TMC2041 DATASHEET (Rev. 1.02 / 2017-MAY-16)
7
2 Pin Assignments
2.1 Package Outline
GND
GND
1
2
36
35
34
33
32
31
30
29
28
27
26
25
CPI
CPO
3
GND
CSN
4
SCK
VCC
5
SDI
5VOUT
GNDA
VSA
TMC 2041-LA
QFN48 7mm x 7mm
0.5 pitch
6
GND
7
VCC_IO
SDO
8
DRV_ENN
STEP1
DIR1
STEP2
DIR2
9
SWIOP
SWION
CLK
10
11
12
SWSEL
Figure 2.1 TMC2041 pin assignments.
2.2 Signal Descriptions
Pin
GND
VCC_IO
VSA
Number Type
Function
Digital ground pin for IO pins and digital circuitry.
3.3V or 5V I/O supply voltage pin for all digital pins.
Analog supply voltage for 5V regulator – typically supplied with
driver supply voltage. An additional 100nF capacitor to GND (GND
plane) is recommended for best performance.
6, 34
7
GND
30
Analog GND. Tie to GND plane.
GNDA
5VOUT
31
32
GND
Output of internal 5V regulator. Attach 2.2µF or larger ceramic
capacitor to GNDA near to pin for best performance. Use to supply
VCC of chip.
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TRINAMIC [ TRINAMIC MOTION CONTROL GMBH & CO. KG. ]
