POWER DRIVER FOR STEPPER MOTORS INTEGRATED CIRCUITS TMC260 / TMC260A & TMC261 DATASHEET Universal, cost-effective stepper drivers for two-phase bipolar motors with state-of-the-art features. Integrated MOSFETs for up to 2 A motor currents per coil. With Step/Dir Interface and SPI. APPLICATIONS Textile, Sewing Machines Factory Automation Lab Automation Liquid Handling Medical Office Automation Printer and Scanner CCTV, Security ATM, Cash recycler POS Pumps and Valves Heliostat Controller CNC Machines FEATURES AND BENEFITS Drive Capability up to 2A motor current DESCRIPTION Highest Voltage up to 60V DC (TMC261) or 40V DC (TMC260) *) Th e TMC260*) and TMC261 drivers for two- phase stepper motors offer an industry- Highest Resolution up to 256 microsteps per full step leading feature set, including high- Compact Size 10x10mm QFP-44 package resolution microstepping, sensorless Low Power Dissipation, low RDSON & synchronous mechanical load measurement, load- rectification adaptive power optimization, and low- resonance chopper operation. Standard EMI-optimized programmable slope SPI and STEP/DIR interfaces simplify Protection & Diagnostics overcurrent, short to GND, communication. Integrated power MOSFETs overtemperature & undervoltage handle motor currents up to 2A per coil. Integrated protection and diagnostic stallGuard2 high precision sensorless motor load detection features support robust and reliable coolStep load dependent current control for energy savings operation. High integration, high energy up to 75% efficiency and small form factor enable microPlyer microstep interpolation for increased miniaturized designs with low external smoothness with coarse step inputs. component count for cost-effective and highly competitive solutions. spreadCycle high-precision chopper for best current sine wave form and zero crossing *) TMC260 refers to TMC260 and TMC260A unless otherwise noted. The TMC260A is 100% compatible. BLOCK DIAGRAM +V M VSA / B TMC260 / TMC261 2 Phase Stepper VCC IO Half Bridge 1 OA1 Half Bridge 1 N STEP OA2 S Sine Table x Chopper 4*256 entry DIR OB1 Half Bridge 2 Half Bridge 2 OB2 BRA / B CSN RSA / B coolStep RSENSE RSENSE SCK SPI control, Config & Diags SDI SDO 2 x Current 2 x DAC Protection Comparator stallGuard2 & Diagnostics SG TST TRINAMIC Motion Control GmbH & Co. KG Hamburg, Germany Step MultiplierTMC260/A and TMC261 DATASHEET (Rev. 2.10 / 2016-JUL-14) 2 APPLICATION EXAMPLES: SMALL SIZE BEST PERFORMANCE The TMC260 and the TMC261 score with power density, integrated power MOSFETs, and a versatility that covers a wide spectrum of applications and motor sizes, all while keeping costs down. Extensive support at the chips, board, and software levels enables rapid design cycles and fast time-to-market with competitive products. High energy efficiency from TRINAMICs coolStep technology delivers further cost savings in related systems such as power supplies and cooling. TMCM-6110 FOR UP TO 6 STEPPER MOTORS The TMCM-6110 is a compact stepper motor controller / driver standalone board. It supports up to 6 bipolar stepper motors with up to 1.1A RMS coil current. The TMC260 has been tested successfully for 2A peak (1,4A RMS) on this module. The TMCM-6110 features an embedded microcontroller with USB, CAN and RS485 interfaces for communication. All cooling requirements are satisfied by Layout for up to six stepper motors passive convection cooling. TMC429+TMC26X EVAL EVALUATION & DEVELOPMENT PLATFORM This evaluation board is a development platform for applications based on the TMC260, TMC261, and TMC262. Supply voltages are 8 40V DC (TMC260) and 8 60V DC (TMC261 and TMC262). The board features an embedded microcontroller with USB and RS232 interfaces for communication. The control software provides a user-friendly GUI for setting control Layout for Evaluation parameters and visualizing the dynamic responses of the motors. Motor movements can be controlled through the step/direction interface using inputs from an external source or signals generated by the TMC429 motion controller acting as a step generator. ORDER CODES Size Order code Description 2 TMC260A-PA coolStep driver with internal MOSFETs, up to 40V DC, 10 x 10 mm TQFP-44 (new version with improved MOSFETs) 2 TMC260-PA coolStep driver with internal MOSFETs, up to 40V DC, 10 x 10 mm TQFP-44 2 TMC261-PA coolStep driver with internal MOSFETs, up to 60V DC, 10 x 10 mm TQFP-44 2 TMC429+26x-EVAL Chipset evaluation board for TMC429, TMC260, TMC261, 16 x 10 cm TMC262, and TMC424. www.trinamic.com