component
MS35776
Public Made by Adomby adom
杭州瑞盟 Stepper Motor Driver, 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": "ms35776",
"title": "MS35776",
"brief": "杭州瑞盟 Stepper Motor Driver, 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",
"motor driver ics",
"ms35776",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MS35776",
"manufacturer": "杭州瑞盟",
"package": "QFN-28-EP(5x5)",
"pin_count": 29,
"category": "Motor Driver ICs",
"subcategory": "Stepper Motor Driver",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904546191626240",
"parts": {
"symbol": "ms35776.kicad_sym",
"footprint": "ms35776.kicad_mod",
"model_3d": "ms35776-hero.glb",
"model_3d_plain": "ms35776-etched.glb",
"model_3d_step": "ms35776-etched.step",
"model_3d_step_plain": "ms35776.step",
"lbr": "ms35776.lbr"
},
"distributor_links": {
"lcsc": "C5371384"
},
"distributor_check": {
"checked_at": "2026-10-17T20:19:53Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "BOUT2",
"type": "output",
"description": "Motor coil B output 2 of the full-bridge driver."
},
{
"number": "2",
"name": "ENN",
"type": "input",
"description": "Enable input; when high it disables the output drivers, and per the datasheet ENN low enables the output drive and ENN is used to reset FAULT."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "CPO",
"type": "passive",
"description": "Charge-pump capacitor output, connected to CPI through a 22nF/50V capacitor."
},
{
"number": "5",
"name": "CPI",
"type": "passive",
"description": "Charge-pump capacitor input, connected to CPO through a 22nF/50V capacitor."
},
{
"number": "6",
"name": "VCP",
"type": "power_out",
"description": "Charge-pump voltage, connected to VM through a 100nF capacitor."
},
{
"number": "7",
"name": "MODE",
"type": "input",
"description": "Operating mode select with internal pull-up: 1 selects quiet mode and 0 selects fast mode."
},
{
"number": "8",
"name": "V5",
"type": "power_out",
"description": "Internal 5V LDO output, requiring a 2.2µF to 4.7µF capacitor to ground; all outputs are turned off if V5 falls low."
},
{
"number": "9",
"name": "MS1",
"type": "input",
"description": "Microstep configuration input with internal pull-down resistor."
},
{
"number": "10",
"name": "MS2",
"type": "input",
"description": "Microstep configuration input with internal pull-down resistor."
},
{
"number": "11",
"name": "FAULT",
"type": "output",
"description": "Internal error signal output that goes high when the driver outputs are shut off; it can be reset via ENN."
},
{
"number": "12",
"name": "FG0",
"type": "output",
"description": "Outputs a pulse on positive zero-crossing of the A-coil current."
},
{
"number": "13",
"name": "CLK",
"type": "input",
"description": "Clock input; can be tied to ground when the internal clock is used."
},
{
"number": "14",
"name": "PDN",
"type": "bidirectional",
"description": "Automatic current decay mode input; pulling it low enables automatic current decay at standstill."
},
{
"number": "15",
"name": "VIO",
"type": "power_in",
"description": "Supply for the digital I/O pins, 3.3V to 5V."
},
{
"number": "16",
"name": "STEP",
"type": "input",
"description": "Microstep step input."
},
{
"number": "17",
"name": "VREF",
"type": "power_in",
"description": "Analog reference voltage input controlling the output current; in internal sense-resistor mode it serves as the analog reference current input."
},
{
"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; the datasheet recommends connecting this pin to ground."
},
{
"number": "21",
"name": "AOUT2",
"type": "output",
"description": "Motor coil A output 2 of the full-bridge driver."
},
{
"number": "22",
"name": "VM",
"type": "power_in",
"description": "Motor supply voltage."
},
{
"number": "23",
"name": "SENA",
"type": "bidirectional",
"description": "Source terminal of the coil A low-side MOSFET; connect the sense resistor to ground, or connect directly to ground in internal sense-resistor mode."
},
{
"number": "24",
"name": "AOUT1",
"type": "output",
"description": "Motor coil A output 1 of the full-bridge driver."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "26",
"name": "BOUT1",
"type": "output",
"description": "Motor coil B output 1 of the full-bridge driver."
},
{
"number": "27",
"name": "SENB",
"type": "bidirectional",
"description": "Source terminal of the coil B low-side MOSFET; connect the 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": "EPAD",
"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-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 pin-table number column prints '-' for the exposed pad; 'EPAD' is used as the pin number here. C; The datasheet labels V5, VCP, CPO and CPI as 'IO'. Mapped V5 and VCP to power_out (regulator/charge-; The datasheet labels the motor coil outputs 'IO'. Mapped to KiCad 'output' because they are H-bridge",
"exposed pad 29 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 16,
"cost_usd": 0.0599,
"at": "2026-10-17T20:18:23"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904546191626240",
"pages": 16,
"sha256": "57c9ab436ca2aaab",
"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": "ms35776.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": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ms35776-etched.step",
"role": "eda",
"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": "32040acdd63dfcf06da2c484e7e33f1aa6aa49552ef1d4bb23daaedef9508d8e",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "杭州瑞盟",
"Package": "QFN-28-EP(5x5)",
"Category": "Motor Driver ICs",
"Pins": "29"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "57c9ab436ca2aaab4df465046b6fa27e5287e97aca35ca2d06ee85a69688e8cf",
"rows": [
{
"name": "Supply voltage (VM)",
"symbol": "VM",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 39,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IO supply voltage",
"symbol": "VVIO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Digital supply voltage (external supply)",
"symbol": "V5VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Logic input voltage range",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VREF input voltage",
"symbol": "VVREF",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "注1：VREF 电压请勿同时超过 VIO 和 V5 电压 10%",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Analog/digital port maximum current",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "5V internal supply output current capability",
"symbol": "I5VOUT",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Power driver output current",
"symbol": "IOx",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -50,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply voltage range (internal V5 used)",
"symbol": "VM",
"kind": "recommended_operating",
"unit": "V",
"min": 5.5,
"typ": null,
"max": 36,
"conditions": "使用内部 V5",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply voltage range (VM and V5 tied together)",
"symbol": "VM",
"kind": "recommended_operating",
"unit": "V",
"min": 4.7,
"typ": null,
"max": 5.4,
"conditions": "VM 和 V5 接一起",
"source_page": 5,
"source": "datasheet"
},
{
"name": "I/O supply voltage range",
"symbol": "VVIO",
"kind": "recommended_operating",
"unit": "V",
"min": 3.3,
"typ": null,
"max": 5.25,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "RMS current per motor coil",
"symbol": "IRMS",
"kind": "recommended_operating",
"unit": "A",
"min": null,
"typ": null,
"max": 1.2,
"conditions": "每个马达线圈",
"source_page": 5,
"source": "datasheet"
},
{
"name": "RMS current, 1 s on / 1 s off",
"symbol": "IRMS",
"kind": "recommended_operating",
"unit": "A",
"min": null,
"typ": null,
"max": 1.4,
"conditions": "一秒开一秒关",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Peak current per motor coil",
"symbol": "IOx",
"kind": "recommended_operating",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "每个马达线圈",
"source_page": 5,
"source": "datasheet"
},
{
"name": "No-load supply current",
"symbol": "IS",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 10,
"max": 14,
"conditions": "Fclk=12MHz，无斩波",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-side rdson",
"symbol": "RONL",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.28,
"max": 0.38,
"conditions": "I=100mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-side rdson",
"symbol": "RONH",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.29,
"max": 0.39,
"conditions": "I=100mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Rise time",
"symbol": "tSLPON",
"kind": "electrical",
"unit": "ns",
"min": 40,
"typ": 80,
"max": 160,
"conditions": "I=700mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Fall time",
"symbol": "tSLPOFF",
"kind": "electrical",
"unit": "ns",
"min": 40,
"typ": 80,
"max": 160,
"conditions": "I=700mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "VINLO",
"kind": "electrical",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output low voltage",
"symbol": "VOUTHI",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "I=2mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input leakage current",
"symbol": "IILEAK",
"kind": "electrical",
"unit": "μA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Charge-pump output voltage (VCP-VM)",
"symbol": "VVCP-VM",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": null,
"conditions": "工作在 fchop<40kHz",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Source-side current with driver off",
"symbol": "IOIDLE",
"kind": "electrical",
"unit": "μA",
"min": 120,
"typ": 330,
"max": 400,
"conditions": "OUTX 接 GND",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Charge-pump undervoltage threshold (VCP-VM)",
"symbol": "VVCP-VM",
"kind": "electrical",
"unit": "V",
"min": 3.7,
"typ": 4,
"max": 4.3,
"conditions": "使用内部 5V LDO",
"source_page": 6,
"source": "datasheet"
},
{
"name": "5V LDO output voltage",
"symbol": "V5",
"kind": "electrical",
"unit": "V",
"min": 4.8,
"typ": 5,
"max": 5.2,
"conditions": "I5v=0mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "5V LDO output resistance",
"symbol": "RV5",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 1,
"conditions": "静态负载",
"source_page": 7,
"source": "datasheet"
},
{
"name": "5V LDO deviation over temperature range",
"symbol": "V5T(DEV)",
"kind": "electrical",
"unit": "mV",
"min": -200,
"typ": 90,
"max": 200,
"conditions": "I=5mA，整个工作温度范围",
"source_page": 7,
"source": "datasheet"
},
{
"name": "5V LDO deviation over supply voltage range",
"symbol": "V5V(DEV)",
"kind": "electrical",
"unit": "mV/10V",
"min": -150,
"typ": 50,
"max": 150,
"conditions": "I=5mA，整个工作电压范围",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Internal oscillator frequency (factory set)",
"symbol": "fCLKOSC",
"kind": "electrical",
"unit": "MHz",
"min": 11.5,
"typ": 12,
"max": 12.5,
"conditions": "T=25°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "External clock frequency",
"symbol": "fCLK",
"kind": "electrical",
"unit": "MHz",
"min": 4,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "External clock rise/fall time",
"symbol": "tCLK",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 10,
"conditions": "CLK 从 0.1Vio 到 0.9Vio",
"source_page": 7,
"source": "datasheet"
},
{
"name": "External clock timeout detection",
"symbol": "Xtimeout",
"kind": "electrical",
"unit": "Fclk 周期",
"min": 32,
"typ": null,
"max": 48,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
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