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Renesas introduces new inductive position sensor

Renesas Electronics has introduced the magnet-free IPS2200 inductive position sensor, featuring high accuracy and speed, total stray field immunity, and efficient motor integration in a thin and lightweight form factor.

The sensors, the IPS2200 , is intended for use as an absolute position sensor in a wide range of industrial, medical, and robot applications. The sensor allows customers to cost effectively tailor sensor design for their applications and maximize the performance of the sensor’s accuracy.

The IPS2200 has been designed around the motor, allowing customers to match the number of sectors to pole pairs of the motor to maximize accuracy, accommodating both off-axis (through shaft and side shaft) and on-axis positioning.

The magnet-free IPS2200 is up to 10x thinner and up to 100x lighter with up to 250 krpm electrical speeds compared with more traditional resolvers. The sensor’s thin and light form factor and total stray field immunity enables easier motor integration and provides the standard materials required for customers to manufacture their own resolver replacement – reducing bill of materials costs.

With its four- or six-wire operation, the IPS2200 provides up to 10x faster speeds and very low latency compared with resolver- or magnetic-based solutions.

Key features of the IPS2200 include:

  • Industrial qualified, with stable operation in harsh environments and -40° to +125° C ambient temperatures
  • Interface: Sin/cos single ended or differential
  • Voltage Supply: 3.3V ±10% or 5.0V ±10%
  • Rotational Speed: Up to 250.000 rpm (electrical)
  • Propagation delay: Programmable, <10µs
  • Sin/cos gain mismatch and offset compensation
  • Overvoltage, reverse polarity, short-circuit protected
  • Digital programming interface: I²C or SPI

In addition, Renesas is also offering off-the-shelf tools that can be used to create tailored and customised sensing elements, as well as custom tools that can achieve coil optimisation sets within about 30 minutes.

The IPS2200 is Renesas’ first inductive position sensor for industrial markets, and joins the company’s portfolio of devices for industrial motor commutation, which includes microcontrollers, power management, and drivers.

Author
Neil Tyler

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