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Product Detailed Parameters
- Description：IC SCREEN CNTRL 12BIT 20QFN
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR)
- Touchscreen：4 or 5 Wire Resistive
- Resolution (Bits)：12 b
- Interface：I2C, Serial
- Voltage Reference：Internal
- Voltage - Supply：2.3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-QFN (4x4)
- Current - Supply：-
- Grade：-
- Qualification：-
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Overview
The SX8655IWLTRT is a touchscreen controller designed for 4-wire and 5-wire resistive touchscreens. It features a 12-bit resolution and supports I2C and serial interfaces. The device integrates haptic feedback capabilities and proximity sensing functions. It operates within a QFN-20 package (4x4 mm). The component is manufactured by Semtech Corporation and falls under the category of touch screen controllers.
Feature Summary
- Supports 4-wire and 5-wire resistive touchscreen technologies
- Integrates haptic feedback control functionality
- Includes proximity sensing capabilities
- Provides 12-bit resolution data processing
Applications
- Industrial HMI panels requiring resistive touch input
- Consumer electronics with haptic feedback integration
- Embedded systems utilizing proximity detection
Procurement Notes
Verify the specific package variant and interface configuration against the official datasheet before procurement. Ensure compatibility with the target system's voltage levels and communication protocols. Confirm that the haptic and proximity features align with the application requirements to avoid unnecessary complexity or cost.
Selection Notes
Select this component when a resistive touchscreen solution with integrated haptics and proximity sensing is required. Consider the 12-bit resolution and interface options (I2C/Serial) for system integration. Evaluate the QFN-20 package size constraints and thermal requirements for the specific PCB layout.
Part Context
The SX8655 series from Semtech Corporation focuses on advanced touch control solutions. This model specifically targets applications needing combined touch, haptic, and proximity functionalities in a compact form factor. It complements Semtech's portfolio of sensor and connectivity products for IoT and embedded systems.
Replacement Considerations
Check Semtech's official cross-reference documentation for direct substitutes. Verify pinout compatibility and functional equivalence if considering alternative part numbers from other manufacturers.
