-side scanning.
For engineers reviewing the CYAT847AZS88-42002 datasheet, CYAT847AZS88-42002 pinout, CYAT847AZS88-42002 application, or CYAT847AZS88-42002 equivalent, key selection criteria include glove/water rejection capability, I²C slave interface (1 Mbps), 128-pin TQFP package compatibility, and integration into PSoC™ Automotive Multitouch Generation 7XL multichip systems with master-slave topology.
Technical Context
This device operates as a slave controller in a distributed multitouch architecture, synchronizing with a master (e.g., CYAT837X) via dedicated inter-chip communication. It implements DualSense sensing, AutoArmor EMI mitigation, and DisplayArmor noise suppression - all configurable via register-level access.
It delivers 5-V TX drive with 17-phase multi-phase capability, enabling effective 20-V signal swing for improved SNR. Its integrated DSP performs real-time touch data filtering and baseline tracking, supporting refresh rates up to 120 Hz and electrode pitch down to 6 mm.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sense I/O Count | 88 independent sense channels for fine-grained electrode routing in large-format touch sensors |
| Operating Temp Range | -40°C to +105°C (Automotive-S grade), validated per AEC-Q100 Grade 2 for under-hood or center-stack deployment |
| TX Frequency Max | 150 kHz - enables high-resolution scanning while avoiding display interference bands |
| I²C Interface Speed | Up to 1 Mbps - supports low-latency host communication for real-time touch reporting |
| Refresh Rate | Configurable up to 120 Hz - meets responsiveness requirements for infotainment gesture interfaces |
| Analog Supply Range | 3.0 V to 5.5 V - compatible with standard automotive power rails and simplifies LDO selection |
| Digital Supply Range | 1.71 V to 1.95 V (core) + 3.0 V to 5.5 V (I/O) - enables mixed-voltage system integration |
Pinout & Package
Package: 128-pin 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 | Accepts 3.0–5.5 V; powers all GPIOs and I²C interface buffers |
| VDDA | Analog supply | 3.0–5.5 V input for ADCs, TX drivers, and sensor front-end circuitry |
| VDDCORE | Core logic supply | 1.71–1.95 V for Arm® Cortex® CPU and internal digital logic |
| SCL / SDA | I²C slave interface | Configurable as standard/fast/high-speed mode (100 kbps/400 kbps/1 Mbps) |
| SENSE[0:87] | Capsense electrode inputs | 88 dedicated analog inputs for mutual-capacitance or self-capacitance sensing |
| TX[0:16] | Multiphase transmit outputs | 17 programmable TX lines supporting high-order phase sequencing for SNR optimization |
| RESET_N | Active-low reset | Asynchronous hardware reset; required for bootloader entry and fault recovery |
| INT_N | Interrupt output | Open-drain signal indicating touch event, configuration change, or error condition |
Key Features
| Feature | Design Value |
|---|---|
| DualSense sensing | Simultaneous self- and mutual-capacitance measurement per electrode pair - enables robust wet-finger and stylus detection without hardware reconfiguration |
| AutoArmor EMI mitigation | Real-time adaptive frequency hopping and spread-spectrum TX modulation - reduces radiated emissions by >10 dB and improves immunity against display noise |
| Glove mode switching | Automatic transition between thin-glove (≤1 mm) and thick-glove (≤5 mm) profiles based on signal amplitude and decay time - no host intervention required |
| Integrated 192-channel ADC array | One ADC per sense channel with simultaneous sampling - eliminates multiplexing delay and enables true single-pass long-side scan for <8 ms full-frame latency |
| Manufacturing Test Kit (MTK) support | On-chip self-test routines accessible via I²C - validates sensor connectivity, TX driver integrity, and ADC linearity during end-of-line testing |
Applications
| Infotainment Touchscreen | Digital Instrument Cluster |
|---|---|
Use Scenario: 12–15 inch LCD/AMOLED display in center console with ambient light variation and glove use. IC Role / Device Role / Timing Role: Slave controller handling bottom-half electrode scanning and local SNR-optimized TX sequencing. Use Value: Enables 10-finger gesture recognition at 120 Hz with consistent wet-finger rejection and no false triggers from display switching noise. | Use Scenario: 7–10 inch TFT cluster with metal bezel proximity and EMI from nearby power converters. IC Role / Device Role / Timing Role: Dedicated slave node managing right-side sensor grid and performing real-time baseline drift compensation. Use Value: Maintains touch accuracy across -40°C to 105°C while suppressing EMI from adjacent 12 V DC-DC converters using AutoArmor modulation. |
| Head-Up Display (HUD) Control Panel | Passenger Seat Touch Interface |
Use Scenario: Small-form-factor (≤5 inch) curved glass panel mounted near HUD projection zone with high ambient temperature. IC Role / Device Role / Timing Role: Localized slave controller executing fast 60 Hz scan cycles with automatic threshold adaptation. Use Value: Delivers sub-5 mm finger resolution and reliable thin-glove response despite thermal drift and optical coating interference. | Use Scenario: Large-area (≥20 inch) plastic-film sensor embedded in seat armrest with mechanical vibration and humidity exposure. IC Role / Device Role / Timing Role: High-channel-count slave managing 88 electrodes with large-object rejection and dynamic baseline tracking. Use Value: Rejects palm rests and accidental presses while maintaining 10-finger tracking accuracy under continuous vibration and condensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive touchscreen controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CYAT847AZA88-42002 | Same silicon, -40°C to +85°C temp grade (Automotive-A), lower thermal margin | Suitable for cabin-controlled zones only (e.g., rear-seat displays), not center-stack or instrument clusters | Select when cost-sensitive designs operate exclusively within 85°C ambient limits |
| CYAT837AZS88-42002 | Master controller variant with identical pinout and 88-sense capability but includes boot ROM and host interface arbitration logic | Required as system master in multichip configurations; cannot substitute directly as slave | Choose only when implementing standalone or master-led architecture without companion slave devices |
Compared with CYAT847AZA88-42002, this part adds 20°C higher max operating temperature for under-dash deployment; versus CYAT837AZS88-42002, it omits master-specific firmware and arbitration logic - making it strictly a slave node optimized for channel expansion and thermal resilience.
Availability
CYAT847AZS88-42002 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 CYAT847AZS88-42002 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 microcontrollers, and sensing solutions, with global R&D and manufacturing infrastructure.
CYAT847AZS88-42002 belongs to the PSoC™ Automotive Multitouch Generation 7XL product line, designed specifically for scalable, high-SNR capacitive touch systems in safety-critical automotive human-machine interfaces.
FAQ
Is CYAT847AZS88-42002 pin-compatible with CYAT847AZA88-42002?
Yes - both share identical 128-pin TQFP package, pin assignment, and electrical characteristics. The sole difference is temperature grade: CYAT847AZS88-42002 is rated for -40°C to +105°C (Automotive-S), while CYAT847AZA88-42002 is rated for -40°C to +85°C (Automotive-A). No layout or schematic changes are needed for substitution where thermal margins allow.
Does CYAT847AZS88-42002 require an external master controller?
Yes - it is a slave-only device in the Generation 7XL multichip architecture and must be paired with a master controller (e.g., CYAT837X series) to manage bootloading, host interface arbitration, and system-level calibration. It lacks standalone boot ROM and cannot initiate I²C communication as a master.
What touchscreen sensor topologies does CYAT847AZS88-42002 support?
It supports Manhattan and diamond-pattern ITO layouts, sensor-on-lens (SOL), PET and glass substrates, and metal-mesh sensors. Compatibility extends to LCD, AMOLED, and IPS displays. Electrode pitch down to 6 mm and aspect ratios up to 16:10 are supported, with up to 10320 sense intersections across its 88 channels.
Can CYAT847AZS88-42002 operate with Android-based hosts?
Yes - Infineon provides certified Android touch drivers supporting HAL integration, including gesture engine compatibility and power-aware suspend/resume behavior. Driver source code and integration guides are available through MyICP after registration, and validation has been performed on Android 10–13 platforms with standard I²C host controllers.
CYAT847AZS88-42002 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-LQFP
- Touchscreen:
- 2 Wire Capacitive
- Resolution (Bits):
- -
- Interface:
- I2C
- 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)
CYAT847AZS88-42002 FAQ
1.How can I place an order for CYAT847AZS88-42002 through Aetrix?
Please submit a Request for Quotation (RFQ) for CYAT847AZS88-42002 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 CYAT847AZS88-42002 reliable?
The price and inventory of CYAT847AZS88-42002 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYAT847AZS88-42002 is usually 5 days.
3.What payment methods are accepted for CYAT847AZS88-42002?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYAT847AZS88-42002 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYAT847AZS88-42002?
CYAT847AZS88-42002 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYAT847AZS88-42002 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 CYAT847AZS88-42002?
For technical support, including CYAT847AZS88-42002 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYAT847AZS88-42002 requirements.
6.How does Aetrix verify that CYAT847AZS88-42002 is sourced from the original manufacturer or authorized distributors?
All CYAT847AZS88-42002 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 CYAT847AZS88-42002 meets industry standards.
7.What is the process for return or replacement of CYAT847AZS88-42002?
All CYAT847AZS88-42002 units undergo pre-shipment inspection (PSI). If there is an issue with CYAT847AZS88-42002, 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 CYAT847AZS88-42002 part is unused and in its original packaging.
Return procedure for CYAT847AZS88-42002:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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