TMC2100 DATASHEET (Rev. 1.07 / 2017-MAY-15)
3
Table of Contents
10.1 TEMPERATURE MEASUREMENT.......................28
10.2 SHORT TO GND PROTECTION.......................28
10.3 EMERGENCY STOP.........................................28
10.4 DIAGNOSTIC OUTPUT ...................................28
1
KEY CONCEPTS...................................................4
1.1
SOFTWARE......................................................5
STEP/DIR INTERFACE....................................5
STANDSTILL CURRENT REDUCTION..................5
DIAGNOSTICS AND PROTECTION.....................5
1.2
1.3
1.4
11
STEP/DIR INTERFACE................................30
11.1 TIMING.........................................................30
11.2 CHANGING RESOLUTION...............................31
11.3 MICROPLYER STEP INTERPOLATOR AND STAND
STILL DETECTION.......................................................32
11.4 INDEX OUTPUT ...........................................33
2
PIN ASSIGNMENTS...........................................6
2.1
2.2
PACKAGE OUTLINE..........................................6
SIGNAL DESCRIPTIONS ...................................7
3
4
OPERATION.........................................................8
12
EXTERNAL RESET ........................................34
CLOCK OSCILLATOR AND INPUT...........34
13.1 CONSIDERATIONS ON THE FREQUENCY..........34
ABSOLUTE MAXIMUM RATINGS............35
ELECTRICAL CHARACTERISTICS ............35
3.1
CFG PIN CONFIGURATION..............................8
13
SUGGESTIONS FOR LAYOUT........................11
4.1
BASIC HINTS FOR POWER SUPPLY................11
REDUCED NUMBER OF COMPONENTS.............11
INTERNAL CURRENT SENSING........................11
EXTERNAL 5V POWER SUPPLY ......................12
5V ONLY SUPPLY..........................................13
HIGH MOTOR CURRENT.................................14
DRIVER PROTECTION AND EME CIRCUITRY...15
4.2
4.3
4.4
4.5
4.6
4.7
14
15
15.1 OPERATIONAL RANGE...................................35
15.2 DC AND TIMING CHARACTERISTICS..............36
15.3 THERMAL CHARACTERISTICS..........................39
5
6
STEALTHCHOP™..............................................16
16
LAYOUT CONSIDERATIONS.....................40
5.1
CURRENT REGULATION..................................16
AUTOMATIC SCALING....................................16
ACCELERATION..............................................18
SWITCHING BETWEEN STEALTHCHOP AND
16.1 EXPOSED DIE PAD........................................40
16.2 WIRING GND..............................................40
16.3 SUPPLY FILTERING........................................40
16.4 LAYOUT EXAMPLE: TMC2100-BOB..............41
5.2
5.3
5.4
SPREADCYCLE.............................................................19
17
PACKAGE MECHANICAL DATA................43
SPREADCYCLE...................................................20
17.1 DIMENSIONAL DRAWINGS QFN36 5X6.......43
17.2 DIMENSIONAL DRAWINGS TQFP-EP48.......45
17.3 PACKAGE CODES...........................................46
6.1
SPREADCYCLE CHOPPER ................................21
7
8
SELECTING SENSE RESISTORS....................23
MOTOR CURRENT CONTROL ........................24
18
19
20
21
22
DISCLAIMER.................................................47
ESD SENSITIVE DEVICE............................47
TABLE OF FIGURES....................................48
REVISION HISTORY...................................48
REFERENCES .................................................48
8.1
ANALOG CURRENT SCALING AIN..................24
9
INTERNAL SENSE RESISTORS......................26
10
DRIVER DIAGNOSTIC AND PROTECTION
.........................................................................28
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