Datasheet

TMC2100 DATASHEET (Rev. 1.07 / 2017-MAY-15) 48
www.trinamic.com
20 Table of Figures
FIGURE 1.1 TMC2100 STANDALONE DRIVER APPLICATION DIAGRAM ......................................................................................... 4
FIGURE 1.2 STANDSTILL CURRENT REDUCTION ............................................................................................................................ 5
FIGURE 2.1 TMC2100-LA PACKAGE AND PINNING QFN-36 (5X6MM²) ..................................................................................... 6
FIGURE 2.2 TMC2100-TA PACKAGE AND PINNING TQFP-48 (9X9MM² WITH LEADS) ............................................................... 6
FIGURE 3.1 STANDALONE OPERATION EXAMPLE CIRCUIT ............................................................................................................. 8
FIGURE 3.2 TMC2100 EXAMPLE CONFIGURATION FOR STEALTHCHOP ....................................................................................... 10
FIGURE 4.1 REDUCED NUMBER OF FILTERING COMPONENTS ...................................................................................................... 11
FIGURE 4.2 RDSON BASED SENSING ELIMINATES HIGH CURRENT SENSE RESISTORS .................................................................. 12
FIGURE 4.3 USING AN EXTERNAL 5V SUPPLY FOR DIGITAL CIRCUITRY OF DRIVER ..................................................................... 12
FIGURE 4.4 USING AN EXTERNAL 5V SUPPLY TO BYPASS INTERNAL REGULATOR........................................................................ 13
FIGURE 4.5 5V ONLY OPERATION .............................................................................................................................................. 13
FIGURE 4.6 DERATING OF MAXIMUM SINE WAVE PEAK CURRENT AT INCREASED DIE TEMPERATURE ........................................... 14
FIGURE 4.7 SIMPLE ESD ENHANCEMENT AND MORE ELABORATE MOTOR OUTPUT PROTECTION .................................................. 15
FIGURE 5.1 MOTOR COIL SINE WAVE CURRENT WITH STEALTHCHOP (MEASURED WITH CURRENT PROBE) .................................. 16
FIGURE 5.2 SCOPE SHOT: CURRENT CAN FOLLOW ON ACCELERATION PHASE .............................................................................. 17
FIGURE 5.3 CURRENT VS. VELOCITY DIAGRAM ........................................................................................................................... 17
FIGURE 5.4 CURRENT REGULATION CANNOT FOLLOW DURING HIGH ACCELERATION PHASE ........................................................ 19
FIGURE 6.1 CHOPPER PHASES ................................................................................................................................................... 20
FIGURE 6.2 NO LEDGES IN CURRENT WAVE WITH SUFFICIENT HYSTERESIS (MAGENTA: CURRENT A, YELLOW & BLUE: SENSE
RESISTOR VOLTAGES A AND B) ......................................................................................................................................... 21
FIGURE 6.3 SPREADCYCLE CHOPPER SCHEME SHOWING COIL CURRENT DURING A CHOPPER CYCLE ............................................ 22
FIGURE 7.1 SCALING THE MOTOR CURRENT USING THE ANALOG INPUT...................................................................................... 25
FIGURE 10.1 ERROR AND INDEX OUTPUT .................................................................................................................................. 29
FIGURE 11.1 STEP AND DIR TIMING, INPUT PIN FILTER ......................................................................................................... 30
FIGURE 11.2 MICROPLYER MICROSTEP INTERPOLATION WITH RISING STEP FREQUENCY (EXAMPLE: 16 TO 256) ...................... 32
FIGURE 11.3 INDEX SIGNAL AT POSITIVE ZERO TRANSITION OF THE COIL A SINE CURVE .......................................................... 33
FIGURE 16.1 TMC2100-BOB AS LAYOUT EXAMPLE .................................................................................................................. 42
FIGURE 17.1 DIMENSIONAL DRAWINGS QFN 5X6 .................................................................................................................... 43
FIGURE 17.2 DIMENSIONAL DRAWINGS TQFP-EP48 ............................................................................................................... 45
21 Revision History
Version
Date
Author
BD= Bernhard Dwersteg
SD= Sonja Dwersteg
Description
V0.90
2014-OKT-30
SD
First complete version
V1.00
2014-NOV-26
BD
Corrected package dimensions and motor current table
V1.04
2016-APR-22
BD
More details on: stealthChop lower current limit
Corrected: effective stealthChop PWM frequency is 2*pin frequency,
5V+-5%, ESD schematic w. varistors instead of snubber
V1.05
2016-JUL-25
BD
Corrected half step table in chapter 11.2, rewording for clarity
V1.06
2016-NOV-18
BD
Added –TA package, Changed order / rewording of chapter 7-9.
V1.07
2017-MAY-15
BD
Corrected example 1 – drive CFG1 to GND / open
Table 21.1 Document Revisions
22 References
[TMC2100-EVAL] TMC2100-EVAL Manual
[AN001] Trinamic Application Note 001 - Parameterization of spreadCycle™, www.trinamic.com
Calculation sheet
TMC5130_TMC2130_TMC2100_Calculations.xlsx