Datasheet

TMC2300 DATASHEET (Rev. 1.02 / 2019-NOV-06) 10
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Pin
Number
Type
Function
1.8VOUT
13
Output of internal 1.8V regulator. Attach 100nF ceramic capacitor to
GND near to pin for best performance. Provide the shortest
possible loop to the GND pad.
GND
14
GND. Connect to GND plane near pin.
OB2
15
Motor coil B output 2
BRB
16
Sense resistor connection for coil B. Place sense resistor to GND
near pin.
OB1
17
Motor coil B output 1
VS
18
Motor supply voltage. Provide filtering capacity >10µF near pin with
shortest possible loop to GND pad.
OA1
19
Motor coil A output 1
BRA
20
Sense resistor connection for coil A. Place sense resistor to GND
near pin.
Exposed
die pad
-
Connect the exposed die pad to a GND plane. Provide as many as
possible vias for heat transfer to GND plane.