TPS40057PWP

{
  "slug": "tps40057pwp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps40057pwp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps40057pwp.kicad_sym",
    "tps40057pwp.kicad_mod",
    "tps40057pwp.glb",
    "tps40057pwp.step",
    "tps40057pwp.lbr",
    "docs/hero.png",
    "docs/tps40057pwp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps40057pwp-hero.glb",
    "tps40057pwp-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS40057PWP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps40057",
    "parts": {
      "symbol": "tps40057pwp.kicad_sym",
      "footprint": "tps40057pwp.kicad_mod",
      "model_3d": "tps40057pwp-hero.glb",
      "model_3d_plain": "tps40057pwp.glb",
      "model_3d_step": "tps40057pwp-etched.step",
      "model_3d_step_plain": "tps40057pwp.step",
      "lbr": "tps40057pwp.lbr"
    },
    "distributor_links": {
      "lcsc": "C1529919",
      "digikey": "2156-TPS40057PWP-ND",
      "mouser": "595-TPS40057PWP"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T08:25:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TPS40057PWP-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS40057PWP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "KFF",
        "type": "input",
        "description": "Resistor connection to VIN for voltage feedforward and UVLO level programming."
      },
      {
        "number": "2",
        "name": "RT",
        "type": "input",
        "description": "Resistor connection to ground for internal oscillator and switching frequency programming."
      },
      {
        "number": "3",
        "name": "BP5",
        "type": "power_out",
        "description": "5-V reference output, bypass with 0.1-µF capacitor, maximum 1 mA external load."
      },
      {
        "number": "4",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input to synchronize oscillator to external frequency or connect to SGND if unused."
      },
      {
        "number": "5",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground reference for the device."
      },
      {
        "number": "6",
        "name": "SS/SD",
        "type": "input",
        "description": "Soft-start/shutdown pin with 2.3 µA charging current; output rise at 0.85 V, regulation at 1.55 V, shutdown below 125 mV."
      },
      {
        "number": "7",
        "name": "VFB",
        "type": "input",
        "description": "Inverting input to error amplifier, equal to internal 0.7 V reference in normal operation."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input, internally clamped for improved large signal transient response."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground reference with low-impedance path to lower MOSFET source."
      },
      {
        "number": "10",
        "name": "LDRV",
        "type": "output",
        "description": "Gate drive output for N-channel synchronous rectifier, switches from BP10 (on) to ground (off)."
      },
      {
        "number": "11",
        "name": "BP10",
        "type": "power_out",
        "description": "10-V reference for N-channel synchronous rectifier gate drive, maximum 1 mA external load, bypass with 1-µF capacitor."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "input",
        "description": "Switched node connection for overcurrent sensing and zero current detection."
      },
      {
        "number": "13",
        "name": "HDRV",
        "type": "output",
        "description": "Floating gate drive output for high-side N-channel MOSFET, switches from BOOST (on) to SW (off)."
      },
      {
        "number": "14",
        "name": "BOOST",
        "type": "output",
        "description": "Gate drive voltage output for high-side MOSFET, 9 V greater than SW voltage; connect 0.1-µF capacitor to lower MOSFET drain."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, 8 V to 40 V recommended operating range."
      },
      {
        "number": "16",
        "name": "ILIM",
        "type": "input",
        "description": "Current limit setting pin with internal current sink for overcurrent threshold programming compared to high-side MOSFET voltage drop."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1277,
        "at": "2026-10-07T08:25:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps40057",
        "pages": 43,
        "sha256": "8efd3db408deb44b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps40057pwp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps40057pwp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "315804ad4a9f4c3316cacc0dbb24ea592305904c3ef43b058e9c8019eb98ac2f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}