Motor Drivers, Stepper | LV8726TA

Stepper Motor Pre-Driver, PWM, Constant-Current Control, Micro step

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The LV8726 is a bipolar stepper motor driver with ultra-small micro step drive capability. The device uses external dual H-bridges consisting of P and N channel MOSFETs. The operation voltage range is from 9V to 55V, and it is applicable to various industrial applications. Synchronous rectification control is implemented for all H-bridges to minimize power dissipation during a MOSFET switching. The device implements constant-current control using PWM. The step advance sequencer covers from half step to 1/128 micro step, and is driven by a clock input. The configuration registers can be programmed through an SPI serial interface.To enhance energy efficiency further, the device can be put into a power saving standby mode.

  • Industrial
  • Computing and Peripherals
  • Textile machine
  • Packing machine
  • Large printer
  • Engraving machine
  • Industrial instrument
  • 1 channel PWM constant-current control stepper motor pre driver of P-N channel MOSFET drive
  • 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128 Step
    and 1/3, 1/6, 1/12, 1/36, 1/5, 1/10, 1/20, 1/50, 1/100 Step are selectable.
  • Advance the excitation step with the only step signal input
  • 8-bit 3-wire serial control
  • Low voltage protection circuit
  • Over-current protection circuit
  • Thermal shutdown circuit
  • With enable pin (ST pin)
  • BiCDMOS process IC
  • Input pull down resistance

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