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