CN3387

{
  "schema_version": 1,
  "type": "component",
  "slug": "cn3387",
  "title": "CN3387",
  "brief": "ShangHai Consonance Elec DC-DC Converters, SSOP-10. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "cn3387"
  ],
  "component": {
    "mpn": "CN3387",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SSOP-10",
    "pin_count": 10,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2206151815_ShangHai-Consonance-Elec-CN3387_C2961778.pdf",
    "parts": {
      "symbol": "cn3387.kicad_sym",
      "footprint": "cn3387.kicad_mod",
      "model_3d": "cn3387-etched.glb",
      "model_3d_plain": "cn3387.glb",
      "model_3d_step": "cn3387-etched.step",
      "model_3d_step_plain": "cn3387.step",
      "lbr": "cn3387.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "STAT",
        "type": "output",
        "description": "Charge status indicator output (CMOS). Drives high while charging and low when charging has terminated. Can sink/source approximately 10 mA to drive a status LED directly or interface to an MCU input."
      },
      {
        "number": "2",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input. A high level (>=2.2V) puts CN3387 in normal operation; a low level (<0.7V) disables the chip. Compatible with TTL and CMOS logic levels; do not leave in the 0.7V-2.2V undefined region."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Battery voltage feedback input. Connects to an external resistor divider (R1/R2) to sense battery voltage per VBAT = VFB x (1 + R1/R2). Constant-current termination threshold Vcct = 1.125V typ; over-voltage / peak threshold 1.205V typ; recharge threshold 1.105V typ."
      },
      {
        "number": "4",
        "name": "BAT",
        "type": "input",
        "description": "Battery positive-terminal sense input. Connects directly to the battery pack positive terminal for over-voltage protection (Vov = 1.285V typ threshold referred internally). Draws ~5.8 uA typical at VBAT = 12V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground and return for both the input supply and the battery negative terminal."
      },
      {
        "number": "6",
        "name": "LDRV",
        "type": "output",
        "description": "External low-side N-channel power MOSFET gate driver output. Sources/sinks up to ~0.65 A peak to switch the boost inductor low-side FET; VOH >= VCC-0.3V at 5 mA, VOL <= 0.3V at -5 mA."
      },
      {
        "number": "7",
        "name": "HDRV",
        "type": "output",
        "description": "External high-side P-channel power MOSFET gate driver output for battery-short / low-battery protection topology (Figure 2). Sources/sinks up to ~0.8 A peak; VOH >= VCC-0.3V at 5 mA, VOL <= 0.3V at -5 mA. Leave unconnected when the external PMOS is not used (Figure 1 topology)."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input for the internal circuitry (2.7V to 6.5V) and also the positive input for the inductor current sense comparator. Quiescent current 300 uA typ (no switching); shutdown current 0 uA typ when CE is low."
      },
      {
        "number": "9",
        "name": "CSN",
        "type": "input",
        "description": "Negative input of the inductor (input) current sense comparator. An external sense resistor Rcs is placed between VIN and CSN. In constant-current mode the upper (VIN-CSN) threshold is 125 mV typ and the lower threshold is 85 mV typ."
      },
      {
        "number": "10",
        "name": "CT",
        "type": "passive",
        "description": "Timing-capacitor connection. A capacitor C2 (>1 nF) from CT to GND sets the maintenance-charge timeout per T(s) = 12.18e9 x C2. Timer starts when CN3387 enters top-off/maintenance mode and terminates charging on expiry."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2206151815_ShangHai-Consonance-Elec-CN3387_C2961778.pdf",
        "pages": 13,
        "sha256": "f6116a5972c222f1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cn3387.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.1,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "67b52412e9c230c40c0bdcb2098b238633f27dfc65692a16abf3448995fbe697",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cn3387-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.1,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2677fb4b5c9180c5271a5f78c96ba6887239502dc2168cca1e59ca80ca1d4b76",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ShangHai Consonance Elec",
      "Package": "SSOP-10",
      "Category": "PMIC",
      "Pins": "10"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f6116a5972c222f1",
      "rows": [
        {
          "name": "输入电压范围",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "伏特",
          "min": 2.7,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "工作温度范围",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "工作电流",
          "symbol": "IVIN",
          "kind": "electrical",
          "unit": "微安",
          "min": 230,
          "typ": 300,
          "max": 370,
          "conditions": "VFB＝1.5V，No Switching",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "关断电流",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "微安",
          "min": 0,
          "typ": null,
          "max": 2,
          "conditions": "CE管脚低电平",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "开关频率",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "KHz",
          "min": 200,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "检测电压高端阈值 恒流",
          "symbol": "VCSHI",
          "kind": "electrical",
          "unit": "毫伏",
          "min": 113,
          "typ": 123,
          "max": 133,
          "conditions": "恒流 (VIN－VCSN) 从0V上升，直到VLDRV＜0.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "检测电压高端阈值 维持充电",
          "symbol": "VCSHI",
          "kind": "electrical",
          "unit": "毫伏",
          "min": 62,
          "typ": 72,
          "max": 82,
          "conditions": "维持充电",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "检测电压低端阈值 恒流",
          "symbol": "VCSLO",
          "kind": "electrical",
          "unit": "毫伏",
          "min": 77,
          "typ": 87,
          "max": 97,
          "conditions": "恒流 (VIN－VCSN) 从0.2V下降，直到VLDRV＞(VCC－0.5V)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "检测电压低端阈值 维持充电",
          "symbol": "VCSLO",
          "kind": "electrical",
          "unit": "毫伏",
          "min": 35,
          "typ": 45,
          "max": 55,
          "conditions": "维持充电",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输出高电平传输延时",
          "symbol": "tDPDH",
          "kind": "electrical",
          "unit": "纳秒",
          "min": null,
          "typ": 72,
          "max": null,
          "conditions": "(VIN－VCSN)：0.15V到0.075V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输出低电平传输延时",
          "symbol": "tDPDL",
          "kind": "electrical",
          "unit": "纳秒",
          "min": null,
          "typ": 66,
          "max": null,
          "conditions": "(VIN－VCSN)：0.06V到0.135V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CSN管脚输入电流",
          "symbol": "ICSN",
          "kind": "electrical",
          "unit": "纳安",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB管脚最高电压",
          "symbol": "Vhigh",
          "kind": "electrical",
          "unit": "伏特",
          "min": 1.193,
          "typ": 1.205,
          "max": 1.217,
          "conditions": "FB管脚电压上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB恒流充电终止电压",
          "symbol": "VCCT",
          "kind": "electrical",
          "unit": "伏特",
          "min": 1.1,
          "typ": 1.125,
          "max": 1.15,
          "conditions": "FB管脚电压上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB管脚再充电阈值",
          "symbol": "Vrech",
          "kind": "electrical",
          "unit": "伏特",
          "min": 1.08,
          "typ": 1.105,
          "max": 1.13,
          "conditions": "FB管脚电压下降",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB管脚电流",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "纳安",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "VFB＝5.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "过压保护阈值",
          "symbol": "VOV",
          "kind": "electrical",
          "unit": "伏特",
          "min": 1.255,
          "typ": 1.285,
          "max": 1.315,
          "conditions": "BAT管脚电压上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "过压释放阈值",
          "symbol": "VOVRLS",
          "kind": "electrical",
          "unit": "伏特",
          "min": 1.205,
          "typ": 1.235,
          "max": 1.265,
          "conditions": "BAT管脚电压下降",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "BAT管脚流入电流",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "微安",
          "min": 4.6,
          "typ": 5.8,
          "max": 7,
          "conditions": "VBAT＝12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LDRV管脚输出电流",
          "symbol": "",
          "kind": "electrical",
          "unit": "安培",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "VCSN＝VIN, VDRV＝0.5×VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LDRV管脚下拉电流",
          "symbol": "",
          "kind": "electrical",
          "unit": "安培",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "VCSN＝VIN－0.2V，VLDRV＝0.5×VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LDRV输出低电平",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "伏特",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "ILDRV＝－5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HDRV管脚输出电流",
          "symbol": "",
          "kind": "electrical",
          "unit": "安培",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "VCSN＝VIN, VDRV＝0.5×VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HDRV管脚下拉电流",
          "symbol": "",
          "kind": "electrical",
          "unit": "安培",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "VCSN＝VIN－0.2V，VHDRV＝0.5×VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HDRV输出低电平",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "伏特",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IHDRV＝－5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE输入低电平",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "伏特",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "CE电压下降",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CE输入高电平",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "伏特",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "CE电压上升",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CE输入电流 ICEL",
          "symbol": "ICEL",
          "kind": "electrical",
          "unit": "微安",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "CE=GND，VIN=6V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CE输入电流 ICEH",
          "symbol": "ICEH",
          "kind": "electrical",
          "unit": "微安",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "CE=VIN=6V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "STAT管脚下拉电流",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "毫安",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "VSTAT=0.3V，结束模式",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "STAT管脚输出电流",
          "symbol": "ISRC",
          "kind": "electrical",
          "unit": "毫安",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "VSTAT=4.7V，充电模式",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN、CSN、CE管脚电压",
          "symbol": "VIN, CSN, CE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT管脚电压",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CSN与VIN管脚电压",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "STAT、LDRV和HDRV管脚电压",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB和CT管脚电压",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "最大结温",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "存储温度",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cn3387"
  ],
  "discovery_pitch": "CN3387 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cn3387.kicad_sym",
    "cn3387.kicad_mod",
    "cn3387.glb",
    "cn3387.step",
    "cn3387.lbr",
    "docs/hero.png",
    "docs/cn3387-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cn3387-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CN3387",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:21:35.155Z"
}