Datasheet

TMC2041 DATASHEET (Rev. 1.02 / 2017-MAY-16) 14
www.trinamic.com
Full Bridge A
Full Bridge B
stepper
motor
N
S
OA1
OA2
OB1
OB2
Driver
470pF
100V
470pF
100V
470pF
100V
470pF
100V
Full Bridge A
Full Bridge B
stepper
motor
N
S
OA1
OA2
OB1
OB2
Driver
470pF
100V
470pF
100V
50Ohm @
100MHz
50Ohm @
100MHz
50Ohm @
100MHz
50Ohm @
100MHz
V1
V2
Fit varistors to supply voltage
rating. SMD inductivities
conduct full motor coil
current.
470pF
100V
470pF
100V
Varistors V1 and V2 protect
against inductive motor coil
overvoltage.
V1A, V1B, V2A, V2B:
Optional position for varistors
in case of heavy ESD events.
BRB
R
SA
BRA
100nF
16V
R
SB
100nF
16V
V1A
V1B
V2A
V2B
Figure 3.6 Simple ESD enhancement and more elaborate motor output protection