LV8726TA: Stepper Motor Pre-Driver, PWM, Constant-Current Control, Micro step

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.

Features
  • 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 Stepand 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
Benefits
  • High efficiency drive
  • Variout step mode is selectable
  • Micro step drive is easily controllable
  • It is possible to reduce MCU port
  • Safety design
  • Safety design
  • Safety design
  • Low power consumption with standby mode
Applications
  • Industrial
  • Computing and Peripherals
End Products
  • Textile machine
  • Packing machine
  • Large printer
  • Engraving machine
  • Industrial instrument
Software (1)
Document TitleDocument ID/SizeRevisionRevision Date
LV8726TAGEVK Software (Zip Format)LV8726TAGEVK_SOFTWARE.zip (2744kB)0
Package Drawings (1)
Document TitleDocument ID/SizeRevision
QFP / 48 LEADS, TQFP EP 7x7x1 mm932F-01 (63.7kB)C
Evaluation Board Documents (4)
Document TitleDocument ID/SizeRevisionRevision Date
LV8726TAGEVK Bill Of Materials ROHS CompliantLV8726TAGEVK_BOM_ROHS.pdf (36kB)1
LV8726TAGEVK Gerber Layout Files (Zip Format)LV8726TAGEVK_GERBER.zip (306kB)0
LV8726TAGEVK SchematicLV8726TAGEVK_SCHEMATIC.pdf (196kB)0
LV8726TAGEVK User GuideLV8726TAGEVK_USER_GUIDE.pdf (2392kB)0
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Stepper Motor Pre-Driver, PWM, Constant-Current Control, Micro stepLV8726TA/D (1308kB)0Oct, 2015
Evaluation/Development Tool Information
ProductStatusComplianceShort Description
LV8726TAGEVKActivePb-freeStepper Motor Pre-Driver, PWM, Constant-Current Control Evaluation Kit
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
LV8726TA-NHActivePb-free Halide freeQFP-48 / TQFP-48932F-013Tape and Reel1000$2.371
Specifications
ProductVM Min (V)VM Max (V)VCC Min (V)VCC Max (V)IO Max (A)IO Peak Max (A)Step ResolutionControl TypeFeedback MethodCurrent SenseRegulator OutputFault DetectionFlyback ProtectionRDS(on) Typ (Ω)
LV8726TA-NH9552.75.50.051/32SPIExternal ResistorUVLO
Stepper Motor Pre-Driver, PWM, Constant-Current Control, Micro step (1308kB) LV8726TA
LV8726TAGEVK SOFTWARE LV8726TAGEVK
LV8726TAGEVK BOM ROHS LV8726TAGEVK
LV8726TAGEVK GERBER LV8726TAGEVK
LV8726TAGEVK SCHEMATIC LV8726TAGEVK
LV8726TAGEVK USER GUIDE LV8726TAGEVK
QFP / 48 LEADS, TQFP EP 7x7x1 mm LV8726TA
LV8726TA