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Product Detailed Parameters
- Description：TrueTouch
- Series：PSOC™6L
- Mfr：Infineon Technologies
- Package：Tray
- Touchscreen：2 Wire Capacitive
- Resolution (Bits)：32 b
- 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：56-VFQFN Exposed Pad
- Supplier Device Package：56-QFN (8x8)
- Current - Supply：-
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The CYAT71658-56LWA41 is a capacitive touchscreen controller from Infineon Technologies, based on the PSoC TrueTouch architecture. It operates within a supply voltage range of 1.71 V to 5.5 V and draws a typical operating current of 20 mA. The device supports I2C and SPI interface protocols for system communication. Designed for surface-mount applications, it is housed in a QFN-56 package. The component functions reliably across an extended temperature range from -40 °C to +85 °C.
Feature Summary
- Capacitive touchscreen controller utilizing PSoC-based TrueTouch technology
- Supports both I2C and SPI communication interfaces
- Operates on supply voltages between 1.71 V and 5.5 V
- Available in a QFN-56 surface-mount package
Applications
- Capacitive touch user interfaces
- Consumer electronics with touch input requirements
- Industrial control panels requiring robust touch sensing
Procurement Notes
Verify availability status directly with authorized distributors or Infineon, as regional sales restrictions may apply. Confirm RoHS compliance details through official documentation before procurement. Ensure the specific ordering suffix matches the required tray packaging configuration for manufacturing integration.
Selection Notes
Select this component when a dedicated capacitive touch controller with flexible interface options (I2C/SPI) is required. The wide supply voltage range accommodates various power domains. Ensure the design supports the QFN-56 footprint and thermal requirements for the specified operating temperature range.
Part Context
This part belongs to the Infineon PSoC TrueTouch family of capacitive touch controllers. These devices are engineered to provide high-performance touch sensing solutions for embedded systems, distinguishing themselves through integrated processing capabilities and multiple interface support compared to basic analog touch sensors.
Replacement Considerations
Consult Infineon's official cross-reference tools or datasheets for verified pin-compatible or functionally equivalent alternatives. Do not assume compatibility with other touch controller families without verifying electrical parameters and interface protocols.
