OC6700B

{
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  "type": "component",
  "slug": "oc6700b",
  "title": "OC6700B",
  "brief": "OCX(欧创芯) LED Drivers, ESOP-8. 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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    "led drivers",
    "oc6700b",
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  "component": {
    "mpn": "OC6700B",
    "manufacturer": "OCX(欧创芯)",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757245709911638016",
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      "lbr": "oc6700b.lbr"
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    "distributor_links": {
      "lcsc": "C7428438"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T10:41:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller and the internal circuits."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active high, which can also be driven with a PWM signal for LED dimming; the datasheet gives a logic-low maximum of 0.8 V."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier output used for frequency compensation, which requires an external resistor and capacitor network."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "LED output current sense feedback that regulates to about 250 mV (240 to 260 mV), with the LED current set by RFB."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Drain of the internal power NMOS (switch node), rated for 60 V maximum, and also connected to the exposed bottom pad."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Inductor peak current sense and input current-limit pin with an overcurrent threshold of 240 to 260 mV, and a voltage rating of -0.3 V to VDD+0.3 V."
      },
      {
        "number": "7",
        "name": "TOFF",
        "type": "passive",
        "description": "Off-time setting pin where an external capacitor COFF sets the off-time, and leaving it unconnected selects an internal 620 ns off-time."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin with an internal 5.5 V clamp (maximum clamp current 10 mA) and undervoltage lockout at 2.6 V rising with 0.3 V hysteresis."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet says the ESOP8 bottom (thermal) pad is connected to SW, but it gives no pin number for; The pin types for SW (output), COMP and TOFF (passive) are engineering judgements mapped to KiCad ER; The datasheet gives no separate pinout for any other package. The ESOP8 pinout on page 2 is the only",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0288,
        "at": "2026-10-17T10:39:57"
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        "pages": 8,
        "sha256": "f34366ee36c8ce17",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "OCX(欧创芯)",
      "Package": "ESOP-8",
      "Category": "LED Drivers",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
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          "name": "过流保护阈值 (Current-sense overcurrent threshold)",
          "symbol": "VCS_TH",
          "kind": "electrical",
          "unit": "mV",
          "min": 240,
          "typ": 250,
          "max": 260,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB 脚电压 (FB pin voltage)",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "mV",
          "min": 240,
          "typ": 250,
          "max": 260,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VSW 端最大电压 (SW pin max voltage)",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
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        },
        {
          "name": "VDD 端最大电压 (VDD pin max voltage)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "EN、COMP、FB、TOFF 和 CS 脚的电压 (pin voltage range)",
          "symbol": "VMAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "EN、COMP、FB、TOFF 和 CS 脚",
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        },
        {
          "name": "ESOP8 封装最大功耗 (max package power dissipation)",
          "symbol": "PESOP8",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
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          "conditions": "ESOP8 封装",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作结温范围 (operating junction temperature range)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "存储温度范围 (storage temperature range)",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "焊接温度范围 (soldering temperature)",
          "symbol": "TSD",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 240,
          "conditions": "时间小于30秒",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "静电耐压值 (ESD, human body model)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "人体模型",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD 钳位电压 (VDD clamp voltage)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.5,
          "max": null,
          "conditions": "IVDD<10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "欠压保护电压 (VDD undervoltage lockout)",
          "symbol": "VDD_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.6,
          "max": null,
          "conditions": "VDD上升",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "欠压保护迟滞 (UVLO hysteresis)",
          "symbol": "VDD_HYS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "工作电流 (operating current)",
          "symbol": "IOP",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "FOP=200KHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "待机输入电流 (standby input current)",
          "symbol": "IINQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "无负载，EN 为低电平",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "最小关断时间 (minimum off-time)",
          "symbol": "TOFF_MIN",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 620,
          "max": null,
          "conditions": "TOFF 脚无外接电容",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 端输入低电平 (EN input low level)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "MOS 管耐压 (MOS drain-source voltage)",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "MOS 管导通内阻 (MOS on-resistance)",
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          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VGS=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "过温调节 (over-temperature regulation threshold)",
          "symbol": "OTP_TH",
          "kind": "electrical",
          "unit": "oC",
          "min": null,
          "typ": 135,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "OC6700B (OCX(欧创芯)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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