CY8C20180-SX2I - CapSense Touch Controller | Infineon
料号： CY8C20180-SX2I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
CY8C20180-SX2I 概述
A capacitive-touch controller is a type of interface IC that detects changes in electrical capacitance caused by a user touching an external sensor electrode. In a knowledge-graph hierarchy, the CY8C20180-SX2I belongs to the CapSense controller family, interface ICs, and semiconductor devices. Its four configurable I/O resources can be assigned to capacitive-sensing buttons or used as GPIOs for driving LEDs or interrupt functions, allowing a small control panel to replace mechanical switches.
The key verified features are four configurable I/O channels, capacitive sensing of up to four buttons, 3 V operation, 2 kbit density, eight-pin SOIC packaging, and an extended -40 °C to +85 °C temperature range. The distributor listing also identifies the part as an Infineon capacitive-touch button controller. Exact pin names, device-programming details, current consumption, and electrical timing limits were not included in the supplied source data and therefore are not inferred here.
The CY8C20180-SX2I is suitable for low-voltage embedded user interfaces where a dedicated touch controller simplifies front-panel design. Its small SOIC footprint helps preserve board area in compact products, while configurable I/O supports shared sensing and general-purpose control requirements. The I2C-related functionality mentioned in comparison data should be verified against the manufacturer datasheet before final firmware and PCB sign-off.
Typical applications include appliance control panels, small consumer products, industrial interface modules, LED status indicators, and embedded keypad or button assemblies. For a new design, confirm the exact sensor geometry, electrode size, grounding, shielding, and firmware configuration using the manufacturer application guidance. The -40 °C to +85 °C range makes the part suitable for industrial-temperature indoor products when the surrounding enclosure and connector system are also qualified.
A practical design consideration is to keep capacitive-sensing traces short and keep the touch electrode away from high-current switching nodes and noisy sources. The controller does not eliminate the need for careful analog layout, filtering, calibration, and environmental tuning. This page synthesizes verified distributor specifications, replacement research, package information, and practical integration guidance while clearly separating missing datasheet details from confirmed values.
直接替换替代料： CY8C20180-SX2I ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
CY8C20110-SX2I
✅ 直接替换📋 参考替代料（不在目录中）
CY8C20180-SX2I 规格参数
| Product Type | CapSense Lite capacitive-touch controller |
| Configurable I/O Count | 4 |
| Capacitive Sensing Inputs | Up to 4 capacitive sensing buttons |
| 电源电压 | 3 V |
| Density | 2 kbits |
| Number of Words | 2 k |
| Bits per Word | 1 bit |
| Package Type | SOIC, 0.150 inch, MS-012 |
| Package Pin Count | 8 pins |
| 工作温度 | -40 °C to +85 °C |
| GPIO Usage | Configurable GPIOs for LEDs or interrupt functions |
| Interface Configuration | I2C configuration, based on comparison-source description |
| Manufacturer Category | Capacitive touch buttons |
| 安装类型 | Surface mount |
| Supplier Description | CapSense Express capacitive-touch controller |
| Product Family | CapSense Express |
CY8C20180-SX2I 8 pins 引脚配置指南
CY8C20180-SX2I（8 pins 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： CY8C20180-SX2I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
CY8C20180-SX2I 适用于 6 应用s: Appliance Control Panel, Consumer Device Button Interface, Industrial Equipment Interface, LED Status and Control Interface, Embedded Keypad Module, Compact Sensor and IoT Module.
Appliance Control Panel
The CY8C20180-SX2I is appropriate for compact appliance panels that use sealed capacitive buttons instead of exposed mechanical switches. Its four configurable I/O channels can serve up to four sensing electrodes, while the GPIO capability can support LED state indication or interrupt signaling. Using a dedicated controller keeps the host processor focused on product functions and allows touch behavior to be tuned independently. The 3 V supply and -40 °C to +85 °C range align with many low-voltage embedded control systems, but panel construction, electrode spacing, grounding, and calibration remain critical.
推荐
Consumer Device Button Interface
The CY8C20180-SX2I can serve as a small front-panel interface in consumer products where a glass or plastic surface requires sealed capacitive controls. Four configurable sensing resources provide a practical channel count for power, mode, volume, or function buttons, while unused resources may be assigned as GPIOs. Its SOIC-8 package helps limit board area in compact designs. Engineers must validate user experience through actual enclosure materials, electrode geometry, temperature testing, and firmware calibration rather than relying only on the controller’s nominal channel count.
推荐
Industrial Equipment Interface
The CY8C20180-SX2I fits low-voltage industrial equipment that needs a compact human interface in a control enclosure. The -40 °C to +85 °C specification is useful for indoor industrial environments, and capacitive sensing avoids exposed mechanical contacts that can collect dirt or wear. The controller can detect up to four buttons and provide GPIO-driven indication or interrupt functions around the equipment. Because the supplied data does not specify transient immunity, power limits, or environmental qualification beyond temperature, the final assembly requires system-level validation.
推荐
LED Status and Control Interface
The configurable GPIO resources allow the CY8C20180-SX2I to combine capacitive input detection with simple LED indication functions. A product can allocate one or more channels to touch sensing and use other channels for status LEDs, subject to the exact pin and current limits in the manufacturer datasheet. This can reduce the number of host GPIO pins and simplify panel wiring. The design should include suitable LED current limiting and verify whether the device’s electrical limits support the intended load; those limits are not present in the supplied source data.
推荐
Embedded Keypad Module
The CY8C20180-SX2I is suitable for a small embedded keypad or function-button module requiring up to four capacitive inputs. Its configurable architecture allows the design to share the available I/O between sensing and auxiliary digital functions, reducing the need for a larger host-controller footprint. The 3 V supply supports integration into low-voltage embedded systems, while the extended temperature range provides useful design headroom for industrial-temperature products. Firmware must define debouncing, sensitivity, idle behavior, and fault handling, and the mechanical assembly must be tested for humidity and contamination effects.
推荐
Compact Sensor and IoT Module
The CY8C20180-SX2I can provide local capacitive controls for a compact IoT module where users need a local button or configuration interface. Four channels are enough for a small control surface, while the controller’s configurable I/O can support indicator or interrupt functions without allocating every pin to sensing. The SOIC-8 package is useful when board area is constrained. Because the supplied data does not specify low-power modes, host-interface timing, or maximum GPIO loading, those details must be confirmed from the manufacturer datasheet before battery-powered deployment.
推荐
推荐产品汇总
工程参考数据： CY8C20180-SX2I ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CY8C20110-SX2I |
|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies |
| Drop-In Status | Original target | Infineon community result identifies the part as pin-compatible |
关键差异点
- Four-channel capacitive and GPIO flexibility （对比 CY8C20110-SX2I)
- Verified 3 V supply specification （对比 CY8C20110-SX2I)
- Extended temperature specification （对比 CY8C20110-SX2I)
设计说明
Keep the capacitive-sensing traces short and route them away from high-current switching paths, inductors, oscillators, and other noisy sources. The supplied data confirms the SOIC-8 package and four configurable I/O channels but does not provide a reference PCB layout, so use the manufacturer layout guidance before production release.
Do not assume that four available I/O channels automatically equal four simultaneously usable touch electrodes. Some channels may be assigned to GPIOs, LEDs, interrupts, or other functions. Allocate pins against the exact manufacturer pinout and confirm the device configuration through the manufacturer’s firmware and application guidance.
Validate the complete touch interface with the intended enclosure, electrode shape, spacer, overlay, grounding, and cable arrangement. Capacitive sensing is affected by mechanical construction and environmental conditions, so laboratory button detection does not by itself guarantee production touch performance. The verified -40 °C to +85 °C range is a component specification, not proof that every enclosure material remains stable across that range.
合规信息
The supplied distributor and manufacturer-related search results do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements.
