사양
| 속성 | 가치 |
| Supplier | Microchip Technology |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | Buttons |
| ProximityDetection | Yes |
| NumberofInputs | 8 |
| Interface | I²C, SMBus |
| Resolution | 8 b |
| Voltage-Supply | 3V ~ 5.5V |
| Current-Supply | 750µA |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 14-SOIC (0.154, 3.90mm Width) |
개요
Description
CAP1298-1-SL-TR is Microchip’s CAP1298 8-channel capacitive touch sensor IC, in the SL package with Tape-and-Reel shipping. It detects touch or proximity on eight independent pads and reports results over I2C. Features include per-channel programmable sensitivity and thresholds, baseline tracking, noise filtering, debounce, and proximity/touch detection, plus interrupt-ready status for the host controller. Applications: touch buttons/keypads, control panels, and other consumer-electronics UI using capacitive sensing. How to use: connect eight sense pads to the channels, power the device, set the I2C address, and configure thresholds, debounce, and baselines via registers. Read channel status to determine touches and handle interrupts. For exact electrical specs, timing, pinout, and the specific -SL-TR variant details, consult the CAP1298 datasheet and product documentation.
Equivalent
Direct equivalent: Microchip CAP1188 (8-channel capacitive touch sensor, I2C). Other common multi-channel options include NXP MPR121 (12-channel, I2C) and various CapSense controllers from TI/ST. Channel count and features differ, so verify electricals and interface for compatibility or use as a non-direct alternative.
Pinout
- Pin count: 28 pins (CAP1298-1-SL-TR in a 28‑pin SL package, Tape & Reel).
- Function: 8‑channel capacitive touch sensor/controller with I2C‑compatible interface. It senses touches on eight electrode channels (CH0–CH7), reports results over I2C, and provides an interrupt output. Features configurable sensitivity/debounce and device addressing.
- Function: 8‑channel capacitive touch sensor/controller with I2C‑compatible interface. It senses touches on eight electrode channels (CH0–CH7), reports results over I2C, and provides an interrupt output. Features configurable sensitivity/debounce and device addressing.
Manufacturer
- Manufacturer: Microchip Technology Inc.
- What kind of company: A global American semiconductor company that designs and manufactures microcontrollers, analog and memory products (including capacitive sensing ICs); publicly traded (NASDAQ: MCHP) and headquartered in Chandler, Arizona.
- What kind of company: A global American semiconductor company that designs and manufactures microcontrollers, analog and memory products (including capacitive sensing ICs); publicly traded (NASDAQ: MCHP) and headquartered in Chandler, Arizona.
Application
CAP1298-1-SL-TR is an 8-channel capacitive touch sensor. Common application areas:
- Front-panel input: pushbuttons, sliders, wheel-type controls for consumer electronics (TVs, audio/video receivers, game peripherals)
- Home appliances: control panels for refrigerators, ovens, dishwashers, washers
- Remote controls and wireless devices
- Automotive and industrial-control panels (HVAC, instrumentation, equipment switches)
- Any wear-free, non-mechanical user interface requiring reliable touch sensing (e.g., medical devices, outdoor/ ruggedized gear)
It enables multiple touch inputs with configurable thresholds and I2C interfacing.
- Front-panel input: pushbuttons, sliders, wheel-type controls for consumer electronics (TVs, audio/video receivers, game peripherals)
- Home appliances: control panels for refrigerators, ovens, dishwashers, washers
- Remote controls and wireless devices
- Automotive and industrial-control panels (HVAC, instrumentation, equipment switches)
- Any wear-free, non-mechanical user interface requiring reliable touch sensing (e.g., medical devices, outdoor/ ruggedized gear)
It enables multiple touch inputs with configurable thresholds and I2C interfacing.
Package
SL denotes a Small Outline package (SOIC‑style). TR indicates Tape‑and‑Reel packaging.
