L9945TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "l9945tr",
  "title": "L9945TR",
  "brief": "STMicroelectronics Power Management - Specialized, TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "l9945tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L9945TR",
    "manufacturer": "STMicroelectronics",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.st.com/resource/en/datasheet/l9945tr.pdf",
    "parts": {
      "symbol": "l9945tr.kicad_sym",
      "footprint": "l9945tr.kicad_mod",
      "model_3d": "l9945tr-hero.glb",
      "model_3d_plain": "l9945tr-etched.glb",
      "model_3d_step": "l9945tr-etched.step",
      "model_3d_step_plain": "l9945tr.step",
      "lbr": "l9945tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156048",
      "digikey": "497-18911-2-ND",
      "mouser": "511-L9945TR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T21:31:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18911-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-L9945TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NON1",
        "type": "input",
        "description": "Output 1 ON-OFF signal (NPWM signal for H-Bridge 1); digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "2",
        "name": "NON2",
        "type": "input",
        "description": "Output 2 ON-OFF signal (DIR signal for H-Bridge 1); digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "3",
        "name": "NON3",
        "type": "input",
        "description": "Output 3 ON-OFF signal (HIZ signal for H-Bridge 1); digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "4",
        "name": "NON4",
        "type": "input",
        "description": "Output 4 ON-OFF signal; digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "5",
        "name": "NON5",
        "type": "input",
        "description": "Output 5 ON-OFF signal (NPWM signal for H-Bridge 2); digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "6",
        "name": "NON6",
        "type": "input",
        "description": "Output 6 ON-OFF signal (DIR signal for H-Bridge 2); digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "7",
        "name": "NON7",
        "type": "input",
        "description": "Output 7 ON-OFF signal (HIZ signal for H-Bridge 2); digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "8",
        "name": "NON8",
        "type": "input",
        "description": "Output 8 ON-OFF signal; digital input with pull-up, active low, 2 kV HBM ESD."
      },
      {
        "number": "9",
        "name": "VIO",
        "type": "power_in",
        "description": "Supply voltage for SDO, must be connected to the same supply as the master SPI device; VIO range -0.3 to 40 V per Table 2."
      },
      {
        "number": "10",
        "name": "SDO",
        "type": "output",
        "description": "SPI data out; requires an external pull-down resistor in the 10k to 47k range vs GNDIO."
      },
      {
        "number": "11",
        "name": "GNDIO",
        "type": "power_in",
        "description": "Ground for SPI, must be shorted to GNDCP."
      },
      {
        "number": "12",
        "name": "NRES",
        "type": "input",
        "description": "Reset input, must be connected to ECU reset; active low with pull-up and 2 kV HBM ESD."
      },
      {
        "number": "13",
        "name": "NCS",
        "type": "input",
        "description": "SPI chip select, pull-up, active low."
      },
      {
        "number": "14",
        "name": "SDI",
        "type": "input",
        "description": "SPI data in with pull-up."
      },
      {
        "number": "15",
        "name": "SCK",
        "type": "input",
        "description": "SPI clock with pull-up."
      },
      {
        "number": "16",
        "name": "DIS",
        "type": "input",
        "description": "Disable input, must be connected to the external microcontroller to allow disabling of outputs 1-6; pull-up, active high."
      },
      {
        "number": "17",
        "name": "DRN8",
        "type": "input",
        "description": "FET drain on channel 8; ESD ±4 kV HBM."
      },
      {
        "number": "18",
        "name": "GNSP8",
        "type": "output",
        "description": "NFET gate / PFET source on channel 8; ESD ±4 kV HBM."
      },
      {
        "number": "19",
        "name": "SNGP8",
        "type": "output",
        "description": "NFET source / PFET gate on channel 8; ESD ±4 kV HBM."
      },
      {
        "number": "20",
        "name": "BATT78",
        "type": "power_in",
        "description": "Battery supply for channels 7 and 8; BATTxx range -1 to 60 V per Table 2."
      },
      {
        "number": "21",
        "name": "SNGP7",
        "type": "output",
        "description": "NFET source / PFET gate on channel 7; ESD ±4 kV HBM."
      },
      {
        "number": "22",
        "name": "GNSP7",
        "type": "output",
        "description": "NFET gate / PFET source on channel 7; ESD ±4 kV HBM."
      },
      {
        "number": "23",
        "name": "DRN7",
        "type": "input",
        "description": "FET drain on channel 7; ESD ±4 kV HBM."
      },
      {
        "number": "24",
        "name": "PGND78",
        "type": "power_in",
        "description": "Power ground for channels 7 and 8; ground voltage range -0.3 to 0.3 V per Table 2."
      },
      {
        "number": "25",
        "name": "PGND56",
        "type": "power_in",
        "description": "Power ground for channels 5 and 6; ground voltage range -0.3 to 0.3 V per Table 2."
      },
      {
        "number": "26",
        "name": "DRN6",
        "type": "input",
        "description": "FET drain on channel 6; ESD ±4 kV HBM."
      },
      {
        "number": "27",
        "name": "GNSP6",
        "type": "output",
        "description": "NFET gate / PFET source on channel 6; ESD ±4 kV HBM."
      },
      {
        "number": "28",
        "name": "SNGP6",
        "type": "output",
        "description": "NFET source / PFET gate on channel 6; ESD ±4 kV HBM."
      },
      {
        "number": "29",
        "name": "BATT56",
        "type": "power_in",
        "description": "Battery supply for channels 5 and 6; BATTxx range -1 to 60 V per Table 2."
      },
      {
        "number": "30",
        "name": "SNGP5",
        "type": "output",
        "description": "NFET source / PFET gate on channel 5; ESD ±4 kV HBM."
      },
      {
        "number": "31",
        "name": "GNSP5",
        "type": "output",
        "description": "NFET gate / PFET source on channel 5; ESD ±4 kV HBM."
      },
      {
        "number": "32",
        "name": "DRN5",
        "type": "input",
        "description": "FET drain on channel 5; ESD ±4 kV HBM."
      },
      {
        "number": "33",
        "name": "RESERVED",
        "type": "unconnected",
        "description": "Reserved pin; leave floating."
      },
      {
        "number": "34",
        "name": "RESERVED",
        "type": "unconnected",
        "description": "Reserved pin; leave floating."
      },
      {
        "number": "35",
        "name": "VDD5",
        "type": "power_in",
        "description": "5 V input (usually output of external regulator); operating range 4.5 V to 5.5 V."
      },
      {
        "number": "36",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; ground voltage range -0.3 to 0.3 V per Table 2."
      },
      {
        "number": "37",
        "name": "GNDCP",
        "type": "power_in",
        "description": "Ground for charge pump, must be shorted to GNDIO."
      },
      {
        "number": "38",
        "name": "VGBHI",
        "type": "power_out",
        "description": "Charge pump output (battery + 12 V), connected to VPS through a tank capacitor; VGBHI-VPS max 20 V."
      },
      {
        "number": "39",
        "name": "CH4",
        "type": "bidirectional",
        "description": "2nd node for flying capacitor 2 of the charge pump."
      },
      {
        "number": "40",
        "name": "CH2",
        "type": "bidirectional",
        "description": "2nd node for flying capacitor 1 of the charge pump."
      },
      {
        "number": "41",
        "name": "CH3",
        "type": "bidirectional",
        "description": "1st node for flying capacitor 2 of the charge pump."
      },
      {
        "number": "42",
        "name": "VPS",
        "type": "power_in",
        "description": "Battery input used to supply the charge pump; static VPS range -1 to 60 V per Table 2."
      },
      {
        "number": "43",
        "name": "CH1",
        "type": "bidirectional",
        "description": "1st node for flying capacitor 1 of the charge pump."
      },
      {
        "number": "44",
        "name": "RESERVED",
        "type": "input",
        "description": "Reserved pin; tie low."
      },
      {
        "number": "45",
        "name": "NDIS",
        "type": "bidirectional",
        "description": "Negated disable input/output; can act as a negated disable input or as an interrupt output to the microcontroller when pulled down; pull-down, active low."
      },
      {
        "number": "46",
        "name": "RESERVED",
        "type": "unconnected",
        "description": "Reserved pin; leave floating."
      },
      {
        "number": "47",
        "name": "EN6",
        "type": "input",
        "description": "Output 6 enable, used to enable the output driver for safety relevant load control; pull-down, active high."
      },
      {
        "number": "48",
        "name": "RESERVED",
        "type": "unconnected",
        "description": "Reserved pin; leave floating."
      },
      {
        "number": "49",
        "name": "DRN4",
        "type": "input",
        "description": "FET drain on channel 4; ESD ±4 kV HBM."
      },
      {
        "number": "50",
        "name": "GNSP4",
        "type": "output",
        "description": "NFET gate / PFET source on channel 4; ESD ±4 kV HBM."
      },
      {
        "number": "51",
        "name": "SNGP4",
        "type": "output",
        "description": "NFET source / PFET gate on channel 4; ESD ±4 kV HBM."
      },
      {
        "number": "52",
        "name": "BATT34",
        "type": "power_in",
        "description": "Battery supply for channels 3 and 4; BATTxx range -1 to 60 V per Table 2."
      },
      {
        "number": "53",
        "name": "SNGP3",
        "type": "output",
        "description": "NFET source / PFET gate on channel 3; ESD ±4 kV HBM."
      },
      {
        "number": "54",
        "name": "GNSP3",
        "type": "output",
        "description": "NFET gate / PFET source on channel 3; ESD ±4 kV HBM."
      },
      {
        "number": "55",
        "name": "DRN3",
        "type": "input",
        "description": "FET drain on channel 3; ESD ±4 kV HBM."
      },
      {
        "number": "56",
        "name": "PGND34",
        "type": "power_in",
        "description": "Power ground for channels 3 and 4; ground voltage range -0.3 to 0.3 V per Table 2."
      },
      {
        "number": "57",
        "name": "PGND12",
        "type": "power_in",
        "description": "Power ground for channels 1 and 2; ground voltage range -0.3 to 0.3 V per Table 2."
      },
      {
        "number": "58",
        "name": "DRN2",
        "type": "input",
        "description": "FET drain on channel 2; ESD ±4 kV HBM."
      },
      {
        "number": "59",
        "name": "GNSP2",
        "type": "output",
        "description": "NFET gate / PFET source on channel 2; ESD ±4 kV HBM."
      },
      {
        "number": "60",
        "name": "SNGP2",
        "type": "output",
        "description": "NFET source / PFET gate on channel 2; ESD ±4 kV HBM."
      },
      {
        "number": "61",
        "name": "BATT12",
        "type": "power_in",
        "description": "Battery supply for channels 1 and 2; BATTxx range -1 to 60 V per Table 2."
      },
      {
        "number": "62",
        "name": "SNGP1",
        "type": "output",
        "description": "NFET source / PFET gate on channel 1; ESD ±4 kV HBM."
      },
      {
        "number": "63",
        "name": "GNSP1",
        "type": "output",
        "description": "NFET gate / PFET source on channel 1; ESD ±4 kV HBM."
      },
      {
        "number": "64",
        "name": "DRN1",
        "type": "input",
        "description": "FET drain on channel 1; ESD ±4 kV HBM."
      }
    ],
    "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 on the underside of the TQFP64 package is not a numbered pin in Table 1 and is omitt; Pins 33, 34, 46 and 48 are RESERVED and marked 'Leave floating' in Table 1, so they are typed unconn"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0464,
        "at": "2026-11-05T21:31:05"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/l9945tr.pdf",
        "pages": 151,
        "sha256": "9d46fef15bb11d30",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l9945tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l9945tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acd46f0be4a21698b5277d92654c980f9085717a6e2fdc3c674423428b416dbb",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TQFP-64(10x10)",
      "Category": "Power Management (PMIC)",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9d46fef15bb11d3092182b1c905b675aebf07aff3f93fde19ac2d8914c166850",
      "rows": [
        {
          "name": "VDD5 voltage range",
          "symbol": "VDD5",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Static VPS voltage range",
          "symbol": "VVPS_sta",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 60,
          "conditions": "Ext. HS, Static; Max voltage: VGBHI – VPS = 20 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Dynamic VPS voltage range",
          "symbol": "VVPS_dyn",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2,
          "typ": null,
          "max": 60,
          "conditions": "Dynamic; 2 ms test pulse",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Leakage on pin VPS",
          "symbol": "IPS_leak",
          "kind": "absolute_maximum",
          "unit": "µA",
          "min": 0,
          "typ": null,
          "max": 20,
          "conditions": "POR or NRES active; VPS = [0 – 36] V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "VGBHI voltage range (Ch. Pump)",
          "symbol": "VGBHI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 80,
          "conditions": "Max voltage: VGBHI – VPS = 20 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "VIO voltage range",
          "symbol": "VVIO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "Supply for SDO",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "SNGPx voltage range",
          "symbol": "VSNGPx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -14,
          "typ": null,
          "max": 60,
          "conditions": "Max voltage: GNSPx - SNGPx = 20 V (in all conditions); BATTxx – SNGPx ≥ 0 V (When DSM is used for OC detection)",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "GNSPx voltage range",
          "symbol": "VGNSPx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -14,
          "typ": null,
          "max": 80,
          "conditions": "Max voltage: GNSPx - SNGPx = 20 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "DRNx voltage range",
          "symbol": "VDRNx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "BATTxx voltage range",
          "symbol": "VBATTxx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 60,
          "conditions": "Max voltage: BATTxx – SNGPx ≥ 0 V; When DSM is used for OC detection",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Ground voltage range",
          "symbol": "VGND_PINS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "CH1 & CH3",
          "symbol": "VCH1&3",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "CH2 & CH4",
          "symbol": "VCH2&4",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 80,
          "conditions": "CH2 - VPS = 20 V; CH4 - CH2 = 20 V; VGBHI - CH4 = 20 V",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Digital HV input voltage range",
          "symbol": "VDIG_IO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "SDO and NDIS have to withstand this voltage also in ON-condition",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Operating / Lifetime junction temperature",
          "symbol": "Tj_op",
          "kind": "thermal",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Lifetime guaranteed",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "thermal",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "-55 °C is allowed for a maximum of 15h",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Over temperature comparator threshold",
          "symbol": "TOT_OFF",
          "kind": "thermal",
          "unit": "°C",
          "min": 165,
          "typ": null,
          "max": 190,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case",
          "symbol": "Rth_j_c",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 2.4,
          "conditions": "Values are according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "Rth_j_a",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "VPS operational supply range",
          "symbol": "VVPS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": 36,
          "conditions": "Operational",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VPS load dump",
          "symbol": "VVPS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "Load dump (< 500 ms)",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VPS supply for 15 min",
          "symbol": "VVPS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 48,
          "conditions": "For 15 min at 45 °C",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VDD5 supply range",
          "symbol": "VVDD5",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "Supply for internal digital, analog and SPI (except SDO) Tj = Tj_op",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VIO supply range",
          "symbol": "VVIO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "Supply for SPI pin SDO Tj = Tj_op",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VDD5 operating mode current",
          "symbol": "IVDD5_opm",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 35,
          "conditions": "All outputs controlled ON",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 current in case of overvoltage",
          "symbol": "IVDD5OV",
          "kind": "electrical",
          "unit": "mA",
          "min": 8,
          "typ": null,
          "max": 40,
          "conditions": "5.5 V < VDD5 ≤ 36 V",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 UV threshold",
          "symbol": "VVDD5_UV",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 4.7,
          "conditions": "Undervoltage",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 UV hysteresis",
          "symbol": "VVDD5_UV_HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 10,
          "typ": null,
          "max": 50,
          "conditions": "VVDD5_UV",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 overvoltage disable threshold",
          "symbol": "VVDD5_OV",
          "kind": "electrical",
          "unit": "V",
          "min": 5.3,
          "typ": null,
          "max": 5.5,
          "conditions": "Self-checked by HWSC",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "POR release threshold",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 4.15,
          "typ": null,
          "max": 4.45,
          "conditions": "Related to VDD5",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "POR hysteresis",
          "symbol": "VPOR_HYS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.15,
          "typ": null,
          "max": 0.25,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 undervoltage filter time",
          "symbol": "tVDD5_UV1",
          "kind": "timing",
          "unit": "ms",
          "min": 2,
          "typ": 2.6,
          "max": 3.25,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 overvoltage filter time",
          "symbol": "tVDD5_OV",
          "kind": "timing",
          "unit": "ms",
          "min": 2,
          "typ": 2.6,
          "max": 3.25,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VDD5 under voltage filter time for NDIS activation",
          "symbol": "tVDD5_UV2",
          "kind": "timing",
          "unit": "ms",
          "min": 415,
          "typ": 500,
          "max": 625,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "POR RESET delay time",
          "symbol": "tPOR_D",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": 50,
          "conditions": "POR delay at startup of VDD5",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "VPS operating mode current",
          "symbol": "IVPS_OPM",
          "kind": "electrical",
          "unit": "mA",
          "min": 3,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "VPS low battery detection threshold",
          "symbol": "VVPS_UV",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 3.8,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Filter time for VPS low battery detection",
          "symbol": "tLBD_FIL",
          "kind": "timing",
          "unit": "µs",
          "min": 0.5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "VVPS accuracy",
          "symbol": "VPS_ACC",
          "kind": "tolerance",
          "unit": "mV",
          "min": -400,
          "typ": null,
          "max": 400,
          "conditions": "3.5 V < VVPS < 12 V",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "VVPS accuracy",
          "symbol": "VPS_ACC",
          "kind": "tolerance",
          "unit": "%",
          "min": -3.3,
          "typ": null,
          "max": 3.3,
          "conditions": "12 V < VVPS < 48 V",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "VPS ADC input range",
          "symbol": "VPS_ADC_in",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 48,
          "conditions": "VVPS",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Charge pump frequency",
          "symbol": "fCP",
          "kind": "electrical",
          "unit": "kHz",
          "min": 184,
          "typ": 200,
          "max": 216,
          "conditions": "Dependent on tSYS",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Charge pump tank capacitor",
          "symbol": "CTANK",
          "kind": "electrical",
          "unit": "nF",
          "min": 420,
          "typ": 470,
          "max": 520,
          "conditions": "Connected to VPS IVGBHI = 15 mA",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Charge pump flying capacitors",
          "symbol": "CFLY",
          "kind": "electrical",
          "unit": "nF",
          "min": 198,
          "typ": 220,
          "max": 242,
          "conditions": "Connected between CH1-CH2, CH3-CH4; IVGBHI = 15 mA",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Under voltage hysteresis",
          "symbol": "VhCP_UV",
          "kind": "electrical",
          "unit": "mV",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "Referenced to VVPS",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Under voltage filter time",
          "symbol": "tCP_UV",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Charge pump max voltage",
          "symbol": "VVGBHI_MAX",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "Referenced to GND",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Startup time",
          "symbol": "tCPstartup",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Internal absorption when VGNSPx = ON",
          "symbol": "IBIAS_ON",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 530,
          "conditions": "Internal absorption in when VGNSPx = ON Design info. Not tested in ATE",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "SDO rise and fall time",
          "symbol": "tsdo_trans",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": null,
          "max": 35,
          "conditions": "CLOAD = 20 to 150 pF",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay SCLK to data at SDO active",
          "symbol": "tpcld",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "CLOAD = 150 pF",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "NCS LOW to output SDO active",
          "symbol": "tcsdv",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "CLOAD = 150 pF",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance at SDI; SDO; SCLK; NCS",
          "symbol": "CIN_SPI",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Low output level",
          "symbol": "VSDOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "ISDO = 3.2 mA",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Tri state leakage current",
          "symbol": "ISDO_Leak",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "NCS = HIGH; 0 < VSDO < VIO – 0.3 V",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Maximum possible peak reverse current at SDO HS before protection Turn Off",
          "symbol": "IOVpeak_SDO_HS",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": null,
          "max": 250,
          "conditions": "VSDO = 36 V; VIO = 3 V; limited by RDSON only; HS channel On",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage detection analog filter time",
          "symbol": "tOV_SDO_fil",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
          "typ": null,
          "max": 700,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage detection HS turn OFF/ON time at SDO",
          "symbol": "tOFF_PROT_OV",
          "kind": "timing",
          "unit": "µs",
          "min": 0.5,
          "typ": null,
          "max": 5,
          "conditions": "Includes analog filter time and comparator reaction time until 50% IOVpeak_SDO_HS",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Gate charge current NMOS",
          "symbol": "ICh0Gx",
          "kind": "electrical",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": -40,
          "conditions": "GCC[1:0] = [0, 0]",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "Gate charge current NMOS and PMOS",
          "symbol": "ICh1Gx",
          "kind": "electrical",
          "unit": "mA",
          "min": -32.4,
          "typ": null,
          "max": -19.6,
          "conditions": "GCC[1:0] = [0, 1]",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "Gate charge current NMOS and PMOS",
          "symbol": "ICh2Gx",
          "kind": "electrical",
          "unit": "mA",
          "min": -8.6,
          "typ": null,
          "max": -4,
          "conditions": "GCC[1:0] = [1, 0]",
          "source_page": 27,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l9945tr"
  ],
  "discovery_pitch": "L9945TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l9945tr.kicad_sym",
    "l9945tr.kicad_mod",
    "l9945tr.glb",
    "l9945tr.step",
    "l9945tr.lbr",
    "docs/hero.png",
    "docs/l9945tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l9945tr-hero.glb",
    "l9945tr-hero.overlay.json",
    "l9945tr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}