L9788TR

{
  "slug": "l9788tr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Power Management Specialized - PMIC, LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "l9788tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l9788tr.kicad_sym",
    "l9788tr.kicad_mod",
    "l9788tr.glb",
    "l9788tr.step",
    "l9788tr.lbr",
    "docs/hero.png",
    "docs/l9788tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l9788tr-hero.glb",
    "l9788tr-hero.overlay.json"
  ],
  "component": {
    "mpn": "L9788TR",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Power Supply Chip",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588925414081507328",
    "parts": {
      "symbol": "l9788tr.kicad_sym",
      "footprint": "l9788tr.kicad_mod",
      "model_3d": "l9788tr-hero.glb",
      "model_3d_plain": "l9788tr.glb",
      "model_3d_step": "l9788tr-etched.step",
      "model_3d_step_plain": "l9788tr.step",
      "lbr": "l9788tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156042",
      "digikey": "497-19779-2-ND",
      "mouser": "511-L9788TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T04:18:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19779-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L9788TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FLW_IN_P",
        "type": "power_in",
        "description": "Flying wheel input voltage, positive terminal; the datasheet gives no electrical limits for this pin."
      },
      {
        "number": "2",
        "name": "FLW_IN_N",
        "type": "power_in",
        "description": "Flying wheel input voltage, negative terminal; the datasheet gives no electrical limits for this pin."
      },
      {
        "number": "3",
        "name": "FLW_OUT",
        "type": "output",
        "description": "Flying wheel output voltage (digital output); no electrical limits given."
      },
      {
        "number": "4",
        "name": "LIN_TX",
        "type": "input",
        "description": "LIN data input (transmit path to the LIN driver); no electrical limits given."
      },
      {
        "number": "5",
        "name": "LIN_RX",
        "type": "output",
        "description": "LIN data output (receive path from the LIN driver); no electrical limits given."
      },
      {
        "number": "6",
        "name": "LIN",
        "type": "bidirectional",
        "description": "LIN bus driver output, listed as power in/out; no electrical limits given."
      },
      {
        "number": "7",
        "name": "VB_STBY",
        "type": "power_in",
        "description": "Supply voltage for the standby function; no electrical limits given."
      },
      {
        "number": "8",
        "name": "VSENSE4_MON",
        "type": "input",
        "description": "Monitor analog input for the tracking sensor supply; no electrical limits given."
      },
      {
        "number": "9",
        "name": "Key in",
        "type": "power_in",
        "description": "Key signal input, listed as power in; no electrical limits given."
      },
      {
        "number": "10",
        "name": "Wake in",
        "type": "power_in",
        "description": "Wake-up signal input, listed as power in; no electrical limits given."
      },
      {
        "number": "11",
        "name": "MRD",
        "type": "power_out",
        "description": "Main relay driver output voltage; no electrical limits given."
      },
      {
        "number": "12",
        "name": "INJ3",
        "type": "power_out",
        "description": "Injector driver output voltage; no electrical limits given."
      },
      {
        "number": "13",
        "name": "INJ34_PGND",
        "type": "power_in",
        "description": "Ground for injector drivers 3 and 4."
      },
      {
        "number": "14",
        "name": "INJ4",
        "type": "power_out",
        "description": "Injector driver output voltage; no electrical limits given."
      },
      {
        "number": "15",
        "name": "STR1_DRN",
        "type": "power_out",
        "description": "Configurable high/low side drain voltage for driver 1; no electrical limits given."
      },
      {
        "number": "16",
        "name": "STR1_SRC",
        "type": "power_out",
        "description": "Configurable high/low side source voltage for driver 1; no electrical limits given."
      },
      {
        "number": "17",
        "name": "STR2_SRC",
        "type": "power_out",
        "description": "Configurable high/low side source voltage for driver 2; no electrical limits given."
      },
      {
        "number": "18",
        "name": "STR2_DRN",
        "type": "power_out",
        "description": "Configurable high/low side drain voltage for driver 2; no electrical limits given."
      },
      {
        "number": "19",
        "name": "STR3_DRN",
        "type": "power_out",
        "description": "Configurable high/low side drain voltage for driver 3; no electrical limits given."
      },
      {
        "number": "20",
        "name": "STR3_SRC",
        "type": "power_out",
        "description": "Configurable high/low side source voltage for driver 3; no electrical limits given."
      },
      {
        "number": "21",
        "name": "LED1",
        "type": "power_out",
        "description": "LED driver output voltage; no electrical limits given."
      },
      {
        "number": "22",
        "name": "LED2",
        "type": "power_out",
        "description": "LED driver output voltage; no electrical limits given."
      },
      {
        "number": "23",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "24",
        "name": "WDA",
        "type": "bidirectional",
        "description": "Watchdog input/output."
      },
      {
        "number": "25",
        "name": "RSTN",
        "type": "output",
        "description": "Reset output for VDD5."
      },
      {
        "number": "26",
        "name": "SEO_OUT",
        "type": "output",
        "description": "SEO output pin (digital output)."
      },
      {
        "number": "27",
        "name": "VDD_IO",
        "type": "power_in",
        "description": "Dedicated supply for FLW_OUT, MSC_DO, LIN_RX and CAN_RX; no voltage limits given."
      },
      {
        "number": "28",
        "name": "MSC_DO",
        "type": "output",
        "description": "MSC digital I/O (digital output)."
      },
      {
        "number": "29",
        "name": "INJ_ENA",
        "type": "input",
        "description": "Enable input for the injector drivers."
      },
      {
        "number": "30",
        "name": "EN_N",
        "type": "input",
        "description": "Enable signal input (N side)."
      },
      {
        "number": "31",
        "name": "EN_P",
        "type": "input",
        "description": "Enable signal input (P side)."
      },
      {
        "number": "32",
        "name": "IGN1",
        "type": "power_out",
        "description": "Ignition pre-driver output voltage; no electrical limits given."
      },
      {
        "number": "33",
        "name": "IGN2",
        "type": "power_out",
        "description": "Ignition pre-driver output voltage; no electrical limits given."
      },
      {
        "number": "34",
        "name": "RLY1",
        "type": "power_out",
        "description": "Relay driver output voltage; no electrical limits given."
      },
      {
        "number": "35",
        "name": "RLY2",
        "type": "power_out",
        "description": "Relay driver output voltage; no electrical limits given."
      },
      {
        "number": "36",
        "name": "INJ1",
        "type": "power_out",
        "description": "Injector driver output voltage; no electrical limits given."
      },
      {
        "number": "37",
        "name": "INJ1_PGND",
        "type": "power_in",
        "description": "Ground for injector driver 1."
      },
      {
        "number": "38",
        "name": "INJ2_PGND",
        "type": "power_in",
        "description": "Ground for injector driver 2."
      },
      {
        "number": "39",
        "name": "INJ2",
        "type": "power_out",
        "description": "Injector driver output voltage; no electrical limits given."
      },
      {
        "number": "40",
        "name": "RLY3",
        "type": "power_out",
        "description": "Relay driver output voltage; no electrical limits given."
      },
      {
        "number": "41",
        "name": "RLY4",
        "type": "power_out",
        "description": "Relay driver output voltage; no electrical limits given."
      },
      {
        "number": "42",
        "name": "RLY5",
        "type": "power_out",
        "description": "Relay driver output voltage; no electrical limits given."
      },
      {
        "number": "43",
        "name": "IGN3",
        "type": "power_out",
        "description": "Ignition pre-driver output voltage; no electrical limits given."
      },
      {
        "number": "44",
        "name": "IGN4",
        "type": "power_out",
        "description": "Ignition pre-driver output voltage; no electrical limits given."
      },
      {
        "number": "45",
        "name": "MSC_EN",
        "type": "input",
        "description": "MSC digital I/O enable (digital input)."
      },
      {
        "number": "46",
        "name": "MSC_CK_P",
        "type": "input",
        "description": "MSC clock, positive (digital input)."
      },
      {
        "number": "47",
        "name": "MSC_CK_N",
        "type": "input",
        "description": "MSC clock, negative (digital input)."
      },
      {
        "number": "48",
        "name": "MSC_DI_P",
        "type": "input",
        "description": "MSC data input, positive (digital input)."
      },
      {
        "number": "49",
        "name": "MSC_DI_N",
        "type": "input",
        "description": "MSC data input, negative (digital input)."
      },
      {
        "number": "50",
        "name": "GND1",
        "type": "power_in",
        "description": "Power ground, shorted to GND by the package."
      },
      {
        "number": "51",
        "name": "PRD5_GATE",
        "type": "power_out",
        "description": "Gate voltage output of general purpose pre-driver 5."
      },
      {
        "number": "52",
        "name": "PRD5_DRN",
        "type": "power_in",
        "description": "Feedback voltage input (drain) of general purpose pre-driver 5."
      },
      {
        "number": "53",
        "name": "PRD4_DRN",
        "type": "power_in",
        "description": "Feedback voltage input (drain) of general purpose pre-driver 4."
      },
      {
        "number": "54",
        "name": "PRD4_GATE",
        "type": "power_out",
        "description": "Gate voltage output of general purpose pre-driver 4."
      },
      {
        "number": "55",
        "name": "PRD2_GATE",
        "type": "power_out",
        "description": "Gate voltage output of general purpose pre-driver 2."
      },
      {
        "number": "56",
        "name": "PRD2_DRN",
        "type": "power_in",
        "description": "Feedback voltage input (drain) of general purpose pre-driver 2."
      },
      {
        "number": "57",
        "name": "PRD3_DRN",
        "type": "power_in",
        "description": "Feedback voltage input (drain) of general purpose pre-driver 3."
      },
      {
        "number": "58",
        "name": "PRD3_GATE",
        "type": "power_out",
        "description": "Gate voltage output of general purpose pre-driver 3."
      },
      {
        "number": "59",
        "name": "PRD1_GATE",
        "type": "power_out",
        "description": "Gate voltage output of general purpose pre-driver 1."
      },
      {
        "number": "60",
        "name": "PRD1_DRN",
        "type": "power_in",
        "description": "Feedback voltage input (drain) of general purpose pre-driver 1."
      },
      {
        "number": "61",
        "name": "IGN6",
        "type": "power_out",
        "description": "Ignition pre-driver output voltage; no electrical limits given."
      },
      {
        "number": "62",
        "name": "IGN5",
        "type": "power_out",
        "description": "Ignition pre-driver output voltage; no electrical limits given."
      },
      {
        "number": "63",
        "name": "SOL2",
        "type": "power_out",
        "description": "Valve driver output voltage; no electrical limits given."
      },
      {
        "number": "64",
        "name": "SOL12_PGND",
        "type": "power_in",
        "description": "Ground for valve drivers 1 and 2."
      },
      {
        "number": "65",
        "name": "SOL1",
        "type": "power_out",
        "description": "Valve driver output voltage; no electrical limits given."
      },
      {
        "number": "66",
        "name": "VSENSE3",
        "type": "power_out",
        "description": "5 V tracking sensor supply output voltage."
      },
      {
        "number": "67",
        "name": "VSENSE2",
        "type": "power_out",
        "description": "5 V tracking sensor supply output voltage."
      },
      {
        "number": "68",
        "name": "VSENSE1",
        "type": "power_out",
        "description": "5 V tracking sensor supply output voltage."
      },
      {
        "number": "69",
        "name": "VPRE",
        "type": "power_out",
        "description": "Pre-buck regulator output voltage."
      },
      {
        "number": "70",
        "name": "PDR_GND",
        "type": "power_in",
        "description": "Ground pin for the predriver supply feedback input."
      },
      {
        "number": "71",
        "name": "AD_TEST",
        "type": "output",
        "description": "AD test pin (analog output)."
      },
      {
        "number": "72",
        "name": "VDD5_IN",
        "type": "power_in",
        "description": "5 V regulator feedback voltage input."
      },
      {
        "number": "73",
        "name": "VDD5_GATE",
        "type": "power_out",
        "description": "Pre-driver output for the 5 V linear regulator."
      },
      {
        "number": "74",
        "name": "RSTC",
        "type": "output",
        "description": "Reset output for the VDDIO supply."
      },
      {
        "number": "75",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "76",
        "name": "Boost_G",
        "type": "power_out",
        "description": "Boost low-side gate voltage output."
      },
      {
        "number": "77",
        "name": "VBAT_Sense",
        "type": "power_in",
        "description": "Battery supply voltage sense input."
      },
      {
        "number": "78",
        "name": "VB_IN",
        "type": "power_in",
        "description": "Battery supply voltage input."
      },
      {
        "number": "79",
        "name": "CP",
        "type": "power_out",
        "description": "Charge pump output."
      },
      {
        "number": "80",
        "name": "Buck_C_BST",
        "type": "power_out",
        "description": "Bootstrap capacitor pin for the buck regulator."
      },
      {
        "number": "81",
        "name": "Buck_SW",
        "type": "power_out",
        "description": "Buck switching pin."
      },
      {
        "number": "82",
        "name": "VB_IN_SW",
        "type": "power_in",
        "description": "Buck regulator supply voltage input."
      },
      {
        "number": "83",
        "name": "CURR_Sense_O2H2",
        "type": "output",
        "description": "O2 heater driver 2 output current value (analog output)."
      },
      {
        "number": "84",
        "name": "O2H2_PGNDB",
        "type": "power_in",
        "description": "Ground for O2 heater driver 2, B side."
      },
      {
        "number": "85",
        "name": "O2H2B",
        "type": "power_out",
        "description": "O2 heater driver 2, B output voltage."
      },
      {
        "number": "86",
        "name": "O2H2A",
        "type": "power_out",
        "description": "O2 heater driver 2, A output voltage."
      },
      {
        "number": "87",
        "name": "O2H2_PGNDA",
        "type": "power_in",
        "description": "Ground for O2 heater driver 2, A side."
      },
      {
        "number": "88",
        "name": "O2H1_PGNDB",
        "type": "power_in",
        "description": "Ground for O2 heater driver 1, B side."
      },
      {
        "number": "89",
        "name": "O2H1B",
        "type": "power_out",
        "description": "O2 heater driver 1, B output voltage."
      },
      {
        "number": "90",
        "name": "O2H1A",
        "type": "power_out",
        "description": "O2 heater driver 1, A output voltage."
      },
      {
        "number": "91",
        "name": "O2H1_PGNDA",
        "type": "power_in",
        "description": "Ground for O2 heater driver 1, A side."
      },
      {
        "number": "92",
        "name": "VDD_CAN",
        "type": "power_in",
        "description": "CAN supply, 5 V."
      },
      {
        "number": "93",
        "name": "CURR_Sense_O2H1",
        "type": "output",
        "description": "O2 heater driver 1 output current value (analog output)."
      },
      {
        "number": "94",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CANH bus output (power in/out)."
      },
      {
        "number": "95",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CANL bus output (power in/out)."
      },
      {
        "number": "96",
        "name": "CAN_RX",
        "type": "bidirectional",
        "description": "CAN receive data output (digital in/out)."
      },
      {
        "number": "97",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "98",
        "name": "CAN_TX",
        "type": "input",
        "description": "CAN transmit data input."
      },
      {
        "number": "99",
        "name": "VB_CAN",
        "type": "power_in",
        "description": "CAN enable signal supply input."
      },
      {
        "number": "100",
        "name": "GND_CAN",
        "type": "power_in",
        "description": "CAN ground."
      }
    ],
    "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 datasheet gives no electrical limits per pin in the pin table (Table 2); descriptions state only; Types follow the datasheet's printed classes mapped to KiCad: 'Power In' is kept as power_in even fo; Pin 50 (GND1) is noted in the datasheet as shorted to GND by the package; it is still listed as a se"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0909,
        "at": "2026-10-12T04:17:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588925414081507328",
        "pages": 12,
        "sha256": "ed97c1ea9c8775f2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l9788tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l9788tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5f6cd1d0b957c97e41c55797a44c90d7f73aaae86b07ecb56caf8b02c4d012df",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}