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| GATEDRIV E R I N T E G R A T E D C I R C U ITS TM C6 03 Thre e Phase Motor Dr iver with BLDC Ba ck EMF C ommutation H allFXTM a nd Current Sensing M A IN CH A R AC T ER IS T IC S INFO The TMC603 is a three phase BLDC motor driver IC for highly compact and energy efficient drive solutions. Control algorithms previously only found in much more complex servo drives can now be realized with a minimum of external components. The TMC603 directly drives 6 external N-channel MOSFETs for motor currents up to 20A and up to 50V. It integrates current measurement without the need for high current sense resistors, and the sensorless commutation circuitry HallFXTM. Its integrated support for sine commutation as well as for back EMF sensing and commutation saves cost and allows for maximum drive efficiency. Depending on the desired commutation scheme and the bus interface requirements, the TMC603 forms a complete motor driver system in combination with an external 8 bit processor or with a more powerful 32 bit processor. Protection and diagnostic features as well as a step down switching regulator further reduce system cost and increase reliability. INTERFACE ELECTRICAL DATA * low power dissipation * integrated phase current measurement via RDSon of power MOSFETs * sensorless back EMF commutation hallFXTM (hall sensor like signals - phase shift free) * integrated break-before-make logic: no special microcontroller PWM hardware required * integrated overcurrent / short to GND and undervoltage protection and diagnostics * integrated step down switching regulator up to 500mA / 300kHz * up to 20A motor current * 9V to 50V operating voltage * EMV optimized current controlled gate drivers - up to 150mA * internal QGD protection: Supports latest generation of power MOSFETs * 3.3V or 5V interface * QFN52 package 8 x 8 mm * RoHS compliant The TMC603 also supports control of three phase stepper motors PACKAGE as well as two phase stepper motors using two devices. 10 mm OR DE R C O DE D E S C RI P T I ON TMC603-LA Related product: TMC603-Eval Driver for external 20A MOSFETs, QFN52 package Evaluation board for TMC603 www.trinamic.com - for detailed information and datasheets 96 |
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