component
MD9927
Public Made by Adomby adom
Shanghai Mingda Microelectronics Motor Driver ICs, WDFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727
{
"schema_version": 1,
"type": "component",
"slug": "md9927",
"title": "MD9927",
"brief": "Shanghai Mingda Microelectronics Motor Driver ICs, WDFN-8-EP(2x2). 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 management ics",
"md9927",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MD9927",
"manufacturer": "Shanghai Mingda Microelectronics",
"package": "WDFN-8-EP(2x2)",
"pin_count": 9,
"category": "Power Management ICs",
"subcategory": "Motor Driver ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/51228a5033d20d1b3b1bd0b6b9b3b6e4.pdf",
"parts": {
"symbol": "md9927.kicad_sym",
"footprint": "md9927.kicad_mod",
"model_3d": "md9927-hero.glb",
"model_3d_plain": "md9927-etched.glb",
"model_3d_step": "md9927-etched.step",
"model_3d_step_plain": "md9927.step",
"lbr": "md9927.lbr"
},
"distributor_links": {
"lcsc": "C2684662"
},
"distributor_check": {
"checked_at": "2026-10-22T21:09:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VM",
"type": "power_in",
"description": "Motor power supply, 0 to 12 V recommended, to be bypassed to GND with a 0.1 µF ceramic capacitor rated for VM."
},
{
"number": "2",
"name": "OUT1",
"type": "output",
"description": "Motor output that connects to the motor winding."
},
{
"number": "3",
"name": "OUT2",
"type": "output",
"description": "Motor output that connects to the motor winding."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Device ground, which must be connected to ground."
},
{
"number": "5",
"name": "IN2",
"type": "input",
"description": "IN2 logic input controlling OUT2 (PWM interface), with an internal pulldown of about 100 kΩ."
},
{
"number": "6",
"name": "IN1",
"type": "input",
"description": "IN1 logic input controlling OUT1 (PWM interface), with an internal pulldown of about 100 kΩ."
},
{
"number": "7",
"name": "nSLEEP",
"type": "input",
"description": "Sleep mode input: logic low puts the device in low-power sleep mode, logic high gives normal operation, with an internal pulldown."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Logic power supply, 1.8 to 7 V, to be bypassed to GND with a 0.1 µF ceramic capacitor rated for VCC."
},
{
"number": "9",
"name": "EP",
"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: The pin description table has a column headed 'SOIC-8' rather than DFN. The DFN2*2 and SOP8 pin diag; The DFN has a thermal pad, shown in the application diagram on page 8. The datasheet gives it no pin"
],
"pages_sent": 11,
"cost_usd": 0.08,
"at": "2026-10-22T21:09:12"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/51228a5033d20d1b3b1bd0b6b9b3b6e4.pdf",
"pages": 11,
"sha256": "b265c99dba064782",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 9,
"described": 9,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "md9927.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.02,
2,
0.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "0cd9f7ef593981b3ddb4f777b5812b124892d53918fca6387755f24522331ff5",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "md9927-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.02,
2,
0.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5daf71e08cd4fb2ac7793bcb1c2c259e982caaca200c99ea0f3f096b240a74b4",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Shanghai Mingda Microelectronics",
"Package": "WDFN-8-EP(2x2)",
"Category": "Power Management ICs",
"Pins": "9"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "b265c99dba064782709d6b28d8fe539c8ec98f9630a11df6e1d9d9b63374cea1",
"rows": [
{
"name": "Motor power-supply voltage",
"symbol": "VM",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 18,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Logic power-supply voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Control pin voltage IN1, IN2, nSLEEP",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD HBM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -4000,
"typ": null,
"max": 4000,
"conditions": "Human body model",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating virtual junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -60,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Motor power-supply voltage",
"symbol": "VM",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 12,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Logic power-supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 7,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Logic level input voltage",
"symbol": "VLOGIC",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5.5,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Motor peak current",
"symbol": "IOUT",
"kind": "recommended_operating",
"unit": "A",
"min": 0,
"typ": null,
"max": 1.8,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Externally applied PWM frequency",
"symbol": "fPWM",
"kind": "recommended_operating",
"unit": "kHz",
"min": 0,
"typ": null,
"max": 250,
"conditions": "Ta=25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VM operating voltage",
"symbol": "VM",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 12,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VM operating supply current",
"symbol": "IVM",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 30,
"max": 100,
"conditions": "VM = 5 V; VCC = 3 V; No PWM",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VM operating supply current",
"symbol": "IVM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.45,
"max": 1.5,
"conditions": "VM = 5 V; VCC = 3 V; 50 kHz PWM",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VM sleep mode supply current",
"symbol": "IVMQ",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 30,
"max": 90,
"conditions": "VM = 5 V; VCC = 3 V; nSLEEP = 0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC operating voltage",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC operating supply current",
"symbol": "IVCC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.23,
"max": 0.5,
"conditions": "VM = 5 V; VCC = 3 V; No PWM",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC operating supply current",
"symbol": "IVCC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.45,
"max": 1.5,
"conditions": "VM = 5 V; VCC = 3 V; 50 kHz PWM",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC sleep mode supply current",
"symbol": "IVCCQ",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 15,
"max": 30,
"conditions": "VM = 5 V; VCC = 3 V; nSLEEP = 0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input logic-low voltage falling threshold",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.25,
"max": 0.38,
"conditions": "values are multiples of VCC (0.25 × VCC, 0.38 × VCC)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input logic-high voltage rising threshold",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.46,
"max": 0.5,
"conditions": "values are multiples of VCC (0.46 × VCC, 0.5 × VCC)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input logic low current",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "VIN = 0 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input logic high current, IN1 or IN2",
"symbol": "IIH",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 60,
"conditions": "VIN = 3.3 V, IN1 or IN2 pin",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input logic high current, nSLEEP",
"symbol": "IIH",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VIN = 3.3 V, nSLEEP pin",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Off-state leakage current",
"symbol": "",
"kind": "electrical",
"unit": "nA",
"min": -200,
"typ": null,
"max": 200,
"conditions": "VOUT = 0 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "HS + LS FET on-resistance",
"symbol": "",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 500,
"max": null,
"conditions": "VM = 5 V; VCC = 3 V; IO = 800 mA; TJ = 25°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Overcurrent protection trip level",
"symbol": "IOCP",
"kind": "electrical",
"unit": "A",
"min": 1.9,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC undervoltage lockout, falling",
"symbol": "VUVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.7,
"max": null,
"conditions": "VCC falling",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC undervoltage lockout, rising",
"symbol": "VUVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.8,
"max": null,
"conditions": "VCC rising",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input logic hysteresis",
"symbol": "VHYS",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.08,
"max": null,
"conditions": "0.08 × VCC",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Pulldown resistance",
"symbol": "RPD",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": 100,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Overcurrent deglitch time",
"symbol": "tDEG",
"kind": "electrical",
"unit": "µs",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Overcurrent retry time",
"symbol": "TRETRY",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal shutdown temperature",
"symbol": "tTSD",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 170,
"max": null,
"conditions": "Die temperature TJ",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output enable time",
"symbol": "t1",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 300,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output disable time",
"symbol": "t2",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 300,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Delay time, INx high to OUTx high",
"symbol": "t3",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 160,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Delay time, INx low to OUTx low",
"symbol": "t4",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 160,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output rise time",
"symbol": "t5",
"kind": "timing",
"unit": "ns",
"min": 30,
"typ": null,
"max": 188,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output fall time",
"symbol": "t6",
"kind": "timing",
"unit": "ns",
"min": 30,
"typ": null,
"max": 188,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"md9927"
],
"discovery_pitch": "MD9927 (Shanghai Mingda Microelectronics) 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",
"md9927.kicad_sym",
"md9927.kicad_mod",
"md9927.glb",
"md9927.step",
"md9927.lbr",
"docs/hero.png",
"docs/md9927-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"md9927-hero.glb",
"md9927-hero.overlay.json",
"md9927-etched.glb"
],
"visibility": {
"public": true
}
}