Datasheet

TMC2130 DATASHEET (Rev. 1.09 / 2017-MAY-15) 102
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33 Table of Figures
FIGURE 1.1 TMC2130 STEP/DIR APPLICATION DIAGRAM ......................................................................................................... 5
FIGURE 1.2 TMC2130 STANDALONE DRIVER APPLICATION DIAGRAM ......................................................................................... 6
FIGURE 1.3 ENERGY EFFICIENCY WITH COOLSTEP (EXAMPLE) ...................................................................................................... 8
FIGURE 2.1 TMC2130-LA PACKAGE AND PINNING QFN36 (5X6MM² BODY) ........................................................................... 10
FIGURE 2.2 TMC2130-TA PACKAGE AND PINNING TQFP-EP 48-EP (7X7MM² BODY, 9X9MM² WITH LEADS) ......................... 10
FIGURE 3.1 STANDARD APPLICATION CIRCUIT ........................................................................................................................... 13
FIGURE 3.2 REDUCED NUMBER OF FILTERING COMPONENTS ...................................................................................................... 14
FIGURE 3.3 RDSON BASED SENSING ELIMINATES HIGH CURRENT SENSE RESISTORS .................................................................. 14
FIGURE 3.4 USING AN EXTERNAL 5V SUPPLY FOR DIGITAL CIRCUITRY OF DRIVER (DIFFERENT OPTIONS) .................................. 15
FIGURE 3.5 USING AN EXTERNAL 5V SUPPLY TO BYPASS INTERNAL REGULATOR........................................................................ 16
FIGURE 3.6 EXAMPLES FOR SIMPLE PRE-REGULATORS ................................................................................................................ 16
FIGURE 3.7 5V ONLY OPERATION .............................................................................................................................................. 17
FIGURE 3.8 DERATING OF MAXIMUM SINE WAVE PEAK CURRENT AT INCREASED DIE TEMPERATURE ........................................... 18
FIGURE 3.9 SCHOTTKY DIODES REDUCE POWER DISSIPATION AT HIGH PEAK CURRENTS UP TO 2A (2.5A) ................................ 19
FIGURE 3.10 SIMPLE ESD ENHANCEMENT AND MORE ELABORATE MOTOR OUTPUT PROTECTION ................................................ 20
FIGURE 4.1 SPI TIMING ............................................................................................................................................................ 23
FIGURE 6.1 MOTOR COIL SINE WAVE CURRENT WITH STEALTHCHOP (MEASURED WITH CURRENT PROBE) .................................. 39
FIGURE 6.2 SCOPE SHOT: GOOD SETTING FOR PWM_GRAD .................................................................................................... 40
FIGURE 6.3 SCOPE SHOT: TOO SMALL SETTING FOR PWM_GRAD ............................................................................................ 40
FIGURE 6.4 GOOD AND TOO SMALL SETTING FOR PWM_GRAD .............................................................................................. 41
FIGURE 6.5 VELOCITY BASED PWM SCALING (PWM_AUTOSCALE=0) ......................................................................................... 43
FIGURE 7.1 CHOPPER PHASES ................................................................................................................................................... 47
FIGURE 7.2 NO LEDGES IN CURRENT WAVE WITH SUFFICIENT HYSTERESIS (MAGENTA: CURRENT A, YELLOW & BLUE: SENSE
RESISTOR VOLTAGES A AND B) ......................................................................................................................................... 49
FIGURE 7.3 SPREADCYCLE CHOPPER SCHEME SHOWING COIL CURRENT DURING A CHOPPER CYCLE ............................................ 50
FIGURE 7.4 CLASSIC CONST. OFF TIME CHOPPER WITH OFFSET SHOWING COIL CURRENT .......................................................... 51
FIGURE 7.5 ZERO CROSSING WITH CLASSIC CHOPPER AND CORRECTION USING SINE WAVE OFFSET .......................................... 51
FIGURE 8.1 SCALING THE MOTOR CURRENT USING THE ANALOG INPUT...................................................................................... 54
FIGURE 11.1 CHOICE OF VELOCITY DEPENDENT MODES ............................................................................................................. 59
FIGURE 14.1 FUNCTION PRINCIPLE OF STALLGUARD2 ............................................................................................................... 62
FIGURE 14.2 EXAMPLE: OPTIMUM SGT SETTING AND STALLGUARD2 READING WITH AN EXAMPLE MOTOR ................................ 64
FIGURE 15.1 COOLSTEP ADAPTS MOTOR CURRENT TO THE LOAD ............................................................................................... 67
FIGURE 16.1 STEP AND DIR TIMING, INPUT PIN FILTER ......................................................................................................... 69
FIGURE 16.2 MICROPLYER MICROSTEP INTERPOLATION WITH RISING STEP FREQUENCY (EXAMPLE: 16 TO 256) ...................... 71
FIGURE 17.1 DIAG OUTPUTS IN STEP/DIR MODE .................................................................................................................. 72
FIGURE 18.1 DCSTEP EXTENDED APPLICATION OPERATION AREA ............................................................................................... 73
FIGURE 18.2 VELOCITY PROFILE WITH IMPACT BY OVERLOAD SITUATION (EXAMPLE) ................................................................ 74
FIGURE 18.3 MOTOR MOVING SLOWER THAN STEP INPUT DUE TO LIGHT OVERLOAD. LOSTSTEPS INCREMENTED .................. 75
FIGURE 18.4 FULL SIGNAL INTERCONNECTION FOR DCSTEP ...................................................................................................... 76
FIGURE 18.5 DCO INTERFACE TO MOTION CONTROLLER – STEP GENERATOR STOPS WHEN DCO IS ASSERTED .......................... 76
FIGURE 19.1 LUT PROGRAMMING EXAMPLE .............................................................................................................................. 78
FIGURE 22.1 CURRENT SETTING AND FIRST STEPS WITH STEALTHCHOP..................................................................................... 81
FIGURE 22.2 TUNING STEALTHCHOP AND SPREADCYCLE ........................................................................................................... 82
FIGURE 22.3 ENABLING COOLSTEP (ONLY IN COMBINATION WITH SPREADCYCLE) .................................................................... 83
FIGURE 24.1 STANDALONE OPERATION WITH TMC2130 (PINS SHOWN WITH THEIR STANDALONE MODE NAMES).................... 85
FIGURE 29.1 LAYOUT EXAMPLE ................................................................................................................................................. 96
FIGURE 30.1 DIMENSIONAL DRAWINGS QFN 5X6 .................................................................................................................... 97
FIGURE 30.2 DIMENSIONAL DRAWINGS TQFP-EP48 ............................................................................................................... 99