TMC5161 DATASHEET (Rev. 1.01 / 2018-NOV-20)
116
27 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
Supply and bridge voltage short time peak
VSA when different from VS
Supply voltage V12
Peak voltages on Cxx bootstrap pins relative to BM
I/O supply voltage on VCC_IO
VVS, VVSA
VVSMAX
VVSAMAX
V12VOUT
VCxBMx
VVIO
VVCC
VI
IIO
-0.5
55
60
60
14
16
V
V
V
V
V
V
V
V
mA
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
5.5
5.5
VVIO+0.5
+/-500
digital VCC supply voltage (normally supplied by 5VOUT)
Logic input voltage
Maximum current to / from digital pins
and analog low voltage I/Os (short time peak current)
Maximum steady state output current per MOSFET (RMS)
Peak MOSFET current (duty cycle thermally limited)
5V regulator output current (internal plus external load)
5
19
30
1
A
A
mA
W
I5VOUT
5V regulator continuous power dissipation (VVSA-5V) * I5VOUT P5VOUT
12V regulator output current (internal plus external load)
12V regulator cont. power dissipation (VVSA-12V) * I12VOUT
Junction temperature
Storage temperature
ESD-Protection for interface pins (Human body model,
HBM)
I12VOUT
P12VOUT
TJ
TSTG
VESDAP
20
0.5
150
150
4
mA
W
°C
°C
kV
-50
-55
ESD-Protection for handling (Human body model, HBM)
VESD
300
V
*) Stray inductivity of power routing 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.
28 Electrical Characteristics
28.1 Operational Range
Parameter
Junction temperature
Supply voltage for motor and bridge
Symbol
TJ
Min
-40
10
Max
125
40
Unit
°C
V
(max. 30V nominal supply voltage recommended for design VVS
guideline due to air gap distance on PCB / package)
Supply voltage VSA
Supply voltage for VSA and 12OUT (internal gate voltage V12VOUT
VVSA
10
10
40
13
V
V
,
regulator bridged)
Lower Supply voltage (reduced spec, short to GND
protection not functional)
VVSA
VVS
8
V
I/O supply voltage on VCC_IO
RMS motor coil current (short time)
RMS motor coil current (continuous rating)
Standstill current setting (RMS) for standstill at any ICOIL
microstep position (i.e. up to 1.41 times coil current)
VVIO
ICOIL
ICOIL
3.00
5.25
4
3.5
3
V
A
A
A
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