Datasheet

TMC2041 DATASHEET (Rev. 1.02 / 2017-MAY-16) 9
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Pin
Number
Type
Function
O2A1
14
O (VS)
Motor 2 coil A output 1
BR2A
15
Sense resistor connection for motor 2 coil A. Place sense resistor to
GND near pin.
O2A2
16
O (VS)
Motor 2 coil A output 2
VS
17, 19
Motor supply voltage. Provide filtering capacity near pin with
shortest loop to nearest GNDP pin (respectively via GND plane).
GNDP
18
GND
Power GND. Connect to GND plane near pin.
O2B1
20
O (VS)
Motor 2 coil B output 1
BR2B
21
Sense resistor connection for motor 2 coil B. Place sense resistor to
GND near pin.
O2B2
22
O (VS)
Motor 2 coil B output 2
O1B2
39
O (VS)
Motor 1 coil B output 2
BR1B
40
Sense resistor connection for motor 1 coil B. Place sense resistor to
GND near pin.
O1B1
41
O (VS)
Motor 1 coil B output 1
VS
42, 44
Motor supply voltage. Provide filtering capacity near pin with
shortest loop to nearest GNDP pin (respectively via GND plane).
GNDP
43
GND
Power GND. Connect to GND plane near pin.
O1A2
45
O (VS)
Motor 1 coil A output 2
BR1A
46
Sense resistor connection for motor 1 coil A. Place sense resistor to
GND near pin.
O1A1
47
O (VS)
Motor 1 coil A output 1
Table 2.4 Power driver pins