Datasheet

TMC2590 DATASHEET (V1.0 / 2019-FEB-22) 6
www.trinamic.com
2 Pin Assignments
2.1 Package Outline
GND
PAD = GND
TMC2590-TA
TQFP-32
7mm x 7mm
1
HA1
2
HA2
3
BMA2
4
BMA1
5
LA1
6
LA2
7
SRA
8
VHS
24
HB1
23
HB2
22
BMB2
21
BMB1
20
LB1
19
LB2
18
SRB
17
5VOUT
9
SDO
10
SDI
11
SCK
12
SRBL
13
CSN
14
ENN
15
CLK
16
TST_MODE
32
STEP
31
DIR
30
VCC_IO
29
SRAL
28
SG_TST
27
ST_ALONE
26
VS
25
Figure 2.1 TMC2590 pin assignments
2.2 Signal Descriptions
Pin
Number
Type
Function
GND
1
Digital and analog low power GND. Connect both to PCB GND
plane.
PAD
HA1
2
O (VS)
High side P-channel driver output. Becomes driven to VHS to switch
on MOSFET.
HA2
3
HB1
23
HB2
22
BMA1
5
I (VS)
Sensing input for bridge outputs. Used for short detection. Connect
to center of the respective half-bridge.
BMA2
4
BMB1
20
BMB2
21
LA1
6
O 5V
Low side MOSFET driver output. Becomes driven to 5VOUT to switch