BU94501AKS2-E2 Integrated Circuits (ICs)

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Pulse encoders are widely used in mechanical systems, data transmission systems or process automation systems. The BU94501AKS2-E2 is an incremental encoder providing both short circuit and open collector outputs. It is mainly used in medium to high-end application fields due to its excellent performance and high reliability.

The BU94501AKS2-E2 provides authorized manufacturers attractive features such as low power consumption, wide operating temperature range, wide operating range, small mechanical size, tamper protection, high resolution and accuracy, dual channel output and low cost.

The BU94501AKS2-E2 is a two-channel incremental optical encoder. It works as an interface between mechanical movements and signals. The two output channels produce two rectangular wave signals that are 90° out of phase for determining shaft position, direction of rotation and pulse count. The axial wire diameter of the encoder is 4.7mm, and some of its features include a wide supply voltage range. This allows the encoder to be used across a variety of industrial and consumer applications, including motors, encoders and rotary switches.

In terms of operating temperature, the BU94501AKS2-E2 can provide good performance in temperature range between -20°C to +85°C. It not only provides superior accuracy but is also designed to be treated with harsh conditions, ensuring high immunity from dust, pollutants, shocks and vibrations. Furthermore, the encoder provides protection against ESD and EMI, adding to its overall robustness and reliability.

When it comes to power consumption, the BU94501AKS2-E2 requires only 30mA at most, which is much lower compared to other similar encoders. This makes the encoder suitable for portable and battery-powered applications, as well as for systems that need to cut down on power consumption.

At the core of the BU94501AKS2-E2 is the principle of differential photo-interrupter technology, which is based on the change of magnetic field caused by the rotational movement. The encoder has a photo-divider inside and two output pins, outA and outB, which are 90° apart. When the external magnet rotates, the magnetic fields on both photo dividers change in opposite direction. This dynamic change of the magnetic fields causes the outA and outB output pins to produce rectangular voltage with 90° phase difference.

The BU94501AKS2-E2 provides guaranteed high-precision monitoring. The encoder has a built-in error correction algorithm, which significantly increases the accuracy of the output signal, meaning any positional errors can be fully compensated. The resolution and accuracy of the encoder can be adjusted by changing the number of elements of the photo divider.

The BU94501AKS2-E2 is an excellent choice for designs that require monitoring of position, direction, speed and other mechanical parameters. With high resolution, accuracy, multiple temperature ranges and its low power consumption, the encoder is perfectly suitable for a wide range of applications, including mechanical control, data transmission, and process automation.

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