RY3825

{
  "schema_version": 1,
  "type": "component",
  "slug": "ry3825",
  "title": "RY3825",
  "brief": "RYCHIP 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": [
    "component",
    "pmic",
    "ry3825"
  ],
  "component": {
    "mpn": "RY3825",
    "manufacturer": "RYCHIP",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1d7a1eb0b70b1f879e15d83805e73711.pdf",
    "parts": {
      "symbol": "ry3825.kicad_sym",
      "footprint": "ry3825.kicad_mod",
      "model_3d": "ry3825-etched.glb",
      "model_3d_plain": "ry3825.glb",
      "model_3d_step": "ry3825-etched.step",
      "model_3d_step_plain": "ry3825.step",
      "lbr": "ry3825.lbr"
    },
    "distributor_links": {
      "lcsc": "C370760"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device. Connect to a large copper area for thermal dissipation and to minimize the power loop with the input capacitor and internal MOSFETs."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switching node output; the common drain of the internal high-side and low-side power MOSFETs. Connect to the external inductor. Rated -0.3V to (VIN+0.5V)."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Power supply input, 4V to 18V (absolute max 21V). Bypass with a ceramic input capacitor placed close to the pin."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for the adjustable output. Connect to the center tap of an external resistor divider from VOUT to GND. Regulated to 0.768V typical (0.749V to 0.787V over temperature). Absolute max -0.3V to 6V."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input. Drive logic-high (rising threshold typ 1.15V) to enable the IC; drive logic-low to enter micro-power shutdown (typ 10µA). Absolute max -0.3V to 21V."
      },
      {
        "number": "6",
        "name": "BS",
        "type": "passive",
        "description": "Bootstrap pin for the high-side gate driver. Connect a bootstrap capacitor between SW and BS to form the floating supply that drives the high-side MOSFET. Rated (VSW-0.3V) to (VSW+5V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1d7a1eb0b70b1f879e15d83805e73711.pdf",
        "pages": 9,
        "sha256": "578aea52c47ad414",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
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        "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)"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RYCHIP",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "578aea52c47ad414",
      "rows": [
        {
          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN, EN Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 21,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VFB Voltages",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "VSW Voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "upper limit printed as (VIN+0.5V)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VBS Voltage",
          "symbol": "VBS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "referenced to VSW: (Vsw-0.3) to (Vsw+5V)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10s)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "soldering, 10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD (Human Body Made) HMB",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD (Machine Made) MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "θJC",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Operation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.4,
          "typ": null,
          "max": 0.8,
          "conditions": "VEN=3.0V, VFB=1.1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VEN =0 or EN = GND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Regulated Feedback Voltage",
          "symbol": "",
          "kind": "tolerance",
          "unit": "V",
          "min": 0.749,
          "typ": 0.768,
          "max": 0.787,
          "conditions": "TJ=-40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Side Switch On-Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Side Switch On-Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Side Switch Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VEN=0V, VSW=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Upper Switch Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "Minimum Duty Cycle",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillation Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 600,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 92,
          "max": null,
          "conditions": "VFB=0.768V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum On-Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Off-Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VEN=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0,
          "max": null,
          "conditions": "VEN=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Under-Voltage Lockout Threshold",
          "symbol": "INUVTH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 3.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Under-Voltage Lockout Threshold-Hysteresis",
          "symbol": "INUVHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN up Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.05,
          "typ": 1.15,
          "max": 1.25,
          "conditions": "VEN-Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft Start",
          "symbol": "",
          "kind": "timing",
          "unit": "mS",
          "min": 1,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hiccup Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "Hz",
          "min": 80,
          "typ": null,
          "max": 120,
          "conditions": "VOUT = 3.3V, VIN = 12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hiccup Duty cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VOUT = 3.3V, VIN = 12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Hysteresis",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "variants": [
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  "updated_at": "2026-09-25T05:24:53.420Z"
}