SSP7903P50JR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ssp7903p50jr",
  "title": "SSP7903P50JR",
  "brief": "Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ssp7903p50jr"
  ],
  "component": {
    "mpn": "SSP7903P50JR",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "TO-252",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403212350_Shanghai-Siproin-Microelectronics-SSP7903P50JR_C5199837.pdf",
    "parts": {
      "symbol": "ssp7903p50jr.kicad_sym",
      "footprint": "ssp7903p50jr.kicad_mod",
      "model_3d": "ssp7903p50jr-etched.glb",
      "model_3d_plain": "ssp7903p50jr.glb",
      "model_3d_step": "ssp7903p50jr-etched.step",
      "model_3d_step_plain": "ssp7903p50jr.step",
      "lbr": "ssp7903p50jr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5199837"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply. Absolute maximum 40V, minimum operating 2.2V; recommend VIN >= VOUT + 2V for regulation. Bypass to GND with a 10µF (or 2.2-4.7µF ceramic) capacitor close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. Tie to system single-point ground; the TO-252 tab is thermally/electrically tied to this pin and should be soldered to a copper area to improve power dissipation (PD ≈ 1800mW for TO-252)."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V ±2% output (P50 option). Delivers up to 1A with ~1000mV dropout at 1A (4mV at 1mA), current-limited to ~1.8A with fold-back and short-circuit protection (~120mA short-circuit current). Bypass to GND with a 10µF (or 2.2-4.7µF ceramic) capacitor for stability."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403212350_Shanghai-Siproin-Microelectronics-SSP7903P50JR_C5199837.pdf",
        "pages": 11,
        "sha256": "d1763cb71baebbea",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ssp7903p50jr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ssp7903p50jr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "af2fc1d4d229a87dc24f98cf66f3e8d97f6cf84a5e2ce8655e96f654c0727d1a",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Siproin Microelectronics",
      "Package": "TO-252",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ssp7903p50jr"
  ],
  "discovery_pitch": "SSP7903P50JR (Shanghai Siproin Microelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ssp7903p50jr.kicad_sym",
    "ssp7903p50jr.kicad_mod",
    "ssp7903p50jr.glb",
    "ssp7903p50jr.step",
    "ssp7903p50jr-etched.step",
    "ssp7903p50jr.lbr",
    "docs/hero.png",
    "docs/ssp7903p50jr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SSP7903P50JRJx",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JR",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRJG",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRPx",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRPR",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRPG",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRPBx",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRPBR",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRPBG",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRFx",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRFR",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRFG",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRFBx",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRFBR",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P50JRFBG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T08:20:17.770Z"
}