The world's leading motor and motion control developer TRINAMIC has recently released a new stepper motor driver chip with a drive current of up to 4 amps, enriching its existing microstep control stepper motor driver product line. The new TMC2660 integrates a pre-driver and power MOSFET tube. The pre-drive part can calculate the motor coil current in real time, and the power MOSFET amplifies the current to drive the motor.
The chip uses a multi-chip module packaging technology, which encapsulates the driver and amplifier in a single chip to achieve the lowest power consumption. It is currently used for 4 amp stepper motor drivers. The TMC2660 has an Rds of 65 milliohms and consumes only 2.8 watts at 4 amps, which is an 85% reduction from the most competitive solution before. The low energy consumption of the new chip eliminates the need for heat sinks, realizes a highly integrated panel design, reduces the number of components and reduces costs.
Michael Randt, founder and CEO of TRINAMIC, said: "Our two popular stepper motor drivers, TMC260 and TMC261, have been widely adopted by manufacturers in many countries. Customers want us to expand our product line to support higher current levels, so We launched this TMC2660. "
With a peak output current of 4 amps, the TMC2660 can drive large-sized motors like NEMA23. The TMC2660 is compatible with the popular TMC260 / 261 pin software. TMC260 / 261 is generally used to support the operation of NEMA17 motors.
Stepper motors are a cost-effective solution for applications that require low speed, high torque, and precise control of the motor's rotating shaft. It is widely used in printers, scanners, robotics, medical, and scientific instruments. According to TRINAMIC estimates, about 1 billion stepper motors are shipped to all parts of the world every year.
Ye Hong, senior product manager of TRINAMIC authorized agent Shijian, said: "With the increasing demand for the global stepper motor market, the Chinese market has also entered a stage of rapid development. TRINAMIC timely grasped market trends and launched TMC2660, Support for higher current levels while achieving the lowest energy consumption, providing customers with different needs with more choices. "
TMC2660 will provide samples in August 2013, mass production in the fourth quarter of 2013, 44-pin PQFP package. TRINAMIC provides a complete TMC2660 design package, including an evaluation board and Arduino daughter card (shield), to accelerate customer product development and prototype research.
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