ROHM Semiconductor

BU21078FV-E2

BU21078FV-E2 Description

The BU21078FV-E2 is a capacitive switch controller IC designed by ROHM Semiconductor, a leading manufacturer in the electronics industry. This device is specifically engineered to provide reliable and efficient capacitive sensing solutions for various applications. It features a surface mount mounting type, packaged in tape and reel (TR), making it suitable for automated assembly processes. The BU21078FV-E2 operates with a supply current of 3.5 mA, ensuring low power consumption while maintaining high performance. It is classified under the category of Sensor and Detector Interfaces and is identified by the base product number BU21078.

BU21078FV-E2 Features

The BU21078FV-E2 boasts several unique features that set it apart from similar models in the market. Its capacitive sensing technology allows for accurate and responsive detection, making it ideal for applications requiring touch-based interfaces. The device is designed to be RoHS3 compliant and REACH unaffected, ensuring it meets the highest environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 1 (unlimited), which means it can be stored and used without the need for special handling or packaging.

Key technical specifications include:

• Supply Current: 3.5 mA, ensuring minimal power draw and extended battery life in portable applications.
• Mounting Type: Surface Mount, compatible with modern PCB assembly techniques.
• Package: Tape & Reel (TR), facilitating efficient production and handling.
• Product Status: Not For New Designs, indicating it is suitable for existing projects but not recommended for new designs.
• ECCN: EAR99, simplifying export and compliance processes.
• HTSUS: 8542.39.0001, aiding in customs and tariff classification.

BU21078FV-E2 Applications

The BU21078FV-E2 is well-suited for a variety of applications where capacitive sensing is required. Its low power consumption and reliable performance make it ideal for use in:

• Consumer Electronics: Touch-sensitive controls for smartphones, tablets, and other portable devices.
• Home Appliances: Capacitive touch interfaces for kitchen appliances, washing machines, and other household devices.
• Automotive Systems: Touch-based controls for in-vehicle infotainment systems and dashboard interfaces.
• Industrial Controls: User interfaces for machinery and equipment where robust and responsive touch controls are essential.

Conclusion of BU21078FV-E2

The BU21078FV-E2 capacitive switch controller IC from ROHM Semiconductor offers a comprehensive solution for capacitive sensing applications. Its low power consumption, surface mount compatibility, and robust environmental compliance make it a reliable choice for a wide range of industries. While it is not recommended for new designs, the BU21078FV-E2 remains a valuable component for existing projects, providing consistent performance and ease of integration. Its unique features and benefits make it a standout product in the capacitive sensor controller market, ensuring it continues to meet the needs of engineers and designers in the electronics industry.