【業務咨詢】
Sales@anstek.com.tw

【技術支援】
Tech@anstek.com.tw

【股東信箱】
spokesman@anstek.com.tw

產品介紹

TMC261_Energy Efficient Microstep Driver
The TMC261 is the first energy efficient high current high precision microstepping driver IC for bipolar stepper motors. The unique high resolution sensorless load detection stallGuard2™ is used to for the world’s first integrated load dependent current control feature called coolStep™. The ability to read out the load and detect an overload makes the TMC260 an optimum choice for drives where a high reliability is desired at a low cost. The new patented spreadCycle PWM mixed decay chopper scheme ensures best zero crossing performance as well as high speed operation. The TMC260 can be driven with Step & Direction signals as well as by serial SPI™ interface. Using the microPlyer allows to operate the motor with highest 256 µStep smoothness reducing the input frequency to 16 µSteps. A full set of protection and diagnostic features makes this device very rugged. It directly drives stepper motors with up to 2A. This way it reaches highest energy efficiency and allows driving of a high motor current without cooling measures even at high environment temperatures.
 

Specifications

Main characteristics

► 2-phase bipolar stepper motor driver
stallGuard2™ sensorless load detection
coolStep™ load dependent current control
► save up to 80% energy
spreadCycle hysteresis PWM chopper
► best current zero crossing performance
► best sine wave form
► 256 µSteps/fullstep (51200 pos/rev.) with a standard 200 step motor
microPlyer 16-to-256 µStep multiplyer
► full protection and diagnostics
► lowest power dissipation
► programmable slope control for low EME
► standby and shutdown mode stall / load detection output
► Low power consumption via low RDS-ON power stage
 

Interface

► Step & Direction
► easy-to-use SPI™ (20bit)
 

Electrical Data

► up to 2A coil current (peak)
► 9V to 60V motor supply
► 3.3V or 5V operation for digital part

Package

► QFP44 10x10 mm² package
► RoHS compliant


Order Code Description

TMC261-PA tray with 160 pcs.
TMC261-PA-X single pack, X-tra pack, 1 pc.
TMC429+TMC26x-EVAL Evaluation board with TMC262 with external MOSFET, RS232, USB

Pricing

MSRP* (manufacturer's suggested retail price)
► EUR 5.61 @ 1k pcs.
► EUR 3.75 @ 10k pcs.
* best price: one shipment, EXW Europe, payment 14 days net


Related product

TMC429+TMC26x-EVAL


Click to view more