UC3907DW

{
  "slug": "uc3907dw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management - Specialized, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "power management (pmic)",
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    "factory-2.0.0",
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  "component": {
    "mpn": "UC3907DW",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/uc2907",
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    "distributor_links": {
      "lcsc": "C1519364",
      "digikey": "2156-UC3907DW-ND",
      "mouser": "595-UC3907DW"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T02:01:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-UC3907DW-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-UC3907DW",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C/S OUT",
        "type": "output",
        "description": "Output of the current-sense amplifier, whose gain is internally fixed at 20; an external capacitor to ground can reduce its bandwidth."
      },
      {
        "number": "2",
        "name": "C/S (+)",
        "type": "input",
        "description": "Non-inverting differential input of the current-sense amplifier for an external shunt in the power-return line, with common-mode range up to VCC − 2 V."
      },
      {
        "number": "3",
        "name": "C/S (–)",
        "type": "input",
        "description": "Inverting differential input of the current-sense amplifier, used with C/S (+) to set a maximum shunt drop between 50 mV and 500 mV."
      },
      {
        "number": "4",
        "name": "(–) SENSE",
        "type": "input",
        "description": "High-impedance remote sense of system ground, treated as the true ground to which all voltages are referenced."
      },
      {
        "number": "5",
        "name": "POWER RETURN",
        "type": "power_in",
        "description": "Most negative supply return, which can range from 0 V to 5 V below (-) SENSE and should be connected as close to the power source as possible."
      },
      {
        "number": "6",
        "name": "ARTIFICIAL GND",
        "type": "passive",
        "description": "Low-impedance internal ground exactly 250 mV above (-) SENSE that supplies the control bias and operating currents."
      },
      {
        "number": "7",
        "name": "VREF",
        "type": "power_out",
        "description": "Bandgap reference set at 2.0 V with respect to (-) SENSE (±1.5%), with undervoltage lockout until the reference is in regulation."
      },
      {
        "number": "8",
        "name": "ISET",
        "type": "output",
        "description": "Current-sinking drive amplifier output, normally set by a resistor to ground, with a 0.25 V to 4.1 V signal available in non-isolated use."
      },
      {
        "number": "9",
        "name": "OPTO DRIVE",
        "type": "output",
        "description": "Current-sinking output for driving an optocoupler biased from 4.5 V to 35 V, with current up to 20 mA."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input for the device, specified for 4.5 V to 35 V operation with a 4.4 V typical undervoltage lockout startup threshold."
      },
      {
        "number": "11",
        "name": "(+) SENSE",
        "type": "input",
        "description": "High-impedance sense input of the voltage feedback amplifier, at which the 2 V reference is trimmed to ±1.25%."
      },
      {
        "number": "12",
        "name": "COMP",
        "type": "passive",
        "description": "Voltage error amplifier output and compensation node, clamped internally to 2.0 V, where overall loop compensation is normally applied."
      },
      {
        "number": "13",
        "name": "ADJ INPUT",
        "type": "input",
        "description": "Input of the transconductance adjust amplifier, which carries a built-in 50 mV offset on its inverting input."
      },
      {
        "number": "14",
        "name": "ADJ OUT",
        "type": "output",
        "description": "Adjust amplifier output that can raise the reference seen by the voltage amplifier by up to 100 mV (about 5% range) for current sharing."
      },
      {
        "number": "15",
        "name": "CURRENT SHARE BUS",
        "type": "bidirectional",
        "description": "Common share bus connecting all paralleled modules, protected against shorts to ground and voltages up to 50 V."
      },
      {
        "number": "16",
        "name": "STATUS INDICATE",
        "type": "output",
        "description": "Open-collector output that is pulled low to flag the module acting as master, with a sink current rating of 20 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The extracted text lists the SOIC-16 DW pin numbers and pin names in separate blocks, so the number-; Pin types are inferred because the datasheet gives no ERC classes. ARTIFICIAL GND is typed passive, ; The datasheet gives no supply or pin limits for the DW package beyond the general text. The packagin"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0887,
        "at": "2026-10-08T02:01:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/uc2907",
        "pages": 13,
        "sha256": "e0d0562c59ff546b",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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}