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Ray Publish 0.1.0 6095bd4 11d ago
{
  "slug": "u3525g-s16-r",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC(Unisonic Tech) RF Modulators And Demodulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "u3525g-s16-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "u3525g-s16-r.kicad_sym",
    "u3525g-s16-r.kicad_mod",
    "u3525g-s16-r.glb",
    "u3525g-s16-r.step",
    "u3525g-s16-r.lbr",
    "docs/hero.png",
    "docs/u3525g-s16-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "u3525g-s16-r-hero.glb",
    "u3525g-s16-r-hero.overlay.json",
    "u3525g-s16-r-etched.glb"
  ],
  "component": {
    "mpn": "U3525G-S16-R",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "RF And Wireless",
    "subcategory": "RF Modulators And Demodulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756516821036490752",
    "parts": {
      "symbol": "u3525g-s16-r.kicad_sym",
      "footprint": "u3525g-s16-r.kicad_mod",
      "model_3d": "u3525g-s16-r-hero.glb",
      "model_3d_plain": "u3525g-s16-r-etched.glb",
      "model_3d_step": "u3525g-s16-r-etched.step",
      "model_3d_step_plain": "u3525g-s16-r.step",
      "lbr": "u3525g-s16-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C7470890"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T19:40:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INV.INPUT",
        "type": "input",
        "description": "Inverting input of the error amplifier, used with the non-inverting input to set the feedback loop (common-mode range 1.5 to 5.2 V per the error amplifier characteristics)."
      },
      {
        "number": "2",
        "name": "N.I.INPUT",
        "type": "input",
        "description": "Non-inverting input of the error amplifier, with a common-mode range of 1.5 to 5.2 V and a CMR of 60 dB minimum."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "Oscillator sync terminal with a sync threshold of 1.2 to 2.8 V and a sync input current of up to 2.5 mA at 3.5 V."
      },
      {
        "number": "4",
        "name": "OSC.OUTPUT",
        "type": "output",
        "description": "Oscillator clock output with a clock amplitude of 3 to 3.5 V and a clock width of 0.3 to 1 µs."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor terminal, with a recommended range of 0.001 to 0.1 µF and a maximum current through the CT terminal of 5 mA."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor terminal, with a recommended range of 2 to 150 kΩ."
      },
      {
        "number": "7",
        "name": "DISCHARGE",
        "type": "passive",
        "description": "Discharge terminal for the oscillator dead-time circuit, used with the dead-time resistor RD whose range is 0 to 500 Ω."
      },
      {
        "number": "8",
        "name": "SOFT-START",
        "type": "passive",
        "description": "Soft-start terminal with a current-source pull-up of 25 to 80 µA, which charges the external soft-start capacitor and is discharged during shutdown."
      },
      {
        "number": "9",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input for loop compensation; it can be pulled down by a signal sinking at most 100 µA to turn the outputs off."
      },
      {
        "number": "10",
        "name": "SHUT DOWN",
        "type": "input",
        "description": "Shutdown input that immediately sets the PWM latch and starts a 150 µA sink discharging the soft-start capacitor on longer commands, and it must not be left floating."
      },
      {
        "number": "11",
        "name": "OUTPUT A",
        "type": "output",
        "description": "Totem-pole output driver A with NOR logic (LOW for OFF), capable of sourcing or sinking up to 100 mA steady state and 400 mA peak."
      },
      {
        "number": "12",
        "name": "GROUND",
        "type": "power_in",
        "description": "Ground reference for the IC."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Collector supply for the output stages, rated 4.5 to 35 V."
      },
      {
        "number": "14",
        "name": "OUTPUT B",
        "type": "output",
        "description": "Totem-pole output driver B with NOR logic (LOW for OFF), capable of sourcing or sinking up to 100 mA steady state and 400 mA peak."
      },
      {
        "number": "15",
        "name": "+VI",
        "type": "power_in",
        "description": "Supply input for the IC, rated 8 to 35 V (40 V absolute maximum)."
      },
      {
        "number": "16",
        "name": "VREF",
        "type": "power_out",
        "description": "On-chip 5.1 V reference output trimmed to ±1%, with a load current of 0 to 20 mA and a 50 mA absolute maximum."
      }
    ],
    "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-number-to-name assignment could not be read directly: the page 2 pin diagram text is scrambl; The datasheet does not give a separate electrical limit for the DISCHARGE pin; the description refer; Pin types for SOFT-START, COMP and SHUT DOWN are not stated explicitly in the datasheet; types were ",
          "1/16 pins cited to the wrong page (name found elsewhere): ['12:GROUND@p2']"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0511,
        "at": "2026-10-17T19:39:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756516821036490752",
        "pages": 10,
        "sha256": "5868f993bb5f68a1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "u3525g-s16-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u3525g-s16-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cb2fd03fc97ad88fc8742bd02ea4743c6ee37e5684ee7ba777143a1de763d528",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}