main
Ray Publish 0.1.0 be68be8 8d ago
{
  "slug": "lt8616efe-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lt8616efe#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt8616efe-trpbf.kicad_sym",
    "lt8616efe-trpbf.kicad_mod",
    "lt8616efe-trpbf.glb",
    "lt8616efe-trpbf.step",
    "lt8616efe-trpbf.lbr",
    "docs/hero.png",
    "docs/lt8616efe-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt8616efe-trpbf-hero.glb",
    "lt8616efe-trpbf-hero.overlay.json",
    "lt8616efe-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT8616EFE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "HTSSOP-28-EP",
    "pin_count": 29,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/8616fa.pdf",
    "parts": {
      "symbol": "lt8616efe-trpbf.kicad_sym",
      "footprint": "lt8616efe-trpbf.kicad_mod",
      "model_3d": "lt8616efe-trpbf-hero.glb",
      "model_3d_plain": "lt8616efe-trpbf-etched.glb",
      "model_3d_step": "lt8616efe-trpbf-etched.step",
      "model_3d_step_plain": "lt8616efe-trpbf.step",
      "lbr": "lt8616efe-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C462629",
      "digikey": "LT8616EFE#TRPBFTR-ND",
      "mouser": "584-LT8616EFE#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:29:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT8616EFE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT8616EFE#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN/UV2",
        "type": "input",
        "description": "Channel 2 enable/undervoltage input with 1.03V rising threshold (0.98V falling) that disables channel 2 when low; tie to VIN if unused and do not float."
      },
      {
        "number": "2",
        "name": "PG2",
        "type": "output",
        "description": "Open-drain power-good output for channel 2 that stays low until FB2 is within ±10% of final regulation and no fault exists (42V max)."
      },
      {
        "number": "3",
        "name": "SW2",
        "type": "output",
        "description": "Channel 2 switch output connecting to the inductor and boost capacitor; keep the SW node small on the PCB."
      },
      {
        "number": "4",
        "name": "SW2",
        "type": "output",
        "description": "Channel 2 switch output connecting to the inductor and boost capacitor; keep the SW node small on the PCB."
      },
      {
        "number": "5",
        "name": "SW2",
        "type": "output",
        "description": "Channel 2 switch output connecting to the inductor and boost capacitor; keep the SW node small on the PCB."
      },
      {
        "number": "6",
        "name": "BOOST2",
        "type": "passive",
        "description": "Channel 2 top-switch drive supply; place a 0.1µF capacitor between BOOST2 and SW2 close to the IC (4V max above SW2)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float to increase fault tolerance or connect to ground to facilitate PCB layout."
      },
      {
        "number": "8",
        "name": "BOOST1",
        "type": "passive",
        "description": "Channel 1 top-switch drive supply; place a 0.1µF capacitor between BOOST1 and SW1 close to the IC (4V max above SW1)."
      },
      {
        "number": "9",
        "name": "SW1",
        "type": "output",
        "description": "Channel 1 switch output connecting to the inductor and boost capacitor; keep the SW node small on the PCB."
      },
      {
        "number": "10",
        "name": "SW1",
        "type": "output",
        "description": "Channel 1 switch output connecting to the inductor and boost capacitor; keep the SW node small on the PCB."
      },
      {
        "number": "11",
        "name": "PG1",
        "type": "output",
        "description": "Open-drain power-good output for channel 1 that stays low until FB1 is within ±10% of final regulation and no fault exists (42V max)."
      },
      {
        "number": "12",
        "name": "TR/SS1",
        "type": "input",
        "description": "Channel 1 soft-start/tracking pin with 2µA pull-up from INTVCC; a capacitor sets the ramp, and below 0.79V FB1 regulates to this voltage (4V max)."
      },
      {
        "number": "13",
        "name": "FB1",
        "type": "input",
        "description": "Channel 1 feedback input regulated to 0.790V; connect the feedback resistor divider tap and a phase-lead capacitor (1.5pF to 10pF) to VOUT1."
      },
      {
        "number": "14",
        "name": "FB1",
        "type": "input",
        "description": "Channel 1 feedback input regulated to 0.790V; connect the feedback resistor divider tap and a phase-lead capacitor (1.5pF to 10pF) to VOUT1."
      },
      {
        "number": "15",
        "name": "RT",
        "type": "passive",
        "description": "A resistor from RT to ground sets the switching frequency (200kHz to 3MHz)."
      },
      {
        "number": "16",
        "name": "EN/UV1",
        "type": "input",
        "description": "Channel 1 enable/undervoltage input with 1.03V rising threshold (0.98V falling) that disables channel 1 when low; tie to VIN if unused and do not float."
      },
      {
        "number": "17",
        "name": "SYNC/MODE",
        "type": "input",
        "description": "Ground for low-ripple Burst Mode operation, tie to an external clock (250kHz to 3MHz) to synchronize, or apply 2.4V or higher/INTVCC for pulse-skipping mode; do not float (6V max)."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float to increase fault tolerance or connect to ground to facilitate PCB layout."
      },
      {
        "number": "19",
        "name": "VIN1",
        "type": "power_in",
        "description": "Supplies internal circuitry and the channel 1 top switch; must be locally bypassed and connected to 3.4V or above even if only channel 2 is used (42V max)."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float to increase fault tolerance or connect to ground to facilitate PCB layout."
      },
      {
        "number": "21",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal regulator output powering gate drivers and control circuits; decouple with at least 1µF low-ESR ceramic to ground and do not load externally."
      },
      {
        "number": "22",
        "name": "BIAS",
        "type": "power_in",
        "description": "Supplies the internal regulator when above 3.1V; tie to VOUT for outputs of 3.3V and above, use a 1µF bypass if from another supply, ground if unused (30V max)."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float to increase fault tolerance or connect to ground to facilitate PCB layout."
      },
      {
        "number": "24",
        "name": "VIN2",
        "type": "power_in",
        "description": "Supplies the channel 2 top switch; must be locally bypassed, and VIN1 must be 3.4V or above for channel 2 to operate (42V max)."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float to increase fault tolerance or connect to ground to facilitate PCB layout."
      },
      {
        "number": "26",
        "name": "FB2",
        "type": "input",
        "description": "Channel 2 feedback input regulated to 0.790V; connect the feedback resistor divider tap and a phase-lead capacitor (1.5pF to 10pF) to VOUT2."
      },
      {
        "number": "27",
        "name": "FB2",
        "type": "input",
        "description": "Channel 2 feedback input regulated to 0.790V; connect the feedback resistor divider tap and a phase-lead capacitor (1.5pF to 10pF) to VOUT2."
      },
      {
        "number": "28",
        "name": "TR/SS2",
        "type": "input",
        "description": "Channel 2 soft-start/tracking pin with 2µA pull-up from INTVCC; a capacitor sets the ramp, and below 0.79V FB2 regulates to this voltage (4V max)."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad and the only ground connection of the TSSOP package; must be soldered to the PCB ground plane and connected to the negative terminal of the input capacitors."
      }
    ],
    "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: Pin-to-name mapping was read from the page 2 package drawing and cross-checked against Table 4 on pa",
          "14/29 pins cited to the wrong page (name found elsewhere): ['12:TR/SS1@p9', '13:FB1@p9', '14:FB1@p9', '16:EN/UV1@p9']"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0291,
        "at": "2026-10-30T22:29:47"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/8616fa.pdf",
        "pages": 26,
        "sha256": "3030e15d0ddb3890",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt8616efe-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt8616efe-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e22190be13753c9c8a46936bc6b864a6bba79bce2dfb0a08e6015eb033c0e1de",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}