component
TMI8548
Public Made by Adomby adom
TMI Stepper Motor Driver, SOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541
{
"schema_version": 1,
"type": "component",
"slug": "tmi8548",
"title": "TMI8548",
"brief": "TMI Stepper Motor Driver, SOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"motor driver ics",
"tmi8548",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TMI8548",
"manufacturer": "TMI",
"package": "SOP-10",
"pin_count": 10,
"category": "Motor Driver ICs",
"subcategory": "Stepper Motor Driver",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918266631110656",
"parts": {
"symbol": "tmi8548.kicad_sym",
"footprint": "tmi8548.kicad_mod",
"model_3d": "tmi8548-hero.glb",
"model_3d_plain": "tmi8548-etched.glb",
"model_3d_step": "tmi8548-etched.step",
"model_3d_step_plain": "tmi8548.step",
"lbr": "tmi8548.lbr"
},
"distributor_links": {
"lcsc": "C840558"
},
"distributor_check": {
"checked_at": "2026-10-21T01:11:55Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VCC",
"type": "power_in",
"description": "Power-supply voltage pin, with recommended operating supply of 4 to 16 V; a stabilization capacitor is connected between this pin and GND."
},
{
"number": "2",
"name": "IN1",
"type": "input",
"description": "Driving control input for OUT1 (pin 10) and OUT2 (pin 9), used together with IN2; logic L is 0 to 0.4 V and H is 1.5 to 5.5 V, PWM input is allowed, it has a built-in 100 kΩ pull-down, and the IC enters standby when IN1 to IN4 are all low."
},
{
"number": "3",
"name": "IN2",
"type": "input",
"description": "Driving control input for OUT1 (pin 10) and OUT2 (pin 9), used together with IN1; PWM input is allowed and it has a built-in 100 kΩ pull-down resistor."
},
{
"number": "4",
"name": "IN3",
"type": "input",
"description": "Driving control input for OUT3 (pin 8) and OUT4 (pin 7), used together with IN4; PWM input is allowed and it has a built-in 100 kΩ pull-down resistor."
},
{
"number": "5",
"name": "IN4",
"type": "input",
"description": "Driving control input for OUT3 (pin 8) and OUT4 (pin 7), used together with IN3; PWM input is allowed and it has a built-in 100 kΩ pull-down resistor."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground pin, the reference for VCC decoupling and the device."
},
{
"number": "7",
"name": "OUT4",
"type": "output",
"description": "H-bridge driving output; the motor coil is connected between this pin and OUT3 (pin 8)."
},
{
"number": "8",
"name": "OUT3",
"type": "output",
"description": "H-bridge driving output; the motor coil is connected between this pin and OUT4 (pin 7)."
},
{
"number": "9",
"name": "OUT2",
"type": "output",
"description": "H-bridge driving output; the motor coil is connected between this pin and OUT1 (pin 10)."
},
{
"number": "10",
"name": "OUT1",
"type": "output",
"description": "H-bridge driving output; the motor coil is connected between this pin and OUT2 (pin 9)."
}
],
"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: The requested package hint was SOP-10, but the datasheet only lists the SSOP10 package (Package/Orde; The VCC pin description on page 4 is garbled in the source text ('The capacitor is connected for sta; The datasheet pin table gives no explicit type for each pin. Types were assigned from function: VCC "
],
"pages_sent": 11,
"cost_usd": 0.0304,
"at": "2026-10-21T01:07:26"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918266631110656",
"pages": 11,
"sha256": "9558c5a2759d4056",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 10,
"described": 10,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tmi8548.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.06,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "24d6a3792ce4413ce7467dbd377d042ff2874cc0593156bb95fb64d8d44f1352",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tmi8548-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.06,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "87eba0307e141e2169d1a74c91cb4cebb01e0b5913a2a93664c1675ad08b9627",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "TMI",
"Package": "SOP-10",
"Category": "Motor Driver ICs",
"Pins": "10"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "9558c5a2759d4056baecccacd1aaedebe50df843c6190f3a56b0b744e2ef59eb",
"rows": [
{
"name": "Standby supply current",
"symbol": "ICC0",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": 1,
"conditions": "Standby mode IN1=IN2=IN3=IN4=Low",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating supply current",
"symbol": "ICC1",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.1,
"max": 1.52,
"conditions": "It is High from IN1 as for either of IN4. Load opening",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": 40,
"typ": 50,
"max": 64,
"conditions": "VIN=5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal shutdown operating temperature",
"symbol": "Ttsd",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 160,
"max": null,
"conditions": "Design certification",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Width of temperature hysteresis",
"symbol": "△Ttsd",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 40,
"max": null,
"conditions": "Design certification",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Low voltage protection function operation voltage",
"symbol": "VthVCC",
"kind": "electrical",
"unit": "V",
"min": 3.75,
"typ": 3.79,
"max": 3.83,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Low voltage protection release voltage",
"symbol": "Vthret",
"kind": "electrical",
"unit": "V",
"min": 3.51,
"typ": 3.54,
"max": 3.58,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Over-current protection",
"symbol": "IOCP",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 1.6,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output ON resistance (upper and lower total)",
"symbol": "RDSON",
"kind": "electrical",
"unit": "Ω",
"min": 0.7,
"typ": 0.83,
"max": 0.96,
"conditions": "IOUT=1.0A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output leak current",
"symbol": "IO_leak",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0,
"max": 10,
"conditions": "VO=20V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Diode forward voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.1,
"max": null,
"conditions": "ID=1.0A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IN1/IN2/IN3/IN4 high level voltage threshold",
"symbol": "INxH",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IN1/IN2/IN3/IN4 low level voltage threshold",
"symbol": "INxL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal shutdown threshold (Note 3)",
"symbol": "",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 160,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal shutdown hysteresis (Note 3)",
"symbol": "",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 30,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum power supply voltage",
"symbol": "VCC max",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output impression voltage",
"symbol": "VOUT1, VOUT2, VOUT3, VOUT4",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input impression voltage",
"symbol": "VIN1, VIN2, VIN3, VIN4",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "GND pin outflow current per channel",
"symbol": "IGND",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1,
"conditions": "per channel",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Allowable power dissipation",
"symbol": "PD max",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "Topr",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 165,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 4,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input high level voltage",
"symbol": "VINH",
"kind": "recommended_operating",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 5.5,
"conditions": "VIN1, VIN2, VIN3, VIN4",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input low level voltage",
"symbol": "VINL",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.4,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tmi8548"
],
"discovery_pitch": "TMI8548 (TMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tmi8548.kicad_sym",
"tmi8548.kicad_mod",
"tmi8548.glb",
"tmi8548.step",
"tmi8548.lbr",
"docs/hero.png",
"docs/tmi8548-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tmi8548-hero.glb",
"tmi8548-hero.overlay.json",
"tmi8548-etched.glb"
],
"visibility": {
"public": true
}
}