component
MS35774
Public Made by Adomby adom
Hangzhou Ruimeng Tech Motor Driver ICs, QFN-28-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ms35774",
"title": "MS35774",
"brief": "Hangzhou Ruimeng Tech Motor Driver ICs, QFN-28-EP(5x5). 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",
"power supply chip",
"ms35774",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MS35774",
"manufacturer": "Hangzhou Ruimeng Tech",
"package": "QFN-28-EP(5x5)",
"pin_count": 29,
"category": "Power Supply Chip",
"subcategory": "Motor Driver ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/43f449a2443df0496b30d9c418987be6.pdf",
"parts": {
"symbol": "ms35774.kicad_sym",
"footprint": "ms35774.kicad_mod",
"model_3d": "ms35774-hero.glb",
"model_3d_plain": "ms35774-etched.glb",
"model_3d_step": "ms35774-etched.step",
"model_3d_step_plain": "ms35774.step",
"lbr": "ms35774.lbr"
},
"distributor_links": {
"lcsc": "C3020561"
},
"distributor_check": {
"checked_at": "2026-10-22T23:07:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 702 calls left today"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "BOUT2",
"type": "bidirectional",
"description": "Motor coil B output 2."
},
{
"number": "2",
"name": "ENN",
"type": "input",
"description": "Enable input; high level turns the outputs off, low turns the output drivers on."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "CPO",
"type": "bidirectional",
"description": "Charge pump capacitor output."
},
{
"number": "5",
"name": "CPI",
"type": "bidirectional",
"description": "Charge pump capacitor input, connect a 22nF (50V) capacitor to CPO."
},
{
"number": "6",
"name": "VCP",
"type": "bidirectional",
"description": "Charge pump voltage, connect a 100nF capacitor to VM."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "Not used; may be left floating or connected to ground."
},
{
"number": "8",
"name": "V5",
"type": "bidirectional",
"description": "Internal 5V LDO, connect a 2.2uF to 4.7uF capacitor to ground."
},
{
"number": "9",
"name": "MS1",
"type": "input",
"description": "Microstep configuration input with internal pull-down resistor (160kΩ)."
},
{
"number": "10",
"name": "MS2",
"type": "input",
"description": "Microstep configuration input with internal pull-down resistor (160kΩ)."
},
{
"number": "11",
"name": "FAULT",
"type": "output",
"description": "Internal fault signal output; high means output drivers are off, reset by setting ENN high."
},
{
"number": "12",
"name": "FG0",
"type": "output",
"description": "Outputs a pulse at the positive-going zero crossing of coil A current."
},
{
"number": "13",
"name": "CLK",
"type": "input",
"description": "Clock input; connect to ground when using the internal clock (external clock 4 to 18MHz)."
},
{
"number": "14",
"name": "PDN",
"type": "bidirectional",
"description": "Power-down not controlled by input; low level enables automatic standstill current reduction mode."
},
{
"number": "15",
"name": "VIO",
"type": "power_in",
"description": "Supply for the digital I/O pins, 1.8V to 5V."
},
{
"number": "16",
"name": "STEP",
"type": "input",
"description": "Microstep step input."
},
{
"number": "17",
"name": "VREF",
"type": "power_in",
"description": "Analog reference voltage input for current control, or analog reference current input in internal sense resistor mode."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "19",
"name": "DIR",
"type": "input",
"description": "Direction input with internal pull-down resistor."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "Not used; may be left floating or connected to ground."
},
{
"number": "21",
"name": "AOUT2",
"type": "bidirectional",
"description": "Motor coil A output 2."
},
{
"number": "22",
"name": "VM",
"type": "power_in",
"description": "Motor supply voltage."
},
{
"number": "23",
"name": "SENA",
"type": "bidirectional",
"description": "Coil A low-side MOS source; connect sense resistor to ground, or connect directly to ground in internal sense resistor mode."
},
{
"number": "24",
"name": "AOUT1",
"type": "bidirectional",
"description": "Motor coil A output 1."
},
{
"number": "25",
"name": "NC",
"type": "unconnected",
"description": "Not used; may be left floating or connected to ground."
},
{
"number": "26",
"name": "BOUT1",
"type": "bidirectional",
"description": "Motor coil B output 1."
},
{
"number": "27",
"name": "SENB",
"type": "bidirectional",
"description": "Coil B low-side MOS source; connect sense resistor to ground, or connect directly to ground in internal sense resistor mode."
},
{
"number": "28",
"name": "VM",
"type": "power_in",
"description": "Motor supply voltage."
},
{
"number": "29",
"name": "PAD",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet pin table lists the exposed pad as '-' with name PAD; 'EP' used as pin number. Pin 7 is li; Microstep table on page 8 lists only four settings (1/8, 1/2, 1/4, 1/16), inconsistent with the 2/4/; Pin types for IO-class pins (charge pump, V5, coil outputs, SENx) are inferred from the 'IO' attribu"
],
"pages_sent": 14,
"cost_usd": 0.0466,
"at": "2026-10-22T23:07:48"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/43f449a2443df0496b30d9c418987be6.pdf",
"pages": 14,
"sha256": "72e08b247865fd76",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 29,
"described": 29,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ms35774.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.92
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ms35774-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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5,
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "47400c6b3e9a853363c2304829d313b6384572023d3b0d4f29c8ed29c9116b4f",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Hangzhou Ruimeng Tech",
"Package": "QFN-28-EP(5x5)",
"Category": "Power Supply Chip",
"Pins": "29"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ms35774"
],
"discovery_pitch": "MS35774 (Hangzhou Ruimeng Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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"docs/hero.png",
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"viewers/symbol.html",
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"visibility": {
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}
}