TM1628L

{
  "schema_version": 1,
  "type": "component",
  "slug": "tm1628l",
  "title": "TM1628L",
  "brief": "TM Shenzhen Titan Micro Elec LED Drivers, SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led drivers",
    "tm1628l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TM1628L",
    "manufacturer": "TM Shenzhen Titan Micro Elec",
    "package": "SOP-28",
    "pin_count": 28,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590440926310408192",
    "parts": {
      "symbol": "tm1628l.kicad_sym",
      "footprint": "tm1628l.kicad_mod",
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      "lbr": "tm1628l.lbr"
    },
    "distributor_links": {
      "lcsc": "C5174547"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:53:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Empty pin with no internal connection; the datasheet lists it as 内部无连线 (no internal wiring)."
      },
      {
        "number": "2",
        "name": "DIO",
        "type": "bidirectional",
        "description": "Serial data input/output that samples data on the CLK rising edge and outputs data on the CLK falling edge, LSB first, with an internal 20K pull-up resistor."
      },
      {
        "number": "3",
        "name": "CLK",
        "type": "input",
        "description": "Serial clock input that reads data on the rising edge and outputs data on the falling edge, with an internal 20K pull-up resistor."
      },
      {
        "number": "4",
        "name": "STB",
        "type": "input",
        "description": "Chip-select input that initializes the serial interface on its falling edge, causes the first byte after STB goes low to be treated as a command, and causes CLK to be ignored while STB is high; it has an internal 20K pull-up resistor."
      },
      {
        "number": "5",
        "name": "K1",
        "type": "input",
        "description": "Key-scan data input whose value is latched after the display cycle ends."
      },
      {
        "number": "6",
        "name": "K2",
        "type": "input",
        "description": "Key-scan data input whose value is latched after the display cycle ends."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic power supply input; the normal operating range is 3 V to 5.5 V with 5 V typical."
      },
      {
        "number": "8",
        "name": "SEG1/KS1",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "9",
        "name": "SEG2/KS2",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "10",
        "name": "SEG3/KS3",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "11",
        "name": "SEG4/KS4",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "12",
        "name": "SEG5/KS5",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "13",
        "name": "SEG6/KS6",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "14",
        "name": "SEG7/KS7",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "15",
        "name": "SEG8/KS8",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "16",
        "name": "SEG9/KS9",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "17",
        "name": "SEG10/KS10",
        "type": "output",
        "description": "Segment output that doubles as key-scan output, with a P-channel open-drain output stage and an LED segment drive current limit of -50 mA."
      },
      {
        "number": "18",
        "name": "GRID5/SEG14",
        "type": "output",
        "description": "Multiplexed segment/grid output that serves as GRID5 or SEG14, with a grid sink current limit of 200 mA."
      },
      {
        "number": "19",
        "name": "GRID6/SEG13",
        "type": "output",
        "description": "Multiplexed segment/grid output that serves as GRID6 or SEG13, with a grid sink current limit of 200 mA."
      },
      {
        "number": "20",
        "name": "GRID7/SEG12",
        "type": "output",
        "description": "Multiplexed segment/grid output that serves as GRID7 or SEG12, with a grid sink current limit of 200 mA."
      },
      {
        "number": "21",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic power supply input; the normal operating range is 3 V to 5.5 V with 5 V typical."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Logic ground that must be connected to system ground."
      },
      {
        "number": "23",
        "name": "GRID4",
        "type": "output",
        "description": "Digit output with an N-channel open-drain output stage and a grid sink current limit of 200 mA."
      },
      {
        "number": "24",
        "name": "GRID3",
        "type": "output",
        "description": "Digit output with an N-channel open-drain output stage and a grid sink current limit of 200 mA."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Logic ground that must be connected to system ground."
      },
      {
        "number": "26",
        "name": "GRID2",
        "type": "output",
        "description": "Digit output with an N-channel open-drain output stage and a grid sink current limit of 200 mA."
      },
      {
        "number": "27",
        "name": "GRID1",
        "type": "output",
        "description": "Digit output with an N-channel open-drain output stage and a grid sink current limit of 200 mA."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Logic ground that must be connected to system ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "guard_notes": [
          "extractor flagged: The page 1 pin diagram text is scrambled (pin labels and numbers are out of order in the extraction); The datasheet gives SOP28 as the only package, so this pinout applies to the SOP-28 variant. No othe; The datasheet does not state a pin type for SEG/KS and GRID pins beyond open-drain output stages; th"
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        "total": 28,
        "described": 28,
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  "metadata": {
    "specs": {
      "Manufacturer": "TM Shenzhen Titan Micro Elec",
      "Package": "SOP-28",
      "Category": "LED Drivers",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "逻辑电源电压 (Logic supply voltage)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 5,
          "max": 5.5,
          "conditions": "Ta = -20 ～ +80℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "高电平输入电压 (High-level input voltage)",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "VDD",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "Ta = -20 ～ +80℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "低电平输入电压 (Low-level input voltage)",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "VDD",
          "min": 0,
          "typ": null,
          "max": 0.3,
          "conditions": "Ta = -20 ～ +80℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "逻辑电源电压 (Logic supply voltage, absolute max)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "Ta = 25℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "逻辑输入电压 (Logic input voltage)",
          "symbol": "VI1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Ta = 25℃, Vss = 0V",
          "source_page": 15,
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        },
        {
          "name": "LED SEG 驱动输出电流 (LED SEG drive output current)",
          "symbol": "IO1",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "Ta = 25℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "LED GRID 驱动输出电流 (LED GRID drive output current)",
          "symbol": "IO2",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Ta = 25℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "功率损耗 (Power dissipation)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Ta = 25℃, Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "工作温度 (Operating temperature)",
          "symbol": "Topt",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 80,
          "conditions": "Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "储存温度 (Storage temperature)",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "Vss = 0V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "高电平输出电流 (High-level output current)",
          "symbol": "Ioh1",
          "kind": "electrical",
          "unit": "mA",
          "min": 20,
          "typ": 35,
          "max": 50,
          "conditions": "SEG1～SEG10, Vo = VDD -3V",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "低电平输入电流 (Low-level input current, as printed, GRID pins)",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 80,
          "typ": 120,
          "max": null,
          "conditions": "GRID1～GRID7, Vo=0.3V",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "低电平输出电流 (Low-level output current)",
          "symbol": "Idout",
          "kind": "electrical",
          "unit": "mA",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "Vo = 0.4V, Dout",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "高电平输出电流容许量 (High-level output current tolerance)",
          "symbol": "Itolsg",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Vo = VDD – 3V, SEG1～SEG10",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "高电平输入电压 (High-level input voltage, electrical table)",
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          "kind": "electrical",
          "unit": "VDD",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "CLK, DIO, STB",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "低电平输入电压 (Low-level input voltage, electrical table)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "VDD",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "CLK, DIO, STB",
          "source_page": 16,
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        },
        {
          "name": "传输延迟时间 (Propagation delay time)",
          "symbol": "tPLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "CLK → DOUT",
          "source_page": 16,
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        {
          "name": "传输延迟时间 (Propagation delay time)",
          "symbol": "tPZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "CL = 15pF, RL = 10KΩ",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "上升时间 (Rise time)",
          "symbol": "tTZH 1",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "CL = 300pF, SEG1～SEG10",
          "source_page": 16,
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        {
          "name": "上升时间 (Rise time)",
          "symbol": "tTZH 2",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "GRID1～GRID4, SEG12/GRID7～SEG14/GRID5",
          "source_page": 16,
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        },
        {
          "name": "下降时间 (Fall time)",
          "symbol": "tTHZ",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "CL = 300pF, SEGn, GRIDn",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "最大输入时钟频率 (Maximum input clock frequency)",
          "symbol": "Fmax",
          "kind": "timing",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "占空比50% (duty cycle 50%)",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "输入电容 (Input capacitance)",
          "symbol": "CI",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "时钟脉冲宽度 (Clock pulse width)",
          "symbol": "PWCLK",
          "kind": "timing",
          "unit": "ns",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "选通脉冲宽度 (Strobe pulse width)",
          "symbol": "PWSTB",
          "kind": "timing",
          "unit": "μs",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "数据建立时间 (Data setup time)",
          "symbol": "tSETUP",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "数据保持时间 (Data hold time)",
          "symbol": "tHOLD",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "CLK →STB 时间 (CLK to STB time)",
          "symbol": "tCLK-STB",
          "kind": "timing",
          "unit": "μs",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "CLK↑→STB↑",
          "source_page": 17,
          "source": "datasheet"
        }
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