The HAL805 UT-K is a linear Hall effect sensor manufactured by Micronas GmbH (now part of TDK-Micronas). This sensor is designed to provide a linear output voltage proportional to the applied magnetic field. It is widely used for position, angle, and current sensing in automotive and industrial applications. The integrated temperature compensation circuitry ensures stable performance over a wide temperature range. The "UT-K" designation likely refers to a specific package type or configuration.

Applications:

• Automotive position sensing: Used in throttle position sensors, pedal position sensors, and steering angle sensors.
• Industrial position sensing: Determining the position of moving parts in machinery and equipment.
• Current sensing: Measuring current in automotive and industrial applications, such as motor control systems.
• Angle sensing: Measuring the angle of rotation in automotive and industrial control systems.
• Non-contact switching: Providing a contactless switching function based on magnetic field detection.

Features:

• Linear analog output: Provides an output voltage that is directly proportional to the magnetic field strength.
• High sensitivity: Detects small changes in magnetic field strength.
• Temperature compensation: Maintains accurate readings over a wide temperature range.
• Wide operating temperature range: Suitable for use in harsh environments.
• Short-circuit protection: Protects the sensor from damage due to short circuits.

Benefits:

• Precise magnetic field measurement: Enables accurate sensing in a variety of applications.
• Reliable performance: Provides stable and consistent readings over a wide range of operating conditions.
• Easy integration: Analog output simplifies interface with microcontrollers and other electronic circuits.
• Robust design: Resistant to mechanical stress and environmental factors.
• Cost-effective solution: Provides a high level of performance at a competitive price.

Additional Details:

The HAL805 UT-K requires a supply voltage for operation. The datasheet specifies the recommended supply voltage range and operating conditions. The output voltage is typically proportional to the supply voltage. It is crucial to consider the sensor's sensitivity, offset, and linearity when designing a measurement system. External filtering may be required to reduce noise and improve signal quality. The sensor's magnetic field range should be selected based on the application's requirements. The 'UT-K' package is a small outline transistor (SOT) package designed for surface mount assembly.