TMCS1123B1AQDVGR - Isolated Hall-Effect Current Sensor

{
  "slug": "tmcs1123b1aqdvgr",
  "version": "0.1.0",
  "type": "hardware",
  "kind": "component",
  "org": "adom",
  "title": "TMCS1123B1AQDVGR - Isolated Hall-Effect Current Sensor",
  "brief": "Texas Instruments TMCS1123B1AQDVGR: isolated Hall-effect current sensor, 25 mV/A with a 1.65 V zero-current output (linear +-62 A at 3.3 V), 80 A RMS continuous, 250 kHz, overcurrent detection, reinforced isolation, SOIC-10 wide body (DVG). KiCad, Fusion and Altium libraries, 3D model and datasheet.",
  "description": "Texas Instruments TMCS1123B1AQDVGR: galvanically isolated Hall-effect current sensor, B1A option (25 mV/A, 1.65 V zero-current output, linear +-62 A at VS = 3.3 V), 0.7 mOhm conductor, 80 A RMS continuous on TI's EVM, 250 kHz bandwidth, overcurrent comparator and diagnostics outputs, 5 kV RMS isolation, SOIC-10 wide body (DVG0010A, 7.5 x 10.3 mm).",
  "license": "CC-BY-4.0",
  "tags": [
    "component",
    "ic",
    "sensor",
    "current-sensor",
    "hall-effect",
    "isolated",
    "texas-instruments",
    "soic-10",
    "dvg"
  ],
  "discovery_triggers": [
    "TMCS1123B1AQDVGR",
    "TMCS1123B1A",
    "TMCS1123",
    "TMCS1123B1AQDVGR current sensor",
    "isolated Hall current sensor SOIC-10"
  ],
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "visibility": {
    "public": true
  },
  "component": {
    "mpn": "TMCS1123B1AQDVGR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-10 wide body (TI DVG0010A, 7.5 x 10.3 mm body, 2 current leads + 8 signal leads at 1.27 mm)",
    "pin_count": 10,
    "category": "Sensors",
    "subcategory": "Isolated Hall-effect current sensor",
    "lifecycle": "Active",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tmcs1123.pdf",
    "product_page": "https://www.ti.com/product/TMCS1123",
    "body_size": {
      "x_mm": 7.5,
      "y_mm": 10.3,
      "z_mm": 2.65,
      "pitch_mm": 1.27
    },
    "parts": {
      "symbol": "tmcs1123b1aqdvgr.kicad_sym",
      "footprint": "tmcs1123b1aqdvgr.kicad_mod",
      "model_3d": "tmcs1123b1aqdvgr-hero.glb",
      "model_3d_plain": "tmcs1123b1aqdvgr-etched.glb",
      "model_3d_step": "tmcs1123b1aqdvgr-etched.step",
      "model_3d_step_plain": "tmcs1123b1aqdvgr.step",
      "step": "tmcs1123b1aqdvgr-etched.step",
      "lbr": "tmcs1123b1aqdvgr.lbr",
      "datasheet": "docs/tmcs1123b1aqdvgr-datasheet.pdf"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "viewer_3d": {
      "ground": false,
      "animate": false,
      "shadows": false,
      "tooltips": "authored"
    },
    "models": "models.json",
    "lod": "lod/manifest.json",
    "verification": "verification.json",
    "marking": {
      "lines": [
        "TMCS1123",
        "B1AQDVGR"
      ],
      "virtual": true,
      "note": "Virtual identification mark (the orderable MPN), not TI's real top marking. TI marks this part 1123B1A (SBOSA24D p.40, Part marking column).",
      "surface": "top",
      "colour": "light on black epoxy",
      "gate": "PASS",
      "provenance": "provenance/3d-model.json"
    },
    "variants": "README.md#variants",
    "pins": [
      {
        "number": "1",
        "name": "IN+",
        "type": "passive",
        "group": "Primary side",
        "description": "Input current positive pin: one end of the 0.7 mOhm internal conductor (SBOSA24D p.4, Table 5-1; RIN p.8). Current flowing from IN+ to IN- gives a positive output change. This pin is on the primary (high-voltage) side of the isolation barrier."
      },
      {
        "number": "2",
        "name": "IN-",
        "type": "passive",
        "group": "Primary side",
        "description": "Input current negative pin: the other end of the internal conductor (p.4, Table 5-1). Primary (high-voltage) side of the isolation barrier."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "group": "Supply",
        "description": "Ground of the isolated low-voltage side (p.4, Table 5-1)."
      },
      {
        "number": "4",
        "name": "ALERT",
        "type": "open_collector",
        "group": "Overcurrent",
        "description": "Sensor diagnostics output: open-drain, active low, 8 kHz PWM whose duty cycle reports thermal and sensor alerts (p.4; p.9; p.28). Connect to GND if not used."
      },
      {
        "number": "5",
        "name": "VREF",
        "type": "output",
        "group": "Analog output",
        "description": "Zero-current output voltage reference (1.65 V on BxA parts), for ratiometric or differential measurement of VOUT. Leave floating if not used (p.4; p.9)."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "group": "Analog output",
        "description": "Output voltage: VOUT = VREF + S x IIN, linear from 100 mV to VS - 100 mV (p.4; p.24 Eq. 18 to 21). B1A: S = 25 mV/A, zero-current output 1.65 V."
      },
      {
        "number": "7",
        "name": "OC",
        "type": "open_collector",
        "group": "Overcurrent",
        "description": "Overcurrent output, open-drain, active low. Needs a pull-up. Connect to GND if not used (p.4, Table 5-1)."
      },
      {
        "number": "8",
        "name": "VS",
        "type": "power_in",
        "group": "Supply",
        "description": "Power supply, 3.0 V to 5.5 V (p.4; p.5 recommended operating conditions). Decouple to GND with 0.1 uF placed close to the pin (p.35)."
      },
      {
        "number": "9",
        "name": "VOC",
        "type": "input",
        "group": "Overcurrent",
        "description": "Overcurrent threshold input: VOC = S x IOC / 2.5, 0.3 V to VS, 120 kOhm input impedance. Connect to VS if not used (p.4; p.9; p.25)."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "no_connect",
        "group": "Reserved",
        "description": "Reserved. The datasheet allows it to be connected to GND or left floating (p.4, Table 5-1). Typed no-connect; tying it to GND is permitted by TI but will need an ERC waiver."
      }
    ],
    "distributor_links": {
      "mouser": {
        "part": "595-TMCS1123B1AQDVGR",
        "url": "https://www.mouser.com/en/ProductDetail/Texas-Instruments/TMCS1123B1AQDVGR?qs=mELouGlnn3fnFoesX7xpgA%3D%3D",
        "stock": 0,
        "lead_time": "140 days",
        "checked": "2026-10-21"
      },
      "digikey": {
        "part": "296-TMCS1123B1AQDVGRTR-ND",
        "url": "https://www.digikey.com/en/products/detail/texas-instruments/TMCS1123B1AQDVGR/22168027",
        "stock": 0,
        "checked": "2026-10-21"
      },
      "lcsc": false,
      "lcsc_note": "2026-10-21: adom-parts-search found no JLCPCB/LCSC listing for TMCS1123B1AQDVGR (0 hits); lcsc.com refused a plain request."
    },
    "provenance": {
      "datasheet": {
        "doc": "TI SBOSA24D (July 2023, revised May 2026)",
        "file": "docs/tmcs1123b1aqdvgr-datasheet.pdf",
        "sha256": "66bab03ec907cb658ebf1b379dff4bdc75dffe13ffab3acd8247fc3faee70cce",
        "pages": 48
      },
      "model_3d": "provenance/3d-model.json",
      "footprint": "provenance/footprint-check.json"
    }
  },
  "dependencies": {},
  "eda_assets": {
    "kicad": {
      "symbol": "tmcs1123b1aqdvgr.kicad_sym",
      "footprint": "tmcs1123b1aqdvgr.kicad_mod",
      "model": "tmcs1123b1aqdvgr-etched.step",
      "provenance": "authored"
    },
    "fusion": {
      "lbr": "tmcs1123b1aqdvgr.lbr",
      "provenance": "authored"
    },
    "altium": {
      "schlib": "altium/TMCS1123B1AQDVGR.SchLib",
      "pcblib": "altium/TMCS1123B1AQDVGR.PcbLib",
      "provenance": "authored"
    }
  },
  "source": {
    "tool": "texas-instruments",
    "url": "https://www.ti.com/product/TMCS1123"
  }
}