RT8070ZSP

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt8070zsp",
  "title": "RT8070ZSP",
  "brief": "Richtek Tech DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "rt8070zsp",
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  "component": {
    "mpn": "RT8070ZSP",
    "manufacturer": "Richtek Tech",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/092eeae5b70f4c2581420ff86f307801.pdf",
    "parts": {
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      "model_3d_plain": "rt8070zsp-etched.glb",
      "model_3d_step": "rt8070zsp-etched.step",
      "model_3d_step_plain": "rt8070zsp.step",
      "lbr": "rt8070zsp.lbr"
    },
    "distributor_links": {
      "lcsc": "C147995"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:14:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier compensation point where external compensation elements connect to stabilize the control loop; the current comparator threshold increases with this control voltage."
      },
      {
        "number": "2",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control input; a capacitor from SS to GND sets the soft-start period, with 10nF giving 800µs (typ.)."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; float or connect to logic high to enable, connect to GND to disable (VIH min 1.6V, VIL max 0.4V)."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input supply (2.7V to 5.5V operating); decouple this pin to GND with a capacitor."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "output",
        "description": "Internal power MOSFET switches output; connect this pin to the inductor."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator resistor input; a resistor from this pin to GND sets the switching frequency (200kHz to 2MHz), and floating sets 2MHz internally."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that receives the feedback voltage from a resistive divider across the output, regulated to 0.8V reference."
      },
      {
        "number": "8",
        "name": "PGOOD",
        "type": "output",
        "description": "Power good indicator, an open-drain logic output pulled to ground when the output voltage is not within 12.5% of the regulation point."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground and exposed pad; the exposed pad must be soldered to a large PCB and connected to GND for maximum power dissipation."
      }
    ],
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        "sha256": "3443ee613f6ddc63",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "SOP-8-EP",
      "Category": "Power Management ICs",
      "Pins": "9"
    },
    "characteristics": {
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      "source": "datasheet",
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      "rows": [
        {
          "name": "Feedback Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.784,
          "typ": 0.8,
          "max": 0.816,
          "conditions": "VIN = 3.3V, TA = 25°C",
          "source_page": 4,
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        },
        {
          "name": "Shutdown DC Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 10,
          "conditions": "Shutdown",
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        },
        {
          "name": "Switching Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.8,
          "typ": 1,
          "max": 1.2,
          "conditions": "ROSC = 300k",
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        {
          "name": "EN Input Logic-High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
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          "min": 1.6,
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          "max": null,
          "conditions": "",
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        {
          "name": "EN Input Logic-Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
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        {
          "name": "Switch On-Resistance, High",
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          "name": "Switch On-Resistance, Low",
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        {
          "name": "Peak Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
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          "typ": 5.8,
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          "typ": null,
          "max": 5.5,
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        {
          "name": "Junction Temperature Range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
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        {
          "name": "Ambient Temperature Range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
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          "name": "Supply Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        {
          "name": "LX Pin Switch Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3V to (VIN + 0.3V)",
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        {
          "name": "LX Pin Switch Voltage (<10ns)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": 8.5,
          "conditions": "<10ns",
          "source_page": 4,
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        {
          "name": "Other I/O Pin Voltages",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3V to (VIN + 0.3V)",
          "source_page": 4,
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        {
          "name": "LX Pin Switch Current",
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          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
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          "max": 5,
          "conditions": "",
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        {
          "name": "Power Dissipation SOP-8 (Exposed Pad)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
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          "max": 1.333,
          "conditions": "TA = 25°C",
          "source_page": 4,
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        {
          "name": "Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
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        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec.",
          "source_page": 4,
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "ESD Susceptibility HBM",
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          "kind": "absolute_maximum",
          "unit": "kV",
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          "max": 2,
          "conditions": "Human Body Model",
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        {
          "name": "Thermal Resistance Junction to Ambient SOP-8 (EP)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "JEDEC 51-7 four-layer board, TA = 25°C",
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        {
          "name": "Thermal Resistance Junction to Case SOP-8 (EP)",
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          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "measured at exposed pad",
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        {
          "name": "Output Voltage Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VIN = 2.7V to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.25,
          "max": null,
          "conditions": "0A < ILOAD < 4A",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Under Voltage Lockout Threshold Rising",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.4,
          "max": null,
          "conditions": "VIN Rising",
          "source_page": 5,
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        {
          "name": "Under Voltage Lockout Threshold Falling",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.2,
          "max": null,
          "conditions": "VIN Falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Period",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "CSS = 10nF",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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    "email": "[email protected]"
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