component
ACS709LLFTR-35BB-T
Public Made by Adomby adom
Allegro MicroSystems, LLC Current Sensors, QSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "acs709llftr-35bb-t",
"version": "0.1.0",
"type": "component",
"description": "Allegro MicroSystems, LLC Current Sensors, QSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"sensors",
"acs709llftr-35bb-t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"files": [
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"README.md",
"acs709llftr-35bb-t.kicad_sym",
"acs709llftr-35bb-t.kicad_mod",
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"acs709llftr-35bb-t.step",
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"docs/hero.png",
"docs/acs709llftr-35bb-t-datasheet.pdf",
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"viewers/footprint.html",
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"acs709llftr-35bb-t-hero.overlay.json",
"acs709llftr-35bb-t-etched.glb"
],
"component": {
"mpn": "ACS709LLFTR-35BB-T",
"manufacturer": "Allegro MicroSystems, LLC",
"package": "QSOP-24",
"pin_count": 24,
"category": "Sensors",
"subcategory": "Current Sensors",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/03be71a713e70377fc72f8ae4be0b3c3.pdf",
"parts": {
"symbol": "acs709llftr-35bb-t.kicad_sym",
"footprint": "acs709llftr-35bb-t.kicad_mod",
"model_3d": "acs709llftr-35bb-t-hero.glb",
"model_3d_plain": "acs709llftr-35bb-t-etched.glb",
"model_3d_step": "acs709llftr-35bb-t-etched.step",
"model_3d_step_plain": "acs709llftr-35bb-t.step",
"lbr": "acs709llftr-35bb-t.lbr"
},
"distributor_links": {
"lcsc": "C696102",
"digikey": "620-1336-2-ND",
"mouser": "250-709LLFTR35BBT"
},
"distributor_check": {
"checked_at": "2026-10-31T03:50:06Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "620-1336-2-ND",
"status": "found",
"lifecycle": "Not For New Designs"
},
"mouser": {
"pn": "250-709LLFTR35BBT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "IP+",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP- pins, with unidirectional or bidirectional current flow."
},
{
"number": "2",
"name": "IP+",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP- pins, with unidirectional or bidirectional current flow."
},
{
"number": "3",
"name": "IP+",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP- pins, with unidirectional or bidirectional current flow."
},
{
"number": "4",
"name": "IP+",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP- pins, with unidirectional or bidirectional current flow."
},
{
"number": "5",
"name": "IP+",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP- pins, with unidirectional or bidirectional current flow."
},
{
"number": "6",
"name": "IP+",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP- pins, with unidirectional or bidirectional current flow."
},
{
"number": "7",
"name": "IP–",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP+ pins, with unidirectional or bidirectional current flow."
},
{
"number": "8",
"name": "IP–",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP+ pins, with unidirectional or bidirectional current flow."
},
{
"number": "9",
"name": "IP–",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP+ pins, with unidirectional or bidirectional current flow."
},
{
"number": "10",
"name": "IP–",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP+ pins, with unidirectional or bidirectional current flow."
},
{
"number": "11",
"name": "IP–",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP+ pins, with unidirectional or bidirectional current flow."
},
{
"number": "12",
"name": "IP–",
"type": "passive",
"description": "Sensed current copper conduction path pin; terminal for the current being sensed, fused internally and looped to the IP+ pins, with unidirectional or bidirectional current flow."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Device ground connection."
},
{
"number": "16",
"name": "VZCR",
"type": "output",
"description": "Voltage reference output pin giving a zero-current (0 A) reference whose output voltage scales with VCC."
},
{
"number": "17",
"name": "FILTER",
"type": "passive",
"description": "Filter pin; connect an external capacitor from this pin to GND to set the device bandwidth."
},
{
"number": "18",
"name": "VIOUT",
"type": "output",
"description": "Analog output pin whose output voltage is proportional to the current flowing through the loop between the IP+ and IP- pins."
},
{
"number": "19",
"name": "FAULT",
"type": "output",
"description": "Overcurrent Fault pin that transitions to a logic low state when the current between the IP+ and IP- pins exceeds the overcurrent fault threshold."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage pin."
},
{
"number": "21",
"name": "VOC",
"type": "input",
"description": "Overcurrent Input pin; the analog input voltage on this pin sets the overcurrent fault threshold."
},
{
"number": "22",
"name": "FAULT_EN",
"type": "input",
"description": "Fault enable pin that enables overcurrent faulting when high and resets the FAULT output when low."
},
{
"number": "23",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "24",
"name": "NC",
"type": "unconnected",
"description": "No connection."
}
],
"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 MPN ACS709LLFTR-35BB-T is listed on page 2 with the LF (24-pin QSOP) package suffix and tape-and; The FAULT pin is described as an open-drain Overcurrent Fault output on page 2; the page 3 terminal ; Pages 6 to 21 were not provided, so the package drawing, pin 1 marking and any ordering/packing page"
],
"pages_sent": 5,
"cost_usd": 0.0514,
"at": "2026-10-31T03:49:47"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/03be71a713e70377fc72f8ae4be0b3c3.pdf",
"pages": 21,
"sha256": "28234f2ddfd5160e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "acs709llftr-35bb-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.65,
1.72
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "d2244e3f2eff53b6985f22b8c8a44bb319a1973a6a440b2597d6d67813b09338",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "acs709llftr-35bb-t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"sha256": "0e59ada677fe1d7d26b28991feabc5b9d9077e69e906844e85c776b373170a64",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "LF",
"source_page": 20,
"D": {
"nom_mm": 8.66,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 3.91,
"range_mm": [
null,
null
]
},
"E": {
"nom_mm": 5.99,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.635,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.75,
"range_mm": [
null,
1.75
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "acs709llftr-35bb-t.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}