ACS720KLATR-35AB-T

{
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  "type": "component",
  "slug": "acs720klatr-35ab-t",
  "title": "ACS720KLATR-35AB-T",
  "brief": "Allegro MicroSystems LLC Current Sensors, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "magnetic sensors",
    "acs720klatr-35ab-t",
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  "component": {
    "mpn": "ACS720KLATR-35AB-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918429826473984",
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      "lbr": "acs720klatr-35ab-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C459311",
      "mouser": "250-720KLATR35ABT"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:23:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
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        "pn": "250-720KLATR35ABT",
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    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 1 through 4 are tied together internally as IP+."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 1 through 4 are tied together internally as IP+."
      },
      {
        "number": "3",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 1 through 4 are tied together internally as IP+."
      },
      {
        "number": "4",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 1 through 4 are tied together internally as IP+."
      },
      {
        "number": "5",
        "name": "IP–",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 5 through 8 are tied together internally as IP-."
      },
      {
        "number": "6",
        "name": "IP–",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 5 through 8 are tied together internally as IP-."
      },
      {
        "number": "7",
        "name": "IP–",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 5 through 8 are tied together internally as IP-."
      },
      {
        "number": "8",
        "name": "IP–",
        "type": "passive",
        "description": "Terminal for the current being sensed, fused internally; pins 5 through 8 are tied together internally as IP-."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal for the device."
      },
      {
        "number": "10",
        "name": "FAULT_S",
        "type": "output",
        "description": "Open-drain slow fault output, low true; intended to be pulled up to a compatible MCU voltage by the user."
      },
      {
        "number": "11",
        "name": "FILTER",
        "type": "passive",
        "description": "Add a capacitor to set the output filter pole location (internal filter resistance RF(INT) is 1.7 kΩ typical)."
      },
      {
        "number": "12",
        "name": "VIOUT",
        "type": "output",
        "description": "Analog output signal, 0 to 3 V swing on a 5 V supply with 1.5 V at zero current; output capacitance load CL is limited to 10 nF maximum to GND."
      },
      {
        "number": "13",
        "name": "FAULT_F",
        "type": "output",
        "description": "Open-drain fast fault output, low true; intended to be pulled up to a compatible MCU voltage by the user."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply terminal; operating range 4.5 V to 5.5 V (5.0 V typical), with 6 V absolute maximum."
      },
      {
        "number": "15",
        "name": "VOC_F",
        "type": "input",
        "description": "Sets the trip current level for the fast fault via a user-created resistor divider from VCC."
      },
      {
        "number": "16",
        "name": "VOC_S",
        "type": "input",
        "description": "Sets the trip current level for the slow fault via a user-created resistor divider from VCC."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the pinout only for package suffix LA, described as 16-Pin SOICW (SOIC16 Wide-Bo; Pin 1-4 and 5-8 are internally tied groups in the terminal list; they are listed per pin as printed."
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        "at": "2026-10-19T09:21:45"
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        "pages": 35,
        "sha256": "21cf76f28d33786d",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 16,
        "described": 16,
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      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "SOIC-16-300mil",
      "Category": "Magnetic Sensors",
      "Pins": "16"
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    "appearance": {
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        "quote": "[2] The Allegro evaluation board has 1500 mm2 of 2 oz. copper on each side, connected to pins 1 through 4 and pins 5 through 8, with thermal vias",
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          "source_page": 6,
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          "name": "Fault Pull-Up Resistance",
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          "name": "Filter Voltage",
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          "conditions": "Range K",
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          "name": "Junction Temperature",
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          "name": "Storage Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
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        {
          "name": "Optimized Accuracy Range",
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          "unit": "A",
          "min": -35,
          "typ": null,
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          "conditions": "x35AB variant",
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        {
          "name": "Sensitivity Error",
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          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": 0.6,
          "max": 1.5,
          "conditions": "IP = IPR(max), TA = 25°C to 125°C",
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        {
          "name": "Sensitivity Error",
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          "min": -4,
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          "max": 4,
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          "name": "Offset Voltage",
          "symbol": "VOE",
          "kind": "tolerance",
          "unit": "mV",
          "min": -10,
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          "max": 10,
          "conditions": "IP = 0 A, TA = 25°C to 125°C",
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        {
          "name": "Offset Voltage",
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          "kind": "tolerance",
          "unit": "mV",
          "min": -30,
          "typ": 9,
          "max": 30,
          "conditions": "IP = 0 A, TA = –40°C to 25°C",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Fast Fault Error (positive IP)",
          "symbol": "EFF(HIGH)+",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": 5,
          "max": 10,
          "conditions": "VOC_F = 0.7 × VCC, Positive IP, TA = 25°C",
          "source_page": 9,
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        {
          "name": "Fast Fault Error (negative IP)",
          "symbol": "EFF(HIGH)–",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": 5,
          "max": 10,
          "conditions": "VOC_F = 0.7 × VCC, Negative IP, TA = 25°C",
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        {
          "name": "Fast Fault Error (negative IP)",
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          "kind": "tolerance",
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          "min": -15,
          "typ": 10,
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          "conditions": "VOC_F = 0.7 × VCC, Negative IP, TA = 25°C to 125°C",
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          "name": "Fast Fault Error (positive IP, low trip)",
          "symbol": "EFF(LOW)+",
          "kind": "tolerance",
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          "min": -20,
          "typ": 12,
          "max": 20,
          "conditions": "VOC_F = 0.38 × VCC, Positive IP, TA = 25°C",
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          "name": "Fast Fault Error (negative IP, low trip)",
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          "name": "Fast Fault Error (negative IP, low trip)",
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          "name": "Slow Fault Error (high trip)",
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          "min": -6,
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          "name": "Slow Fault Error (low trip)",
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          "max": 10,
          "conditions": "VOC_S = 0.3 × VCC, IP rising",
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        {
          "name": "Fast Fault Response Time",
          "symbol": "tR(FF)",
          "kind": "timing",
          "unit": "μs",
          "min": null,
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          "max": 2,
          "conditions": "Current step 0 to 1.2 × IFAULT(FAST); RPU = 10 kΩ, 100 pF from FAULT_F to ground",
          "source_page": 9,
          "source": "datasheet"
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          "name": "Junction-to-Ambient Thermal Resistance",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 17,
          "max": null,
          "conditions": "Mounted on Allegro ASEK732/3 evaluation board",
          "source_page": 4,
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        {
          "name": "Junction-to-Lead Thermal Resistance",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "Mounted on Allegro ASEK732/3 evaluation board",
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