The BU21182FS is a capacitive switch controller IC designed for applications such as office automation, AV appliances, and home appliances. It features 20 capacitive sensor ports, switch ON/OFF/Long Press detection, noise calibration, drift calibration, adjustable detection time, and a 2-wire serial bus interface. Operating within 3.0V to 5.5V supply, it supports multiple switch patterns and includes advanced calibration and noise filtering functions, making it suitable for electrical equipment with multiple switches in various environments.
Package: SSOP-A32, Dimensions: 13.60mm x 7.80mm x 2.01mm
Supports 20 capacitive sensor ports
Detection functions: ON/OFF/Long Press, Repeated Long Press, Noise and Drift Calibration
Serial Bus Interface: 2-wire, support for I2C protocol, address modes 0x5C/0x5D
Threshold configuration for switch detection, sensitivity adjustment, and filter settings
Includes multiple detection, calibration, and masking registers for flexible control
Supports multi-pattern switch detection with configuration registers
Built-in LDO outputs: AVDD (2.8V) and DVDD (1.5V)
Supports detection thresholds, timing, sensitivity, and calibration adjustments via configuration registers
Maximum Junction Temperature: 125°C, Storage: -55°C to +125°C
Buy the ROHM BU21182FS – Reliable Capacitive Switch Controller for Industrial Applications
Order the ROHM BU21182FS capacitive switch controller online today and ensure reliable switch detection with advanced calibration, multiple sensor support, and noise filtering. Designed for industrial and home automation, this IC provides high precision in ON/OFF/Long Press detection, adjustable thresholds, and customizable detection times. Its compact SSOP-A32 package with integrated LDO outputs makes it ideal for various electronic systems requiring stable and accurate touch control. Experience seamless integration, robust performance, and long-term durability by purchasing online now.
Get ROHM BU21182FS today—built for precise sensing, noise filtering, and long-lasting durability in automation and home appliances.
Frequently Asked Questions
Where can I buy ROHM BU21182FSE2?
You can click on the BUY or RFQ button to purchase BU21182FSE2 from an authorized ROHM distributor.
How do I troubleshoot issues or seek technical support for part BU21182FSE2?