NCP81161MNTBG

{
  "slug": "ncp81161mntbg",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Gate Drivers, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "ncp81161mntbg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ncp81161mntbg.kicad_sym",
    "ncp81161mntbg.kicad_mod",
    "ncp81161mntbg.glb",
    "ncp81161mntbg.step",
    "ncp81161mntbg.lbr",
    "docs/hero.png",
    "docs/ncp81161mntbg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ncp81161mntbg-hero.glb",
    "ncp81161mntbg-hero.overlay.json",
    "ncp81161mntbg-etched.glb"
  ],
  "component": {
    "mpn": "NCP81161MNTBG",
    "manufacturer": "onsemi",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588931259439857664",
    "parts": {
      "symbol": "ncp81161mntbg.kicad_sym",
      "footprint": "ncp81161mntbg.kicad_mod",
      "model_3d": "ncp81161mntbg-hero.glb",
      "model_3d_plain": "ncp81161mntbg-etched.glb",
      "model_3d_step": "ncp81161mntbg-etched.step",
      "model_3d_step_plain": "ncp81161mntbg.step",
      "lbr": "ncp81161mntbg.lbr"
    },
    "distributor_links": {
      "lcsc": "C603811",
      "digikey": "NCP81161MNTBGOSTR-ND",
      "mouser": "863-NCP81161MNTBG"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:32:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP81161MNTBGOSTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "863-NCP81161MNTBG",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "power_out",
        "description": "Floating bootstrap supply for the high-side gate driver, with the bootstrap capacitor connected between BST and SW; BST is rated 35 V wrt GND (40 V for up to 50 ns) and 15 V wrt SW."
      },
      {
        "number": "2",
        "name": "PWM",
        "type": "input",
        "description": "Three-state PWM control input (Low = low-side FET enabled, Mid = diode emulation enabled, High = high-side FET enabled), with Low ≤ 0.7 V, Mid 1.3 V to 2.7 V, High ≥ 3.4 V, and an absolute maximum of 6.5 V."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "bidirectional",
        "description": "Logic enable input (high enables the part, low disables it) with VIH ≥ 2.0 V and VIL ≤ 1.0 V and a 6.5 V absolute maximum, which also carries a fault signal back to the controller on OVP/UVLO/POR faults."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply input with 4.5 V to 13.2 V operating range and a 15 V absolute maximum; connect a bypass capacitor (printed as 0.1 F in the source text) from this pin to ground."
      },
      {
        "number": "5",
        "name": "DRVL",
        "type": "output",
        "description": "Low-side gate drive output for the low-side MOSFET gate, rated from -0.3 V DC (-5 V for under 200 ns) up to VCC + 0.3 V."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Bias and reference ground to which all signals are referenced; the datasheet labels this pin as the QFN flag and requires the driver GND to be placed close to the low-side MOSFET source."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "passive",
        "description": "Switch node connected to the high-side MOSFET source and low-side MOSFET drain and serving as the bootstrap supply return; rated 35 V DC (40 V for up to 50 ns), -5 V DC (-10 V for 200 ns)."
      },
      {
        "number": "8",
        "name": "DRVH",
        "type": "output",
        "description": "High-side gate drive output for the high-side MOSFET gate, rated from -0.3 V wrt SW (-2 V for under 200 ns) up to BST + 0.3 V."
      },
      {
        "number": "9",
        "name": "FLAG",
        "type": "unconnected",
        "description": "Thermal flag (exposed pad) with no electrical connection to the IC, to be connected to the ground plane for heat dissipation."
      }
    ],
    "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: Pin numbering follows Table 1 (Pin No. column) since the Figure 1 pin diagram text does not print th; Table 1 labels GND (pin 6) as the 'QFN Flag' while pin 9 is the labelled FLAG thermal pad with no el; The bypass capacitor value in the VCC description is printed as '0.1 F' in the extracted text; the m"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0599,
        "at": "2026-10-19T03:30:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588931259439857664",
        "pages": 9,
        "sha256": "f4c60cab1756ec0d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ncp81161mntbg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncp81161mntbg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
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          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5d8d748fef3af88e6f486ae9a11551e3ce00f5cfd2a7ebbfaa0edd2ded6ddbc3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}