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Product Detailed Parameters
- Description：PSOC BASED - TRUETOUCH
- Series：PSOC™Gen6L
- Mfr：Infineon Technologies
- Package：Tray
- Touchscreen：2 Wire Capacitive
- Resolution (Bits)：-
- Interface：I2C, SPI
- Voltage Reference：-
- Voltage - Supply：1.71V ~ 1.95V, 3V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：100-LQFP
- Supplier Device Package：100-TQFP (14x14)
- Current - Supply：-
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The CYAT81650-100AA48 is a capacitive touchscreen controller belonging to the Infineon TrueTouch CYAT8165x series. It integrates an Arm Cortex CPU for advanced signal processing and gesture recognition. The device supports I2C and SPI interfaces for system communication. Electrical specifications include a supply voltage range of 1.71 V to 5.5 V, with a maximum operating current of 20 mA. It operates within a temperature range of -40°C to +105°C and is housed in a TQFP-100 surface-mount package.
Feature Summary
- Integrated Arm Cortex CPU for complex touch processing
- Supports both I2C and SPI communication protocols
- Wide supply voltage compatibility from 1.71 V to 5.5 V
- Industrial temperature rating up to +105°C
Applications
- Capacitive touchscreen displays
- Industrial control panels
- Automotive infotainment systems
Procurement Notes
Verify the specific suffix AA48 against official datasheets to confirm pinout and packaging details, as suffixes often denote tape-and-reel or tray variations. Confirm moisture sensitivity levels and recommended soldering profiles prior to assembly. Check for end-of-life status or alternative recommendations directly from Infineon documentation.
Selection Notes
Select this component when high-performance multi-touch gestures are required alongside robust noise immunity. The integrated CPU allows for custom algorithm implementation without external microcontrollers. Ensure the host system supports the required 1.71V to 5.5V input range and utilizes either I2C or SPI for data transfer.
Part Context
This part is part of the TrueTouch Classic family, designed for high-resolution capacitive sensing. It replaces older resistive touch solutions and offers superior durability and clarity. The CYAT8165x series is engineered for demanding environments requiring reliable touch input.
Replacement Considerations
Consult Infineon's official obsolescence notices for direct replacements. Cross-reference with other CYAT8165x variants if pin compatibility is critical. Verify software driver compatibility before substituting with different series members.
