CY8C20110-SX2I - 10-Input CapSense Controller | Infineon
MPN: CY8C20110-SX2I ✓ فعالCY8C20110-SX2I جائزہ
A capacitive touch controller is a specialized input interface IC that detects changes in capacitance caused by a user's finger or conductive object. It belongs to the broader capacitive-sensing controller category, which combines analog front-end measurement, configurable button logic, and digital communication. Unlike a mechanical switch, a CapSense controller can provide sealed user interfaces, compact layouts, and configurable behavior without exposing moving electrical contacts.
The CY8C20110 supports four to ten capacitive buttons through its 10 CapSense I/O resources. Its I2C interface provides a straightforward connection to a host microcontroller for configuration and status communication. Configuration is stored in onboard nonvolatile memory so that the controller can load its operating configuration automatically at power-on. The device is also optimized for LED dimming in backlight applications through 15 selectable duty cycles.
The CY8C20110-SX2I combines sensing and control functions without requiring a separate host processor to perform basic touch detection. Its operating range of 2.4 V to 2.9 V suits low-voltage embedded systems where supply headroom is constrained. The industrial temperature rating of -40°C to 85°C supports operation across commercial and industrial ambient environments when the complete assembly is designed and tested for those conditions.
Typical uses include appliance control panels, compact capacitive keypads, lighting controls, backlight dimming interfaces, and embedded touch buttons. In a keypad, multiple CY8C20110 I/O resources can support individual electrodes, while the host reads touch events over I2C. The device is particularly useful when the mechanical design requires a flush panel, sealed enclosure, or a product appearance based on illuminated capacitive controls rather than discrete switches.
Designers should account for electrode geometry, guard components, environmental compensation, connector capacitance, and the effect of enclosure materials. The I2C bus must also be checked for address availability and pull-up requirements on the assembled system. Because the verified product information does not provide a complete public pin map, PCB designers should use the manufacturer pinout and reference design rather than infer connections from the package outline.
This page combines verified manufacturer and distributor information, package and interface constraints, drop-in alternatives, application guidance, and design notes. It highlights where the CY8C20110-SX2I fits within capacitive user-interface designs and where replacement decisions require additional firmware, firmware-compatibility, and board-level validation.
کے لیے ڈراپ اِن متبادل CY8C20110-SX2I — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں CY8C20110-SX2I (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Product Type, Package, Package Type, Sensor Type.
CY8C20110-SX1I
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY8C20100-SX2I
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY8C20100-SX1I
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY8C20111-SX1I
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →CY8C20111-SX2I
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY8C20110-SX2I تفصیلات
| Product Type | CapSense Express capacitive touch controller |
| CapSense I/O Pins | 10 pins |
| Supported Capacitive Buttons | 4 to 10 buttons |
| Host Interface | I2C |
| Operating Supply Voltage Range | 2.4 V to 2.2.9 V |
| آپریٹنگ درجہ حرارت رینج | -40°C to 85°C |
| پیکیج | 16-pin SOIC |
| ماؤنٹنگ ٹائپ | Surface mount |
| Configuration Storage | Onboard nonvolatile memory |
| Power-On Configuration Loading | Automatic loading |
| LED Dimming Duty Cycles | 15 selectable duty cycles |
| LED Dimming Optimization | Backlight applications |
| Product Series | CapSense Express PSOC 201xx |
| سینسر کی قسم | Capacitive touch sensing |
| Manufacturer Document Package Code | PG-DSO-16-801 |
CY8C20110-SX2I pg-dso-16-801 پن کنفیگریشن گائیڈ
CY8C20110-SX2I (pg-dso-16-801 پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں CY8C20110-SX2I.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
CY8C20110-SX2I کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control Panel, Backlight Dimming Control, Industrial Equipment Keypad, Consumer Touch Interface, Lighting and Dimmer Interface, Embedded Capacitive Keypad.
Appliance Control Panel
The CY8C20110-SX2I fits appliance control panels requiring four to 10 capacitive buttons in a compact 16-pin SOIC footprint. Its 10 CapSense I/O resources allow the designer to map multiple touch zones to a sealed or flush front panel without exposing mechanical switches. The controller communicates with the appliance mainboard through I2C, while onboard nonvolatile memory supports automatic configuration loading at power-on. Because the verified supply range is only 2.4 V to 2.9 V, the appliance power tree must maintain that range during startup and operation. Electrode geometry, panel material, grounding, and humidity can alter measured capacitance, so the assembled panel must be tuned and tested rather than validated only with a loose breadboard.
تجویز کردہ
Backlight Dimming Control
The CY8C20110-SX2I is suitable for capacitive backlight controls because the device documentation identifies optimization for LED dimming through 15 selectable duty cycles. A user can place a touch button beside a backlight and have the system controller read the resulting event over I2C, after which the host applies the selected brightness level to the external LED driver. Keeping the touch controller separate from the LED power stage helps organize the design into sensing, communication, and drive functions. The touch electrode still needs adequate spacing and guarding, and the final dimming response depends on the selected duty cycle, the LED driver, and the host firmware. This arrangement is useful in appliances and industrial panels with compact illuminated controls.
تجویز کردہ
Industrial Equipment Keypad
The CY8C20110-SX2I can support a compact industrial keypad containing four to 10 capacitive controls. Its -40°C to 85°C operating-temperature specification provides a suitable component-level range for extended commercial and industrial environments, while the 16-pin SOIC package supports conventional surface-mount assembly. The I2C interface allows an industrial controller to receive input status and coordinate the keypad with other machine functions. Designers should provide a clean, stable 2.4 V to 2.9 V supply and evaluate conductive contamination, condensation, gloves, and changes in enclosure material. The component rating alone does not define touch performance; electrode geometry and environmental validation remain necessary for a reliable user interface.
تجویز کردہ
Consumer Touch Interface
For consumer products, the CY8C20110-SX2I supports a modern button-based interface using four to 10 capacitive sensing channels without mechanical switch contacts. The controller's 10 CapSense I/O pins permit flexible electrode assignment, and I2C provides a direct link to a product microcontroller. Onboard nonvolatile configuration enables automatic loading at power-on, reducing host initialization work when the intended design is validated in advance. The 2.4 V to 2.9 V operating range requires careful integration with a low-voltage system rail, including sufficient startup margin. Designers should also evaluate cosmetic panel finishes, hand moisture, cable coupling, and charging-system interference before mass production because those factors directly influence capacitive measurement stability.
تجویز کردہ
Lighting and Dimmer Interface
The CY8C20110-SX2I is applicable to lighting controls that use capacitive touch as the user command interface. Its verified support for 15 selectable LED-duty-cycle options provides a defined set of dimming selections, while the I2C port lets a host controller translate a touch event into the required external-driver command. This arrangement separates low-energy user input from the potentially higher-current LED power stage and makes it possible to place a sealed touch surface near an illuminated control. The 16-pin SOIC package is convenient for compact boards, but the 2.4 V to 2.9 V operating range must be respected. Firmware should also debounce, report, and apply the selected level without creating visible flicker or unexpected brightness transitions.
تجویز کردہ
Embedded Capacitive Keypad
The CY8C20110-SX2I is well suited to an embedded capacitive keypad connected to a host processor over I2C. Four to 10 buttons can be supported by the available CapSense resources, and the automatic power-on loading of onboard nonvolatile configuration can simplify deterministic startup behavior. The controller's 16-pin SOIC package can be placed on a compact mixed-signal PCB, subject to normal analog-layout practices for the sensing pins. A successful implementation must coordinate electrode spacing, ground reference, shielding or guarding, and the host's firmware interpretation of touch events. Changes in cable length, panel adhesives, or nearby switching circuitry can influence the sensor baseline, making production validation of the complete mechanical assembly important.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا CY8C20110-SX2I — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | CY8C20110-SX1I | CY8C20100-SX2I | CY8C20100-SX1I | CY8C20111-SX1I | CY8C20111-SX2I |
|---|---|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | 16-pin SOIC | 16-pin SOIC - same package | 16-pin SOIC - same package | 16-pin SOIC - same package | 16-pin SOIC - same package | 16-pin SOIC - same package |
اہم امتیازی خصوصیات
- Supports a broad configurable button count within a compact controller (بمقابلہCY8C20111-SX2I)
- Verified low-voltage operating range and industrial temperature grade (بمقابلہCY8C20100-SX2I)
- Onboard nonvolatile configuration enables automatic power-on loading (بمقابلہCY8C20100-SX1I)
- Defined backlight-control feature set (بمقابلہCY8C20111-SX1I)
ڈیزائن نوٹس
Place the CY8C20110-SX2I and its supporting components in accordance with the manufacturer layout guidance, keeping sensor connections away from noisy switching nodes. Because the verified material confirms capacitive sensing and I2C functionality but does not provide a complete PCB reference layout, do not invent trace dimensions or grounding geometry. Use the official application guidance and evaluate electrode return paths, guarding, and connector placement on the assembled board.
Design the associated power rail for the verified 2.4 V to 2.9 V operating range under temperature and load, not only at nominal room temperature. Confirm startup behavior, output accuracy, and any configuration-download requirements against the manufacturer datasheet. The controller can operate from onboard nonvolatile configuration at power-on, but the host and supporting circuitry must still satisfy the same supply constraints during initialization.
Do not judge touch performance from a loose controller board when the final product uses a panel, adhesive, enclosure, cable, or shield. Those mechanical and electrical elements can change the sensing baseline and coupling. Test button response across expected temperature, humidity, supply, panel tolerances, and nearby noise sources, and recalibrate only according to the manufacturer's procedure. A component-level -40°C to 85°C rating does not guarantee a specified user experience in every enclosure.
Treat the I2C bus as a shared interface and verify address selection, pull-up requirements, capacitance, and bus compatibility with the host and other peripherals. The verified data does not disclose the electrical timing or address, so those details must come from the official manufacturer documentation. Keep the firmware able to distinguish communication faults from genuine touch events and define a safe behavior for an unavailable or unconfigured controller.
تعمیل کی معلومات
The supplied verified data does not explicitly state the target's RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred.