MT9523CT-20BF3

{
  "schema_version": 1,
  "type": "component",
  "slug": "mt9523ct-20bf3",
  "title": "MT9523CT-20BF3",
  "brief": "Magn Tek Current Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "magnetic sensors",
    "mt9523ct-20bf3",
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  "component": {
    "mpn": "MT9523CT-20BF3",
    "manufacturer": "Magn Tek",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905774313467904",
    "parts": {
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      "lbr": "mt9523ct-20bf3.lbr"
    },
    "distributor_links": {
      "lcsc": "C5124629"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:03:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Positive input current terminal: pins 1 and 2 are the entry of the internal low-resistance conductor path (typically 1.0 mΩ), which is electrically isolated from the signal pins 5 to 8 (2.5 kVrms isolation, 1 min)."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Positive input current terminal, internally paired with pin 1; the sensed current flows from pins 1 and 2 through the conductor to pins 3 and 4, and the output has a positive slope for that direction."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Negative input current terminal, internally paired with pin 4; it is the exit of the internal conductor path from pins 1 and 2, and is electrically isolated from the signal pins 5 to 8."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Negative input current terminal, internally paired with pin 3; it is the exit of the internal conductor path from pins 1 and 2, and is electrically isolated from the signal pins 5 to 8."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground reference for the sensor IC, used as the reference for the analog output VOUT and reference output VZCR."
      },
      {
        "number": "6",
        "name": "VZCR",
        "type": "output",
        "description": "Zero-current reference voltage output: it is 0.5×VCC (ratiometric variants, BR/UR) or a fixed 2.5 V / 1.65 V / 0.5 V / 0.33 V (fixed variants, BF/UF), and is used with VOUT for single-ended or differential measurement of the zero-current output."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Analog voltage output that is proportional to the sensed input current, with zero-current output VOQ of 0.5×VCC for bidirectional ratiometric parts (0.1×VCC for unidirectional) or a fixed 2.5 V (bidirectional) / 0.5 V (unidirectional) in fixed-output mode."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, specified for 5.0 V or 3.3 V DC operation (the 3.3 V variant is designated by the \"3\" in the part number)."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table on page 3 lists the pins as IP+ (1,2), IP- (3,4), GND (5), VZCR (6), VOUT (7), VCC (8); Pins 1 and 2 (IP+) and pins 3 and 4 (IP-) share the same function and are internally connected in pa; The MPN MT9523CT-20BF3 (20 A, bidirectional, fixed output, 3.3 V) is not listed explicitly in the vi"
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        "described": 8,
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      "Package": "SOP-8",
      "Category": "Magnetic Sensors",
      "Pins": "8"
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          "typ": 3.3,
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          "kind": "electrical",
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          "conditions": "VZCR to GND",
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        },
        {
          "name": "Nonlinearity error",
          "symbol": "ELIN",
          "kind": "electrical",
          "unit": "%F.S.",
          "min": -1,
          "typ": 0.3,
          "max": 1,
          "conditions": "Full Scale",
          "source_page": 9,
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        },
        {
          "name": "Sensitivity matching of Hall plates (printed ±1 converted to min/max)",
          "symbol": "SNST(match)",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "TA=25°C",
          "source_page": 9,
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        {
          "name": "Input current range",
          "symbol": "IPR",
          "kind": "electrical",
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        {
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          "name": "Reference output error (printed ±20 mV)",
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          "conditions": "TA=-40°C to 25°C",
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        {
          "name": "Zero-current output error VOQ-VZCR (printed ±5 mV)",
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          "name": "Zero-current output error VOQ-VZCR (printed ±20 mV)",
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          "name": "Total output error (printed ±1.5%)",
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          "name": "Total output error (printed ±3.3%)",
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          "name": "Total output error (printed ±2.8%)",
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          "conditions": "IP=20A, TA=25°C to 150°C",
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        {
          "name": "Supply voltage absolute maximum",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
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          "name": "Supply reverse voltage",
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          "name": "Output reverse voltage",
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          "name": "Continuous output source current",
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          "unit": "mA",
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          "name": "Continuous output sink current",
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        {
          "name": "Storage temperature",
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          "unit": "℃",
          "min": -50,
          "typ": null,
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        {
          "name": "Junction temperature",
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          "unit": "℃",
          "min": null,
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          "name": "Sensitivity drift due to aging (printed ±3%)",
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