TL494BDR2G

{
  "slug": "tl494bdr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi DC-DC Controllers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tl494bdr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tl494bdr2g.kicad_sym",
    "tl494bdr2g.kicad_mod",
    "tl494bdr2g.glb",
    "tl494bdr2g.step",
    "tl494bdr2g.lbr",
    "docs/hero.png",
    "docs/tl494bdr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl494bdr2g-hero.glb",
    "tl494bdr2g-hero.overlay.json",
    "tl494bdr2g-etched.glb"
  ],
  "component": {
    "mpn": "TL494BDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/tl494b-d.pdf",
    "parts": {
      "symbol": "tl494bdr2g.kicad_sym",
      "footprint": "tl494bdr2g.kicad_mod",
      "model_3d": "tl494bdr2g-hero.glb",
      "model_3d_plain": "tl494bdr2g-etched.glb",
      "model_3d_step": "tl494bdr2g-etched.step",
      "model_3d_step_plain": "tl494bdr2g.step",
      "lbr": "tl494bdr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C242288",
      "digikey": "TL494BDR2GOSTR-ND",
      "mouser": "863-TL494BDR2G"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T00:25:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TL494BDR2GOSTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-TL494BDR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Error Amp 1 Noninv Input",
        "type": "input",
        "description": "Noninverting input of error amplifier 1, with common-mode range of -0.3 V to VCC-2.0 V."
      },
      {
        "number": "2",
        "name": "Error Amp 1 Inv Input",
        "type": "input",
        "description": "Inverting input of error amplifier 1, with common-mode range of -0.3 V to VCC-2.0 V."
      },
      {
        "number": "3",
        "name": "Compen/PWM Comp Input",
        "type": "bidirectional",
        "description": "Error amplifier outputs (active high, ORed) and PWM comparator input for compensation/feedback, with the PWM comparator spanning 0.5 V to 3.5 V."
      },
      {
        "number": "4",
        "name": "Deadtime Control",
        "type": "input",
        "description": "Deadtime control comparator input, set to a fixed voltage from 0 V to 3.3 V to impose additional deadtime, with input bias current of -2.0 uA typ."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor connection that sets oscillator frequency (fosc ≈ 1.1/(RT·CT)), recommended 0.0047 uF to 10 uF."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor connection that sets oscillator frequency, recommended 1.8 kΩ to 500 kΩ."
      },
      {
        "number": "7",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "C1",
        "type": "passive",
        "description": "Collector of uncommitted output transistor Q1, rated to 500 mA and 42 V maximum."
      },
      {
        "number": "9",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of output transistor Q1, rated to 500 mA source or sink."
      },
      {
        "number": "10",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of output transistor Q2, rated to 500 mA source or sink."
      },
      {
        "number": "11",
        "name": "C2",
        "type": "passive",
        "description": "Collector of uncommitted output transistor Q2, rated to 500 mA and 42 V maximum."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 7.0 V to 40 V recommended operating range and 42 V maximum."
      },
      {
        "number": "13",
        "name": "Output Control",
        "type": "input",
        "description": "Selects single-ended/parallel operation when grounded or push-pull operation when connected to Vref (2.4 V ≤ VOC ≤ Vref for push-pull per Figure 17 ranges)."
      },
      {
        "number": "14",
        "name": "Vref Output",
        "type": "power_out",
        "description": "Internal 5.0 V reference output (4.75 V to 5.25 V) capable of sourcing up to 10 mA."
      },
      {
        "number": "15",
        "name": "Error Amp 2 Inv Input",
        "type": "input",
        "description": "Inverting input of error amplifier 2, with common-mode range of -0.3 V to VCC-2.0 V."
      },
      {
        "number": "16",
        "name": "Error Amp 2 Noninv Input",
        "type": "input",
        "description": "Noninverting input of error amplifier 2, with common-mode range of -0.3 V to VCC-2.0 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 Connections diagram text on page 1 is garbled (names listed without clear number association; Polarity of error amp inputs (1 noninv/2 inv, 16 noninv/15 inv) inferred from the garbled pin diagra; Pin 13 description combines the Output Control function table and the Figure 17 voltage ranges (0 to",
          "2/16 pins cited to the wrong page (name found elsewhere): ['7:Ground@p1', '9:E1@p1']"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1149,
        "at": "2026-11-07T00:25:35"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/tl494b-d.pdf",
        "pages": 14,
        "sha256": "22e2ba6778253a07",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "centre_offset_mm": 0.0,
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        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "4add64ffeed738d20b52d28ffc7926756a88af11d091a9e55b715fd803714b97",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}