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TMC2100-LA Datasheet(PDF) 3 Page - TRINAMIC Motion Control GmbH & Co. KG. |
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TMC2100-LA Datasheet(HTML) 3 Page - TRINAMIC Motion Control GmbH & Co. KG. |
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3 / 46 page  TMC2100 DATASHEET (Rev. 1.04 / 2016-APR-22) 3 www.trinamic.com Table of Contents 1 KEY CONCEPTS ...................................................4 1.1 SOFTWARE ......................................................5 1.2 STEP/DIR INTERFACE ....................................5 1.3 STANDSTILL CURRENT REDUCTION ..................5 1.4 DIAGNOSTICS AND PROTECTION .....................5 2 PIN ASSIGNMENTS...........................................6 2.1 PACKAGE OUTLINE ..........................................6 2.2 SIGNAL DESCRIPTIONS ...................................7 3 OPERATION.........................................................8 3.1 CFG PIN CONFIGURATION..............................8 4 SUGGESTIONS FOR LAYOUT........................11 4.1 BASIC HINTS FOR POWER SUPPLY................11 4.2 REDUCED NUMBER OF COMPONENTS.............11 4.3 INTERNAL CURRENT SENSING........................11 4.4 EXTERNAL 5V POWER SUPPLY ......................12 4.5 5V ONLY SUPPLY..........................................14 4.6 HIGH MOTOR CURRENT.................................14 4.7 DRIVER PROTECTION AND EME CIRCUITRY...16 5 STEALTHCHOP™ ..............................................17 5.1 CURRENT REGULATION ..................................17 5.2 AUTOMATIC SCALING....................................17 5.3 ACCELERATION ..............................................19 5.4 SWITCHING BETWEEN STEALTHCHOP AND SPREAD CYCLE .............................................................20 6 SPREADCYCLE...................................................21 6.1 SPREAD CYCLE CHOPPER ................................22 7 ANALOG CURRENT CONTROL AIN .............24 8 CURRENT SETTING..........................................25 8.1 SENSE RESISTORS .........................................26 9 USING RDSON TO ELIMINATE SENSE RESISTORS.................................................................27 9.1 LIMITATIONS OF RDSON SENSING ...............27 9.2 DIMENSIONING OF REFERENCE RESISTOR......27 10 DRIVER DIAGNOSTIC AND PROTECTION .........................................................................29 10.1 TEMPERATURE MEASUREMENT .......................29 10.2 SHORT TO GND PROTECTION.......................29 10.3 EMERGENCY STOP .........................................29 11 STEP/DIR INTERFACE................................30 11.1 TIMING.........................................................30 11.2 CHANGING RESOLUTION ...............................31 11.3 MICRO PLYER STEP INTERPOLATOR AND STAND STILL DETECTION.......................................................32 11.4 INDEX OUTPUT ...........................................33 12 EXTERNAL RESET ........................................34 13 CLOCK OSCILLATOR AND INPUT...........34 13.1 CONSIDERATIONS ON THE FREQUENCY..........34 14 ABSOLUTE MAXIMUM RATINGS ............35 15 ELECTRICAL CHARACTERISTICS ............35 15.1 OPERATIONAL RANGE ...................................35 15.2 DC AND TIMING CHARACTERISTICS..............36 15.3 THERMAL CHARACTERISTICS..........................39 16 LAYOUT CONSIDERATIONS.....................40 16.1 EXPOSED DIE PAD........................................40 16.2 WIRING GND ..............................................40 16.3 SUPPLY FILTERING........................................40 16.4 LAYOUT EXAMPLE: TMC2100-BOB..............41 17 PACKAGE MECHANICAL DATA................43 17.1 DIMENSIONAL DRAWINGS QFN36 5X6 .......43 17.2 PACKAGE CODES...........................................44 18 DISCLAIMER.................................................45 19 ESD SENSITIVE DEVICE............................45 20 TABLE OF FIGURES ....................................46 21 REVISION HISTORY...................................46 22 REFERENCES .................................................46 |
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