AS5145B-HSST

AS5145B-HSST is a 12Bit pre-programmed contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360 degrees. It is a system-on-chip, combining integrated Hall elements, analogue front end, and digital signal processing in a single device. To measure the angle, only a simple two-pole magnet, rotating over the centre of the chip, is required. The magnet can be placed above or below the IC. An internal voltage regulator allows the AS5145 to operate at either 3.3V or 5V supplies. The device is ideal for industrial applications like contactless rotary position sensing and robotics; automotive applications like steering wheel position sensing, transmission gearbox encoder, head light position control, torque sensing, valve position sensing and replacement of high end potentiometers application.

• Contactless high resolution rotational position encoding over full turn of 360°
• Simple user-programmable zero position and settings
• Multiple interfaces - SSI, PWM, quadrature A/B and index output signal
• Ideal for motor applications, rational speeds up to 30,000rpm
• Failure detection mode for magnet placement monitoring and loss of power supply
• Easy setup, serial read-out of multiple interconnected AS5145 devices using Daisy Chain mode
• Great flexibility at a huge application area, detects movement of magnet in Z-axis (RGB indicator)
• Fully automotive qualified, AEC-Q100, grade 0, small form factor
• Robust environmental tolerance
• 16 SSOP package, ambient temperature range from -40 to 150°C