L9908TR

{
  "slug": "l9908tr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Brushless DC (BLDC) Motor Driver, TQFP-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "l9908tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l9908tr.kicad_sym",
    "l9908tr.kicad_mod",
    "l9908tr.glb",
    "l9908tr.step",
    "l9908tr.lbr",
    "docs/hero.png",
    "docs/l9908tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l9908tr-hero.glb",
    "l9908tr-hero.overlay.json"
  ],
  "component": {
    "mpn": "L9908TR",
    "manufacturer": "STMicroelectronics",
    "package": "TQFP-48-EP(7x7)",
    "pin_count": 49,
    "category": "Motor Driver ICs",
    "subcategory": "Brushless DC (BLDC) Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905943930580992",
    "parts": {
      "symbol": "l9908tr.kicad_sym",
      "footprint": "l9908tr.kicad_mod",
      "model_3d": "l9908tr-hero.glb",
      "model_3d_plain": "l9908tr.glb",
      "model_3d_step": "l9908tr-etched.step",
      "model_3d_step_plain": "l9908tr.step",
      "lbr": "l9908tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5269538",
      "digikey": "497-L9908TR-ND",
      "mouser": "511-L9908TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T00:07:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-L9908TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L9908TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NCS",
        "type": "input",
        "description": "SPI Chip Select input, active LOW."
      },
      {
        "number": "2",
        "name": "SCLK",
        "type": "input",
        "description": "SPI Serial Clock input, up to 10 MHz per the 32-bit SPI interface."
      },
      {
        "number": "3",
        "name": "SDI",
        "type": "input",
        "description": "SPI Serial Data input."
      },
      {
        "number": "4",
        "name": "SDO",
        "type": "output",
        "description": "SPI Serial Data output."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "Power supply for digital outputs, specified at 2.5 V to 5.5 V (VIO_MOR)."
      },
      {
        "number": "6",
        "name": "CSO3/PVM",
        "type": "output",
        "description": "Current monitor 3 analog output, also used as phase voltage feedback output."
      },
      {
        "number": "7",
        "name": "CSO2",
        "type": "output",
        "description": "Current monitor 2 analog output."
      },
      {
        "number": "8",
        "name": "CSO1",
        "type": "output",
        "description": "Current monitor 1 analog output."
      },
      {
        "number": "9",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input for internal circuitry and the current monitor analog outputs (CSOn); VDD is the 5 V input from which the 3.3 V internal supply is generated."
      },
      {
        "number": "10",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground for analog, digital and reference circuits; all analog and digital voltages are referenced to SGND."
      },
      {
        "number": "11",
        "name": "EN_BR",
        "type": "input",
        "description": "Bridge Enable input, active HIGH; input low level 0.8 V max, input high level 2 V to 65 V, internal pull-down."
      },
      {
        "number": "12",
        "name": "NDIS",
        "type": "input",
        "description": "Safe switch-off activation input, active LOW; input low level 0.8 V max, input high level 2 V to 65 V, internal pull-down."
      },
      {
        "number": "13",
        "name": "IS3-",
        "type": "input",
        "description": "Current monitor 3 negative differential input; withstands -14 V to 6 V."
      },
      {
        "number": "14",
        "name": "IS3+",
        "type": "input",
        "description": "Current monitor 3 positive differential input; withstands -14 V to 6 V."
      },
      {
        "number": "15",
        "name": "IS2-",
        "type": "input",
        "description": "Current monitor 2 negative differential input; withstands -14 V to 6 V."
      },
      {
        "number": "16",
        "name": "IS2+",
        "type": "input",
        "description": "Current monitor 2 positive differential input; withstands -14 V to 6 V."
      },
      {
        "number": "17",
        "name": "IS1-",
        "type": "input",
        "description": "Current monitor 1 negative differential input; withstands -14 V to 6 V."
      },
      {
        "number": "18",
        "name": "IS1+",
        "type": "input",
        "description": "Current monitor 1 positive differential input; withstands -14 V to 6 V."
      },
      {
        "number": "19",
        "name": "SLS_3",
        "type": "bidirectional",
        "description": "Source connection of the low-side FET, phase 3; withstands -14 V to 95 V on motor connection pins."
      },
      {
        "number": "20",
        "name": "GLS_3",
        "type": "bidirectional",
        "description": "Gate connection of the low-side FET, phase 3, driven by the integrated pre-driver."
      },
      {
        "number": "21",
        "name": "SLS_2",
        "type": "bidirectional",
        "description": "Source connection of the low-side FET, phase 2; withstands -14 V to 95 V on motor connection pins."
      },
      {
        "number": "22",
        "name": "GLS_2",
        "type": "bidirectional",
        "description": "Gate connection of the low-side FET, phase 2, driven by the integrated pre-driver."
      },
      {
        "number": "23",
        "name": "SLS_1",
        "type": "bidirectional",
        "description": "Source connection of the low-side FET, phase 1; withstands -14 V to 95 V on motor connection pins."
      },
      {
        "number": "24",
        "name": "GLS_1",
        "type": "bidirectional",
        "description": "Gate connection of the low-side FET, phase 1, driven by the integrated pre-driver."
      },
      {
        "number": "25",
        "name": "CBS_3",
        "type": "bidirectional",
        "description": "Bootstrap capacitor connection of the high-side driver, phase 3."
      },
      {
        "number": "26",
        "name": "GHS_3",
        "type": "bidirectional",
        "description": "Gate connection of the high-side FET, phase 3, driven by the integrated pre-driver."
      },
      {
        "number": "27",
        "name": "SHS_3",
        "type": "bidirectional",
        "description": "Source connection of the high-side FET, phase 3; withstands -14 V to 95 V on motor connection pins."
      },
      {
        "number": "28",
        "name": "CBS_2",
        "type": "bidirectional",
        "description": "Bootstrap capacitor connection of the high-side driver, phase 2."
      },
      {
        "number": "29",
        "name": "GHS_2",
        "type": "bidirectional",
        "description": "Gate connection of the high-side FET, phase 2, driven by the integrated pre-driver."
      },
      {
        "number": "30",
        "name": "SHS_2",
        "type": "bidirectional",
        "description": "Source connection of the high-side FET, phase 2; withstands -14 V to 95 V on motor connection pins."
      },
      {
        "number": "31",
        "name": "CBS_1",
        "type": "bidirectional",
        "description": "Bootstrap capacitor connection of the high-side driver, phase 1."
      },
      {
        "number": "32",
        "name": "GHS_1",
        "type": "bidirectional",
        "description": "Gate connection of the high-side FET, phase 1, driven by the integrated pre-driver."
      },
      {
        "number": "33",
        "name": "SHS_1",
        "type": "bidirectional",
        "description": "Source connection of the high-side FET, phase 1; withstands -14 V to 95 V on motor connection pins."
      },
      {
        "number": "34",
        "name": "VDH",
        "type": "power_in",
        "description": "Drain connection of the high-side FETs and motor supply input; motor supply range 4.5 V to 75 V."
      },
      {
        "number": "35",
        "name": "CP2P",
        "type": "bidirectional",
        "description": "Charge pump 2 positive terminal of the fly capacitor."
      },
      {
        "number": "36",
        "name": "CP2M",
        "type": "bidirectional",
        "description": "Charge pump 2 negative terminal of the fly capacitor."
      },
      {
        "number": "37",
        "name": "VBP",
        "type": "power_in",
        "description": "Pre-regulation stage power supply for the gate driver supply."
      },
      {
        "number": "38",
        "name": "CP1M",
        "type": "bidirectional",
        "description": "Charge pump 1 negative terminal of the fly capacitor."
      },
      {
        "number": "39",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for charge pump 1 and charge pump 2."
      },
      {
        "number": "40",
        "name": "CP1P",
        "type": "bidirectional",
        "description": "Charge pump 1 positive terminal of the fly capacitor."
      },
      {
        "number": "41",
        "name": "VPRE",
        "type": "bidirectional",
        "description": "Pre-regulated voltage used for high-side and low-side FET Vgs driving."
      },
      {
        "number": "42",
        "name": "INH3",
        "type": "input",
        "description": "PWM command for high-side FET, phase 3 (active HIGH)."
      },
      {
        "number": "43",
        "name": "INH2",
        "type": "input",
        "description": "PWM command for high-side FET, phase 2 (active HIGH)."
      },
      {
        "number": "44",
        "name": "INH1",
        "type": "input",
        "description": "PWM command for high-side FET, phase 1 (active HIGH)."
      },
      {
        "number": "45",
        "name": "INL3",
        "type": "input",
        "description": "PWM command for low-side FET, phase 3 (active HIGH)."
      },
      {
        "number": "46",
        "name": "INL2",
        "type": "input",
        "description": "PWM command for low-side FET, phase 2 (active HIGH)."
      },
      {
        "number": "47",
        "name": "INL1",
        "type": "input",
        "description": "PWM command for low-side FET, phase 1 (active HIGH)."
      },
      {
        "number": "48",
        "name": "FS_FLAG",
        "type": "output",
        "description": "Fault status flag output, active LOW."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 Exposed Pad (listed as 'Exp. PAD' in Table 1) is not a numbered pin and was omitted from pins. D; Pin descriptions are condensed to one sentence each. Voltage limits were added only where the datash; The datasheet lists the package as TQFP48 (7x7x1 mm exposed pad down), and the pinout matches the L9",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0953,
        "at": "2026-10-08T00:07:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905943930580992",
        "pages": 153,
        "sha256": "0427a2705aa0fbf9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l9908tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.32,
          9.32,
          1.6
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b180586f3ee58503076782c9a1fc7102515fb0ece2d21b2fcfad5a1e2aa3df64",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l9908tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.32,
          9.32,
          1.6
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a401cdcf3039eea3f79ee1ef333a09409b1db4d634cc0ca1918241f6e04b2bc3",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}