Application Circuit for One Stepper Driver Using PCA9538 with Two Position Sensors

Reference Design using part PCA9538 by NXP Semiconductors

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Manufacturer

NXP Semiconductors
  • Application Category
    Motor Control
  • Product Type
    Stepper Motor Control

For End Products

  • Doors, Window Lift and Seat Control
  • Gaming and Toys
  • Industrial Control
  • Medical System
  • Printers
  • Stepper Motor

Description

  • Application Circuit for one Stepper using PCA9538 with 2-Position Sensors. The PCA9538 GPIO used to have an I2C slave address = 0x40 by connecting both the address pins A0 and A1 to ground. The push-pull IO4, IO5, IO6 and IO7 are configured as output pins using the Configuration register. These pins are connected to G1 through G4, the gates of MOSFETs to drive the motor coils. The maximum I2C-bus speed supported by PCA9538 is 400 kHz

Key Features

  • Motor Type
    Stepper Motor

Featured Parts (3)

Featured Parts
Part Number Manufacturer Type Description
PCA9538PW,118 NXP Semiconductors GPIO Expanders I2C/SMBus Interface 100kHz/400kHz 5.5V Automotive AEC-Q100 16-Pin TSSOP T/R Buy
PCA9538BS,118 NXP Semiconductors GPIO Expanders I2C/SMBus Interface 100kHz/400kHz 5.5V Automotive AEC-Q100 16-Pin HVQFN EP T/R Buy
PCA9538PW/Q900,118 NXP Semiconductors GPIO Expanders I2C/SMBus Interface 100kHz/400kHz 5.5V Automotive AEC-Q100 16-Pin TSSOP T/R Buy

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