AS5043 PB

The AS5043PB low-profile magnetic rotary encoder, developed and produced by Austria Microsystems, is a high-precision rotary angular position sensor that offers an improved quality compared to traditional single-channel sensors. It can be used in various applications, such as automotive, industrial, consumer and medical. This product is based on the principle of magnetoresistive sensing and its applications range from the automotive sector, motorcycles and industrial automation.

The AS5043PB has a resolution of 10 bits and works by sensing the movement and position of a ferromagnetic target within a 7mm working range, thus making it suitable for applications which require high inter-channel accuracy. It also has the capability to output quadrature analog values, which allows it to be used in a wide range of applications such as rotary and linear motion sensing. In addition, it can be used in servo motors, where its high accuracy and resolution ensures precise position control.

The working principle of an AS5043PB is based on a Hall Effect-based magnetic rotary encoder. The Hall Effect is a quantum mechanical effect where a magnetic field is applied to a conductor. This causes a voltage difference to occur between the two sides of the conductor, which can be used to detect the position of a ferromagnetic target. This voltage difference can be used to determine the angular position of the target relative to the encoder.

The output of the AS5043PB is a pulse width modulated (PWM) signal. The PWM signal is generated by reading the analog output voltage of the Hall element. The output is then converted to a digital pulse width output using an analog-to-digital converter. The pulse width output is then compared to a reference voltage, and the corresponding value is then converted to a digital output.

The AS5043PB also includes an adjustable resolution setting, which allows the device to be calibrated to the range of the target being measured. The resolution can be adjusted to 2, 4, 8 or 10 bits. In addition, the AS5043PB supports a range of digital protocols, which makes for easy integration into different systems.

The AS5043PB has a high level of resistance to EMC, making it suitable for applications in automotive and industrial environments. It can operate up to 1 MHz and is specified for operating temperatures of -40 to +85°C. Additional features of the device include an onboard temperature sensor to provide an indication of the device temperature.

The AS5043PB is a great solution for applications which require a high resolution and accuracy. Due to its low profile and small size, it is a preferred choice for many application areas, such as RC vehicles, surveillance systems and factory automation. As it is based on the Hall Effect, the AS5043PB is also able to detect ferromagnetic materials, making it ideal for industrial sensing applications.

In summary, the AS5043PB is a versatile, low-profile, high-precision, magnetic rotary encoder. It is well-suited for a wide range of applications, including automotive, industrial, consumer and medical applications. Its low power consumption and resistance to EMC make it an ideal solution for applications requiring long-term reliability and accuracy. As the device also supports a range of digital protocols, it is easy to integrate into existing systems. For all these reasons, the AS5043PB is an excellent choice for precision rotary angular position sensing.