POWER DRIVER FOR STEPPER MOTORS INTEGRATED CIRCUITS TMC5031 DATASHEET Dual, cost-effective controller and driver for up to two 2-phase bipolar stepper motors. Integrated motion controller with SPI interface. APPLICATIONS CCTV, Security Antenna Positioning Heliostat Controller Battery powered applications Office Automation ATM, Cash recycler, POS Lab Automation Liquid Handling Medical Printer and Scanner Pumps and Valves DESCRIPTION FEATURES AND BENEFITS The TMC5031 is a low cost motion controller 2-phase stepper motors and driver IC for up to two stepper motors. Drive Capability up to 2 x 1.1A coil current It combines two flexible ramp motion Motion Controller with sixPoint ramp controllers with energy efficient stepper Voltage Range 4.75 16V DC motor drivers. The drivers support two-phase SPI Interface stepper motors and offer an industry-leading 2x Ref.-Switch input per axis feature set, including high-resolution Highest Resolution 256 microsteps per full step microstepping, sensorless mechanical load measurement, load-adaptive power optimi- Full Protection & Diagnostics zation, and low-resonance chopper operation. stallGuard 2 high precision sensorless motor load detection All features are controlled by a standard c ool Step load dependent current control for energy savings up SPI interface. Integrated protection and to 75% diagnostic features support robust and spr eadCyc l e high-precision chopper for best current sine wave reliable operation. High integration, high form and zero crossing with additional chopSync2 energy efficiency and small form factor Compact Size 7x7mm QFN48 package enable miniaturized designs with low external component count for cost-effective and highly competitive solutions. BLOCK DIAGRAM 2x Ref. Switches TMC5031 Power Supply Motor 1 Programmable MOTION CONTROLLER Charge 256 Step with Linear 6 Point Sequencer Pump DRIVER 1 RAMP Generator Protection & Diagnostics SPI Protection Motor 2 & Diagnostics Programmable DRIVER 2 MOTION CONTROLLER 256 Step with Linear 6 Point Sequencer RAMP Generator stallGuard2 coolStep 2x Ref. Switches TRINAMIC Motion Control GmbH & Co. KG Hamburg, Germany TMC5031 DATASHEET (Rev. 1.07 / 2013-APR-30) 2 APPLICATION EXAMPLES: HIGH FLEXIBILITY MULTIPURPOSE USE The TMC5031 scores with power density, complete motion controlling features and integrated power stages. It offers a versatility that covers a wide spectrum of applications from battery systems up to embedded applications with 1.1A current per motor. The small form factor keeps costs down and allows for miniaturized layouts. Extensive support at the chip, board, and software levels enables rapid design cycles and fast time-to-market with competitive products. High energy efficiency and reliability from TRINAMICs coolStep technology deliver cost savings in related systems such as power supplies and cooling. MINIATURIZED DESIGN FOR UP TO TWO STEPPER MOTORS Two reference switch Ref. Switches inputs can be used for each motor. A single CPU SPI High-Level controls the whole M CPU TMC5031 Interface system, which is highly economical and space saving. Ref. Switches M SPI High-Level CPU TMC5031 Interface M Ref. Switches ORDER CODES Order code Description Size 2 TMC5031-LA Dual stallGuard2 and coolStep controller/driver, QFN48 7 x 7 mm www.trinamic.com