component
AMT49700KETJTR
Public Made by Adomby adom
Allegro MicroSystems, LLC New Arrivals, QFN-32(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": "amt49700ketjtr",
"title": "AMT49700KETJTR",
"brief": "Allegro MicroSystems, LLC New Arrivals, QFN-32(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",
"others",
"amt49700ketjtr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AMT49700KETJTR",
"manufacturer": "Allegro MicroSystems, LLC",
"package": "QFN-32(5x5)",
"pin_count": 33,
"category": "Others",
"subcategory": "New Arrivals",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/018e65f67a16ae302c64f8c8fd1cd0d3.pdf",
"parts": {
"symbol": "amt49700ketjtr.kicad_sym",
"footprint": "amt49700ketjtr.kicad_mod",
"model_3d": "amt49700ketjtr-hero.glb",
"model_3d_plain": "amt49700ketjtr-etched.glb",
"model_3d_step": "amt49700ketjtr-etched.step",
"model_3d_step_plain": "amt49700ketjtr.step",
"lbr": "amt49700ketjtr.lbr"
},
"distributor_links": {
"lcsc": "C7214398",
"digikey": "620-2056-2-ND",
"mouser": "250-AMT49700KETJTR"
},
"distributor_check": {
"checked_at": "2026-10-31T02:13:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "620-2056-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "250-AMT49700KETJTR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "CP2",
"type": "passive",
"description": "Charge pump capacitor terminal; connect a 100 nF (50 V) ceramic capacitor between CP1 and CP2 (abs max -0.3 to VBB + 8 V)."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "3",
"name": "VCP",
"type": "passive",
"description": "Charge pump storage capacitor terminal for above-supply high-side drive; connect a 100 nF (16 V) ceramic capacitor between VCP and VBB."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "5",
"name": "RESETn",
"type": "input",
"description": "Standby mode control: a low pulse (tRST) resets faults, held low longer than tRSD forces sleep; can be pulled to VBB with 33 kΩ, abs max -0.3 to 6 V."
},
{
"number": "6",
"name": "DIR",
"type": "input",
"description": "Direction logic input with filtered hysteresis; when high the Phase Angle Number increases on the STEP rising edge, no effect when using the serial interface (abs max 6 V)."
},
{
"number": "7",
"name": "STEP",
"type": "input",
"description": "Step logic input; motor advances on the rising edge, filtered input with hysteresis (abs max 6 V)."
},
{
"number": "8",
"name": "STRn",
"type": "input",
"description": "Serial strobe (chip select) input; when high, SCK and SDI activity is ignored and SDO is high impedance (abs max 6 V)."
},
{
"number": "9",
"name": "SCK",
"type": "input",
"description": "Serial clock input; data latched from SDI on the rising edge, 16 rising edges per write, held high when STRn changes (abs max 6 V)."
},
{
"number": "10",
"name": "SDI",
"type": "input",
"description": "Serial data input, 16-bit word, MSB first (abs max 6 V)."
},
{
"number": "11",
"name": "SDO",
"type": "tri_state",
"description": "Serial data output, high impedance when STRn is high, outputs the FF fault flag bit as soon as STRn goes low (abs max 6 V)."
},
{
"number": "12",
"name": "DIAG",
"type": "output",
"description": "Open-drain diagnostic output with function selected via serial interface, default is fault flag; survives up to 40 V but goes high impedance above about 16 V, typically pulled up with 10 kΩ to 20 kΩ."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "14",
"name": "VBB",
"type": "power_in",
"description": "Main motor and chip supply (3.7 to 42 V operation, abs max 42 V); connect both VBB pins together, each decoupled with a low-ESR electrolytic and a ceramic capacitor."
},
{
"number": "15",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "16",
"name": "OBP",
"type": "output",
"description": "Bridge B positive output for motor phase B; positive current flows from OBP to OBM (abs max -0.3 to VBB)."
},
{
"number": "17",
"name": "GNDPB",
"type": "power_in",
"description": "Power ground for B phase bridge; must be connected to GND (within ±0.1 V)."
},
{
"number": "18",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "19",
"name": "OBM",
"type": "output",
"description": "Bridge B negative output for motor phase B (abs max -0.3 to VBB)."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "21",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "22",
"name": "OAM",
"type": "output",
"description": "Bridge A negative output for motor phase A (abs max -0.3 to VBB)."
},
{
"number": "23",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "24",
"name": "GNDPA",
"type": "power_in",
"description": "Power ground for A phase bridge; must be connected to GND (within ±0.1 V)."
},
{
"number": "25",
"name": "OAP",
"type": "output",
"description": "Bridge A positive output for motor phase A; positive current flows from OAP to OAM (abs max -0.3 to VBB)."
},
{
"number": "26",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "27",
"name": "VBB",
"type": "power_in",
"description": "Main motor and chip supply (3.7 to 42 V operation, abs max 42 V); connect both VBB pins together, each decoupled with a low-ESR electrolytic and a ceramic capacitor."
},
{
"number": "28",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Power and reference ground; connect to GNDPA and GNDPB."
},
{
"number": "30",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "31",
"name": "CP1",
"type": "passive",
"description": "Charge pump capacitor terminal; connect a 100 nF (50 V) ceramic capacitor between CP1 and CP2 (abs max -0.3 to VBB + 0.3 V)."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connection (shown as NC in the pinout diagram)."
},
{
"number": "33",
"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 terminal list table gives only 20 numbered pins plus PAD. The NC pin numbers (2,4,13,15,18,20,21; The datasheet text doesn't state a pin type for the exposed pad. I set it to GND from the functional; The CP1, CP2 and VCP types (passive) and the SDO type (tri_state) are my interpretation of their fun"
],
"pages_sent": 11,
"cost_usd": 0.1652,
"at": "2026-10-31T02:13:41"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/018e65f67a16ae302c64f8c8fd1cd0d3.pdf",
"pages": 45,
"sha256": "f40780a7ddc01aa0",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "amt49700ketjtr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "amt49700ketjtr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "8fcf1c2504a9562f5bb92bf129c5f0b0ca51b461f16fe36d0b01530926597df3",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "ET",
"source_page": 44,
"D": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "amt49700ketjtr.step",
"verdict": "SKIP",
"reasons": [
"the datasheet dimensions give no height or body size to compare"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Allegro MicroSystems, LLC",
"Package": "QFN-32(5x5)",
"Category": "Others",
"Pins": "33"
},
"appearance": {
"contacts": {
"quote": "to the AMT49700 is recommended. All ground terminals must be connected together externally. The copper ground plane located",
"page": 42,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "f40780a7ddc01aa0da9e4e8917ecd1fa51ccf03d7c35d17978e68ccc9738e235"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f40780a7ddc01aa0da9e4e8917ecd1fa51ccf03d7c35d17978e68ccc9738e235",
"rows": [
{
"name": "Load Supply Voltage",
"symbol": "VBB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 42,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Terminal DIAG",
"symbol": "VDIAG",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Terminals STEP, DIR, SCK, SDI, SDO, STRn",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Terminal RESETn",
"symbol": "VRESETn",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "Can be pulled to VBB with 33 kΩ",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Ground terminals GNDPA, GNDPB",
"symbol": "VGNDPA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 0.1,
"conditions": "All ground terminals must be connected together",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Ambient Operating Temperature Range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "Limited by power dissipation",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum Continuous Junction Temperature",
"symbol": "TJ(max)",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 165,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Transient Junction Temperature",
"symbol": "TJt",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 175,
"conditions": "Overtemperature event not exceeding 10 seconds, lifetime duration not exceeding 10 hours",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 30,
"max": null,
"conditions": "High-K PCB (JESD51-7)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply Voltage Range",
"symbol": "VBB",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 42,
"conditions": "No unsafe states",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply Voltage Range",
"symbol": "VBB",
"kind": "electrical",
"unit": "V",
"min": 5.5,
"typ": null,
"max": null,
"conditions": "Outputs driving (max VBBOV)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply Quiescent Current",
"symbol": "IBBQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "DIS = 1",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply Quiescent Current",
"symbol": "IBBQ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 20,
"max": 40,
"conditions": "Sleep Mode, VBB = 12 V, GTS = 1, STRn = 1 or VRESETn < 0.5 V, TJ = 25°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply Quiescent Current",
"symbol": "IBBQ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 60,
"max": 100,
"conditions": "Sleep Mode, VBB = 12 V, GTS = 1, STRn = 1 or VRESETn < 0.5 V, TJ = 150°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Logic I/O Regulator Voltage",
"symbol": "VLIO",
"kind": "electrical",
"unit": "V",
"min": 3.1,
"typ": 3.3,
"max": 3.5,
"conditions": "VLR = 0",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Logic I/O Regulator Voltage",
"symbol": "VLIO",
"kind": "electrical",
"unit": "V",
"min": 4.8,
"typ": 5,
"max": 5.2,
"conditions": "VLR = 1",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-Side On-Resistance",
"symbol": "RONH",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 500,
"max": 600,
"conditions": "VBB ≥ 7 V, IOUT = –1 A, TJ = 25°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-Side On-Resistance",
"symbol": "RONH",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 900,
"max": 1100,
"conditions": "VBB = 13.5 V, IOUT = –1 A, TJ = 150°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-Side Body Diode Forward Voltage",
"symbol": "VFH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.4,
"conditions": "IF = 1 A",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-Side Body Diode Forward Voltage",
"symbol": "VFH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.2,
"conditions": "IF = 0.1 A",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-Side On-Resistance",
"symbol": "RONL",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 500,
"max": 600,
"conditions": "VBB ≥ 7 V, IOUT = 1 A, TJ = 25°C, MXI[4:0] = 3…31",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-Side On-Resistance",
"symbol": "RONL",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 900,
"max": 1100,
"conditions": "VBB = 13.5 V, IOUT = 1 A, TJ = 150°C, MXI[4:0] = 3…31",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-Side On-Resistance",
"symbol": "RONL",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 1200,
"max": 1800,
"conditions": "VBB ≥ 7 V, IOUT = 150 mA, TJ = 25°C, MXI[4:0] = 0…2",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-Side On-Resistance",
"symbol": "RONL",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 2100,
"max": 3000,
"conditions": "VBB = 13.5 V, IOUT = 150 mA, TJ = 150°C, MXI[4:0] = 0…2",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-Side Body Diode Forward Voltage",
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