Sigma-delta current sensing solution for industrial drive applications

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Parameter NameParameter Value
Operating RangeIndustrial
Core ProductISOSD61, STM32H7B3I-EVAL
Key features
  • Accurate current sensing for high-end industrial motor control applications based on ISOSD61
  • 6 kV galvanic isolation, 16 bit sigma-delta modulator, up to 25 MSps
  • Fast and dynamic response to load variations
  • Compatible with field-oriented control for PMSM motors
  • Triple simultaneous current sampling via shunt resistors placed in line with the motor phases
  • Fully compatible with the STM32H7B3LI DFSDM peripheral
  • Tailored for high-end servo drives