E-Powertrain Sensor

eRPS - e-motor Rotor Position Sensor

High-speed inductive rotor position sensor measuring the angular position of the rotor shaft in synchronous electric motors.

Benefits & Features

  • Provides the direct sine and cosine of the electrical angle to the inverter
  • High speed and low delay
  • Standard mechanical design independent of e-motor’s number of pole pairs
  • Covers single-ended or differential outputs upon request
  • Integrated sensor protection against harsh external environment
  • Amplified output for EMC robustness and long cable harness
  • ASIL C (ASIL D possible on request)
  • Robust design - overmolded tight sensor IP6K9K
  • Low current consumption
  • Reduced number of parts for easy and cost-efficient assembly
  • Reduced weight and size compared to resolver solution

Technical Information

-40° C to 140 °C (155 °C peak)

Operating temperature range

4.5 - 5.5 V

Operating supply voltage

Angular accuracy: up to ±0.5° electrical (depending on the mechanical concept)

Current consumption: max 15 mA (30 mA if redundant)

480,000 teeth/min

Rotation speed

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