The BU52077GWZ is a high-sensitivity Hall effect switch IC manufactured by Rohm Semiconductor. This device detects magnetic fields and outputs a digital signal, making it suitable for various applications requiring contactless sensing. Its high sensitivity allows for detection of weak magnetic fields, and its small size enables integration into compact devices.

Applications

• Position detection in consumer electronics
• Rotation detection in motors and fans
• Open/close detection in doors and lids
• Contactless switches in industrial equipment
• Magnetic stripe readers

Features

• High sensitivity: Detects weak magnetic fields.
• Low operating voltage: Suitable for battery-powered devices.
• Digital output: Provides a clean and reliable signal.
• Small package: Allows for compact designs.
• Wide operating temperature range: Ensures reliable operation in harsh environments.

Benefits

• Reliable contactless sensing: Eliminates wear and tear associated with mechanical switches.
• Extended battery life: Minimizes power consumption in portable devices.
• Easy integration: Simplifies circuit design and reduces development time.
• Compact size: Enables smaller and more efficient designs.
• Robust performance: Operates reliably in a wide range of environmental conditions.

Additional Details

The BU52077GWZ operates on a supply voltage of 1.7V to 5.5V. It has a typical operating current of 2.6uA. The output is an N-channel open drain. The package is a small WLCSP package. It features a built-in pull-up resistor. It's used to detect the opening and closing of mobile phones, and position detection for game consoles.