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TMC2209-LA
2-phase stepper motor driver, 256 µSteps, 2.8A peak, 2.0A RMS, VS = 4.75..29V, STEP/DIR and UART interface, VQFN-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | OB2 | output |
| 2 | ~{EN} | input |
| 3 | GND | power_in |
| 4 | CPO | input |
| 5 | CPI | input |
| 6 | VCP | output |
| 7 | SPREAD | input |
| 8 | 5VOUT | power_out |
| 9 | MS1/AD0 | input |
| 10 | MS2/AD1 | input |
| 11 | DIAG | output |
| 12 | INDEX | output |
| 13 | CLK | input |
| 14 | ~{PD}/UART | bidirectional |
| 15 | VCC_IO | power_in |
| 16 | STEP | input |
| 17 | VREF | passive |
| 18 | GND | passive |
| 19 | DIR | input |
| 20 | STDBY | input |
| 21 | OA2 | output |
| 22 | VS | power_in |
| 23 | BRA | input |
| 24 | OA1 | output |
| 25 | NC | passive |
| 26 | OB1 | output |
| 27 | BRB | input |
| 28 | VS | passive |
| 29 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/VQFN-28-1EP_5x5mm_P0.5mm_EP3.7x3.7mm_ThermalVias
Pad Layout
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1
2
3
4
5
6
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8
9
10
11
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13
14
15
16
17
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26
27
28
29
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29
Pads (50)
| 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 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | smd |
| 29 | smd |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |