TMC2100 DATASHEET (Rev. 1.07 / 2017-MAY-15)
35
14 Absolute Maximum Ratings
The maximum ratings may not be exceeded under any circumstances. Operating the circuit at or near
more than one maximum rating at a time for extended periods shall be avoided by application
design.
Parameter
Symbol
Min
Max
Unit
Supply voltage operating with inductive load (VVS ≥ VVSA)
Supply and bridge voltage max. *)
VSA when different from to VS
I/O supply voltage
digital VCC supply voltage (if not supplied by internal
regulator)
VVS, VVSA
VVMAX
VVSA
VVIO
VVCC
-0.5
49
50
VVS+0.5
5.5
V
V
V
V
V
-0.5
-0.5
-0.5
5.5
Logic input voltage
Maximum current to / from digital pins
and analog low voltage I/Os
VI
IIO
-0.5
VVIO+0.5
+/-10
V
mA
5V regulator output current (internal plus external load)
5V regulator continuous power dissipation (VVM-5V) * I5VOUT P5VOUT
Power bridge repetitive output current
Junction temperature
Storage temperature
I5VOUT
50
1
3.0
150
150
4
mA
W
A
°C
°C
kV
IOx
TJ
TSTG
VESDAP
-50
-55
ESD-Protection for interface pins (Human body model,
HBM)
ESD-Protection for handling (Human body model, HBM)
VESD
1
kV
*) Stray inductivity of GND and VS connections will lead to ringing of the supply voltage when driving
an inductive load. This ringing results from the fast switching slopes of the driver outputs in
combination with reverse recovery of the body diodes of the output driver MOSFETs. Even small trace
inductivities as well as stray inductivity of sense resistors can easily generate a few volts of ringing
leading to temporary voltage overshoot. This should be considered when working near the maximum
voltage.
15 Electrical Characteristics
15.1 Operational Range
Parameter
Symbol
TJ
VVS, VVSA
Min
-40
5.5
Max
125
46
Unit
°C
V
Junction temperature
Supply voltage (using internal +5V regulator)
Supply voltage (internal +5V regulator bridged: VVCC=VVSA=VVS) VVS
I/O supply voltage VVIO
VCC voltage when using optional external source (supplies VVCC
digital logic and charge pump)
4.7
3.00
4.6
5.4
5.25
5.25
V
V
V
RMS motor coil current per coil (value for design guideline) IRMS-QFN36
1.2
1.4
2.0
A
A
A
for QFN36 5x6 package resp. TQFP-48 package
IRMS-TQFP48
Peak output current per motor coil output (sine wave peak) IOx
using external or internal current sensing
Peak output current per motor coil output (sine wave peak) IOx
for short term operation. Limit TJ ≤ 105°C, e.g. for 100ms
short time acceleration phase below 50% duty cycle.
2.5
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