component
TMC429-PI24
Public Made by Adomby adom
TRINAMIC Motion Control GmbH Motor Driver ICs, SOP-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "tmc429-pi24",
"version": "0.1.0",
"type": "component",
"description": "TRINAMIC Motion Control GmbH Motor Driver ICs, SOP-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management ics",
"tmc429-pi24",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tmc429-pi24.kicad_sym",
"tmc429-pi24.kicad_mod",
"tmc429-pi24.glb",
"tmc429-pi24.step",
"tmc429-pi24.lbr",
"docs/hero.png",
"docs/tmc429-pi24-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tmc429-pi24-hero.glb",
"tmc429-pi24-hero.overlay.json",
"tmc429-pi24-etched.glb"
],
"component": {
"mpn": "TMC429-PI24",
"manufacturer": "TRINAMIC Motion Control GmbH",
"package": "SOP-24-300mil",
"pin_count": 24,
"category": "Power Management ICs",
"subcategory": "Motor Driver ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b10d2c1f5abcf0fc2037e9d033bec539.pdf",
"parts": {
"symbol": "tmc429-pi24.kicad_sym",
"footprint": "tmc429-pi24.kicad_mod",
"model_3d": "tmc429-pi24-hero.glb",
"model_3d_plain": "tmc429-pi24-etched.glb",
"model_3d_step": "tmc429-pi24-etched.step",
"model_3d_step_plain": "tmc429-pi24.step",
"lbr": "tmc429-pi24.lbr"
},
"distributor_links": {
"lcsc": "C2927051",
"digikey": "175-TMC429-PI24-ND",
"mouser": "700-TMC429-PI24"
},
"distributor_check": {
"checked_at": "2026-10-31T00:56:04Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "175-TMC429-PI24-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "700-TMC429-PI24",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "POSCMP",
"type": "output",
"description": "Position compare output for the SOP24 package, used to trigger when moving over a programmable position (n.c. on the TMC428 SOP24, driven on the TMC429)."
},
{
"number": "2",
"name": "REF1",
"type": "input",
"description": "Reference switch input 1 with no internal pull-up resistor; unused reference inputs must be connected to ground."
},
{
"number": "3",
"name": "REF2",
"type": "input",
"description": "Reference switch input 2 with no internal pull-up resistor; unused reference inputs must be connected to ground."
},
{
"number": "4",
"name": "REF3",
"type": "input",
"description": "Reference switch input 3 with no internal pull-up resistor; unused reference inputs must be connected to ground."
},
{
"number": "5",
"name": "V5",
"type": "power_in",
"description": "+5V supply / +3.3V supply pin (the device operates from 5 V or 3.3 V CMOS/TTL-compatible IO levels)."
},
{
"number": "6",
"name": "TEST",
"type": "input",
"description": "Must be connected to GND as close as possible to the chip; no user function."
},
{
"number": "7",
"name": "CLK",
"type": "input",
"description": "Clock input, up to 32 MHz (can use the CPU clock)."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "9",
"name": "nSCS_C",
"type": "input",
"description": "Low active SPI chip select input driven from the microcontroller."
},
{
"number": "10",
"name": "SCK_C",
"type": "input",
"description": "Serial data clock input driven from the microcontroller."
},
{
"number": "11",
"name": "SDI_C",
"type": "input",
"description": "Serial data input driven from the microcontroller."
},
{
"number": "12",
"name": "SDOZ_C",
"type": "tri_state",
"description": "High-impedance serial data output to the microcontroller that becomes high impedance (Z) when nSCS_C = 1; the nINT signal is not mapped to this pin."
},
{
"number": "13",
"name": "REFR2",
"type": "input",
"description": "Reference switch right 2 input with internal pull-up resistor."
},
{
"number": "14",
"name": "nINT_SDO_C",
"type": "output",
"description": "Serial data output to the microcontroller; multiplexed nINTERRUPT output when communication is idle (nSCS_C = 1), can be configured as non-multiplexed nINT."
},
{
"number": "15",
"name": "SDO_S_S1",
"type": "output",
"description": "Serial data output to the SPI stepper motor driver chain; STEP output S1 (motor 1) in Step/Dir mode."
},
{
"number": "16",
"name": "SCK_S_D1",
"type": "output",
"description": "Serial data clock output to the SPI stepper motor driver chain; DIR output D1 (motor 1) in Step/Dir mode."
},
{
"number": "17",
"name": "nSCS_S_S2",
"type": "output",
"description": "SPI chip select signal to the stepper motor driving chain; STEP output S2 (motor 2) in Step/Dir mode."
},
{
"number": "18",
"name": "nSCS2_S3",
"type": "output",
"description": "SPI chip select signal for drivers without serial data output (SOP24 only); STEP output S3 (motor 3) in Step/Dir mode."
},
{
"number": "19",
"name": "nSCS3_D3",
"type": "output",
"description": "SPI chip select signal for drivers without serial data output (SOP24 only); DIR output D3 (motor 3) in Step/Dir mode."
},
{
"number": "20",
"name": "V5",
"type": "power_in",
"description": "+5V supply / +3.3V supply pin (second V5 connection)."
},
{
"number": "21",
"name": "V33",
"type": "power_in",
"description": "470 nF ceramic capacitor pin / +3.3V supply."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Ground connection (second GND pin)."
},
{
"number": "23",
"name": "SDI_S_D2",
"type": "bidirectional",
"description": "Serial data input from the SPI stepper motor driver chain (pull-up/pull-down at SDI_S avoids high impedance; SDI_S is the power-on default); DIR output D2 (motor 2) in Step/Dir mode."
},
{
"number": "24",
"name": "REFR1",
"type": "input",
"description": "Reference switch right 1 input with internal pull-up resistor."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: SDI_S_D2 is listed as I/O on page 12 (SDI_S input in SPI mode, DIR output D2 in Step/Dir mode); type; POSCMP is listed as 'n.c. / O' on page 12; typed as output because the datasheet says it is an outpu; SDOZ_C is listed as 'O / Z' on page 12; typed as tri_state."
],
"pages_sent": 23,
"cost_usd": 0.1242,
"at": "2026-10-31T00:55:42"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/b10d2c1f5abcf0fc2037e9d033bec539.pdf",
"pages": 83,
"sha256": "c875842496a167a6",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tmc429-pi24.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.46,
15.4,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "8c4327453fe5980b2242ea21b22f0fcb9d90baf27aacd86b96b232f5ea05f82a",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tmc429-pi24-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.46,
15.4,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "253c974ebf6f51378ac74dd971539c844b9c845f336d0707aa23f369cdd1f3ad",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}