POWER DRIVER FOR STEPPER MOTORSINTEGRATED CIRCUITSTMC2590 DATASHEETUniversal, cost-effective stepper driver for two-phase bipolar motors with external MOSFETs to fit different motor sizes. With Step/Dir Interface and SPI and Stand-Alone option.APPLICATIONS Textile, Sewing Machines Factory & Lab Automation 3D printing Liquid Handling Medical Office Automation Printer and Scanner CCTV, Security ATM, Cash recycler, POS Pumps and Valves Heliostat Controller CNC Machines FEATURES AND BENEFITSMotor Current from 1A to 8A using external (N&P) MOSFETs DESCRIPTIONHigh Voltage Range from 5V up to 60V DC operating voltage The TMC2590 driver for two-phase stepper High Resolution up to 256 microsteps per full step motors offers an industry-leading feature Small Size 7x7mm TQFP32-EP package set, including high-resolution microstep- ping, sensorless mechanical load measure- Low Power Dissipation using MOSFET power stage ment, load-adaptive power optimization, High Temperature Tolerance due to low self-heating and low-resonance chopper operation. EMI-optimized slope & current controlled gate drivers Standard SPI™ and STEP/DIR interfaces simplify communication. The TMC2590 uses Protection & Diagnostics short to GND, short to VS / external N- and P-channel MOSFETs for overcurrent, programmable overtemperature & undervoltage motor currents from 1A up to roughly 8A. StallGuard2™ high precision sensorless motor load detection No bootstrapping and charge-pump are re- CoolStep™ load dependent current control saves up to 75% quired. Integrated protection and diag- nostic features support robust and reliable MicroPlyer™ 256 step smoothness with 1/16 step input. operation. High integration, high efficiency SpreadCycle™ high-precision chopper for best current sine and small form factor enable miniaturized wave form and zero crossing designs with low external component Differential Current Sensing for quiet chopper operation count for cost-effective and highly competitive solutions. Interfacing is Resonance Dampening for mid-range velocity compatible to the TMC26x family. BLOCK DIAGRAM+VMTMC2590VCC_IOGate driverHSGate DriverrSTEPeilNpitlSuSine TablexChopperDIRM p4*256 entryBMe StGate driverGate Driver2 Phase StepperST_ALONEStand Alone SPI or stand CSN/CFG1LScoolStep alone SCK/CFG2SPI control, configuration Config & DiagsSDI/CFG3RSSDO2 x CurrentRSRSProtection2 x DACstallGuard2Comparator& DiagnosticsSG_TST TRINAMIC Motion Control GmbH & Co. KG Hamburg, Germany