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Product Detailed Parameters
- Description：PSOC BASED - TRUETOUCH
- Series：PSOC™Gen6L
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR)
- 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 CYAT81650-100AA48T is a capacitive touchscreen controller from Infineon Technologies' TrueTouch series. It operates within a supply voltage range of 1.71 V to 5.5 V and supports I2C and SPI interfaces. The device features a 32-bit resolution and is housed in a TQFP-64 package suitable for surface mount technology. It functions reliably across an operating temperature range of -40°C to +85°C, with a maximum operating current of 20 mA.
Feature Summary
- Capacitive slider controller architecture
- Dual interface support: I2C and SPI
- 32-bit resolution processing
- Wide supply voltage compatibility (1.71 V to 5.5 V)
Applications
- Industrial control panels requiring capacitive input
- Embedded systems with limited pin counts using I2C/SPI
- Consumer electronics utilizing TrueTouch sensing technology
Procurement Notes
Verify the specific suffix 'AA48T' against official Infineon documentation to confirm reel packaging and moisture sensitivity level. Ensure the ordering quantity aligns with the manufacturer's standard reel size requirements. Cross-reference the datasheet revision date to guarantee compatibility with current design specifications.
Selection Notes
Select this component when a 32-bit resolution capacitive slider or touch controller is required. The TQFP-64 package offers a balance between pin count and board space. Confirm that the host system supports both I2C and SPI protocols if interface flexibility is needed. Verify thermal constraints against the specified -40°C to +85°C operating range.
Part Context
This part belongs to the CYAT8165x family of TrueTouch controllers. It shares core architectural similarities with other variants like the CYAT81650-64AA48T but differs in package type and specific suffix designations. The family is designed for high-performance capacitive sensing applications.
Replacement Considerations
Direct substitutes within the same family include CYAT81650-64AA48T, though package differences (TQFP-64 vs TQFP-100) require PCB layout adjustments. Verify pin-to-pin compatibility before substitution.
