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TMC2224-LA
Standalone driver for two-phase bipolar stepper motor, 2A, 4.75… 36V, UART, internal FETs, QFN28
Schematic Symbol
Pin Configuration (28 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | MS2 | input |
| 2 | INDEX | output |
| 3 | GND | power_in |
| 4 | CPO | passive |
| 5 | CPI | passive |
| 6 | VCP | passive |
| 7 | VS | power_in |
| 8 | OA2 | output |
| 9 | BRA | passive |
| 10 | OA1 | output |
| 11 | OB1 | output |
| 12 | BRB | passive |
| 13 | OB2 | output |
| 14 | VS | passive |
| 15 | VREF | input |
| 16 | TEST | input |
| 17 | GND | passive |
| 18 | 5VOUT | power_out |
| 19 | VCC_IO | power_in |
| 20 | PDN_UART | bidirectional |
| 21 | DIAG | output |
| 22 | SPREAD | input |
| 23 | DIR | input |
| 24 | ENN | input |
| 25 | STEP | input |
| 26 | NC | no_connect |
| 27 | CLK | input |
| 28 | MS1 | input |
Footprint
ConfirmedPackage_DFN_QFN/TQFN-32-1EP_5x5mm_P0.5mm_EP3.4x3.4mm_ThermalVias
Pad Layout
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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19
20
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22
23
24
25
26
27
28
29
30
31
32
33
33
33
33
33
33
33
33
33
33
33
Pads (47)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | thru hole |
| 33 | thru hole |
| 33 | thru hole |
| 33 | thru hole |
| 33 | thru hole |
| 33 | smd |
| 33 | smd |
| 33 | thru hole |
| 33 | thru hole |
| 33 | thru hole |
| 33 | thru hole |