TP6841S6-A

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp6841s6-a",
  "title": "TP6841S6-A",
  "brief": "TECH PUBLIC DC-DC Converters, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "tp6841s6-a"
  ],
  "component": {
    "mpn": "TP6841S6-A",
    "manufacturer": "TECH PUBLIC",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2108072230_TECH-PUBLIC-TP6841S6-A_C2844924.pdf",
    "parts": {
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      "footprint": "tp6841s6-a.kicad_mod",
      "model_3d": "tp6841s6-a-etched.glb",
      "model_3d_plain": "tp6841s6-a.glb",
      "model_3d_step": "tp6841s6-a-etched.step",
      "model_3d_step_plain": "tp6841s6-a.step",
      "lbr": "tp6841s6-a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2844924"
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin for the high-side N-channel MOSFET gate drive. Connect a 100nF ceramic capacitor from BST to SW; the capacitor is charged from the internal 4.0V rail when SW is low to generate a gate voltage above VIN."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Serves as the reference for the control circuitry and the return for the power stage. Absolute range Vss-0.3V to Vss+45V per the datasheet."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the internal error amplifier. Connect an external resistor divider from VOUT to FB and GND to set the output voltage; internal reference VREF = 0.8V (typ, 0.776-0.824V). Abs max Vss-0.3V to Vss+6V."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input for the IC. Drive high (rising threshold ~1.3V) to enable the regulator, low (falling ~1.2V, shutdown below 0.3V) to disable. Can be tied to a resistive divider from VIN for programmable UVLO. Abs max Vss-0.3V to Vss+45V; EN input current ~2µA at VEN=5V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, 4.5V to 40V operating (abs max Vss+45V). Provides power to the internal high-side MOSFET drain and bias circuitry. Bypass with a 22µF ceramic capacitor to GND, plus a 0.1µF high-frequency capacitor placed close to the pin."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switch node output. Connects the source of the integrated high-side N-MOSFET and drain of the low-side N-MOSFET to the external inductor. High-side RDS(on) ~450mΩ, low-side ~270mΩ; high-side current limit ~2A. Abs max Vss-0.3V to VIN+0.3V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2108072230_TECH-PUBLIC-TP6841S6-A_C2844924.pdf",
        "pages": 9,
        "sha256": "a31ecef83be4e8ea",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
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        "file": "tp6841s6-a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp6841s6-a-etched.step",
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "6d8fe1b0ce07ef99dd7e77ecb05cc88bd51d44c71ae7d51811ef1b149c8a83b9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp6841s6-a"
  ],
  "discovery_pitch": "TP6841S6-A (TECH PUBLIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp6841s6-a.kicad_sym",
    "tp6841s6-a.kicad_mod",
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    "tp6841s6-a.step",
    "tp6841s6-a-etched.step",
    "tp6841s6-a.lbr",
    "docs/hero.png",
    "docs/tp6841s6-a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TP6841S6-A",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T11:25:53.511Z"
}