High-accuracy inductive position sensing

June 24, 2020 //By Julien Happich
position sensing
The magnet-free IPS2200 inductive position sensor released by Renesas Electronics features high accuracy and speed, total stray field immunity, and efficient motor integration in a thin and lightweight form factor.

The IPS2200 is 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 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. The sensor is industrial qualified, with stable operation in harsh environments and -40° to +125° C ambient temperatures. It comes with sin/cos single ended or differential interfaces and operates from either 3.3V ±10% or 5.0V ±10%. The device supports rotational speeds up to 250.000 rpm (electrical), propagation delays are programmable to less than 10µs. In addition, Renesas offers off-the-shelf tools that can be used to create tailored and customized sensing elements, as well as custom tools that can achieve coil optimization sets within about 30 minutes.

Renesas Electronics – www.renesas.com

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