BU21181FS Capacitive Switch Controller

ROHM

Description

Datasheet Capacitive Switch Controller ICs Capacitive Switch Controller IC BU21181FS General .
BU21181FS is a capacitive switch controller that detects capacitance change and judges the operation of Switch ON / OFF or Long Press.

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Datasheet Specifications

Part number: BU21181FS
Manufacturer: ROHM ↗
File Size: 2.09 MB
Datasheet: BU21181FS-ROHM.pdf
Description: Capacitive Switch Controller

Features

* 18 Capacitive Sensor Pins
* Switch ON / OFF / Long Press Detection
* Inform Detection Results by Interrupt Pin
* Prevention False Detection by Water
* Noise Calibration Function
* Drift Calibration Function
* Adjust Sampling Period Function
* 2-wire Serial Bus Inter

Applications

* Home Appliance such as IH Cooker, Refrigerator and Rice Cooker
* AV Appliance such as TV and HDD Recorder
* Office Automation Appliance such as Printer
* Electrical Equipment with Multiple Switches Typical Application Circuit VDD 4.7 μF VDD 0.1 μF 1.0 μF (Note 2) 1 VDD VSS AV

BU21181FS Distributors

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BU21181FS Capacitive Switch Controller ROHM

ROHM BU21181FS-like datasheet