TMI9290A

{
  "slug": "tmi9290a",
  "version": "0.1.0",
  "type": "component",
  "description": "TMI Battery Management ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tmi9290a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmi9290a.kicad_sym",
    "tmi9290a.kicad_mod",
    "tmi9290a.glb",
    "tmi9290a.step",
    "tmi9290a.lbr",
    "docs/hero.png",
    "docs/tmi9290a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmi9290a-hero.glb",
    "tmi9290a-hero.overlay.json",
    "tmi9290a-etched.glb"
  ],
  "component": {
    "mpn": "TMI9290A",
    "manufacturer": "TMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3307b7ae8ac11c445185236d2deb74cf.pdf",
    "parts": {
      "symbol": "tmi9290a.kicad_sym",
      "footprint": "tmi9290a.kicad_mod",
      "model_3d": "tmi9290a-hero.glb",
      "model_3d_plain": "tmi9290a-etched.glb",
      "model_3d_step": "tmi9290a-etched.step",
      "model_3d_step_plain": "tmi9290a.step",
      "lbr": "tmi9290a.lbr"
    },
    "distributor_links": {
      "lcsc": "C840563"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T04:02:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet gives no specific voltage or current limit for this pin."
      },
      {
        "number": "2",
        "name": "FBO",
        "type": "bidirectional",
        "description": "Current sink/source feedback node: D+ steps sink 2 μA per step up to a 70 μA maximum at 12 V output, D- steps source 2 μA per step with a 14 μA minimum at 3.6 V output, and absolute maximum voltage is -0.3 to 6.5 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "DM",
        "type": "bidirectional",
        "description": "USB D- data line with a 20 kΩ pull-down resistance (RDM) and absolute maximum voltage of -0.3 to 6.5 V."
      },
      {
        "number": "6",
        "name": "DP",
        "type": "bidirectional",
        "description": "USB D+ data line with a 500 kΩ leakage resistance (RDP) and absolute maximum voltage of -0.3 to 6.5 V."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input with a 3.2 V to 6.4 V operating range, absolute maximum -0.3 to 6.5 V, and an internal shunt clamp at 5.7 V typical; the datasheet recommends RVDD = 2.2 kΩ and CVDD = 470 nF."
      }
    ],
    "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 pin function table gives no electrical type for FBO, DM, or DP; the types shown as bidirectional; The pin configuration diagram on page 3 is garbled in the text extraction, so pin positions were tak"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0285,
        "at": "2026-10-31T04:01:47"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3307b7ae8ac11c445185236d2deb74cf.pdf",
        "pages": 9,
        "sha256": "1bca049f682ff667",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tmi9290a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmi9290a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4b37492beb86aac9d0de8c7f5ad769fe797ec45d1b9be660ba2900d549bfaff2",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP8",
      "source_page": 8,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.7,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.7,
          4.1
        ]
      },
      "E": {
        "nom_mm": 6.2,
        "range_mm": [
          6.0,
          6.4
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tmi9290a.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}