XC9142B50CMR-G

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  "slug": "xc9142b50cmr-g",
  "title": "XC9142B50CMR-G",
  "brief": "Torex Semicon DC-DC Converters, SOT-25-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "XC9142B50CMR-G",
    "manufacturer": "Torex Semicon",
    "package": "SOT-25-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e9c2c3e995260bddea0b019e1874549c.pdf",
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      "lbr": "xc9142b50cmr-g.lbr"
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    "distributor_links": {
      "lcsc": "C2468807",
      "digikey": "893-1373-2-ND",
      "mouser": "865-XC9142B50CMR-G"
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      "source": "Component Ocean /api/assign-pns",
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    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input: H = active, L = stand-by; it is a CMOS input that must not be left open, and the CE voltage range is -0.3 to +7.0 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, the reference voltage for all other voltages; use a thick ground trace with sufficient strength."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_in",
        "description": "Power input with an input voltage range of 0.65 V to 6.0 V (absolute maximum -0.3 to +7.0 V); place the input bypass capacitor CIN close to this pin."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage pin (fixed 1.8 V to 5.5 V, absolute maximum -0.3 to +7.0 V); on type B the input is bypassed to the output at stand-by, so it must not be connected to another supply."
      },
      {
        "number": "5",
        "name": "Lx",
        "type": "passive",
        "description": "Switching node connected to the external inductor, with a voltage range of -0.3 to +7.0 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-27T01:00:51"
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        "pages": 34,
        "sha256": "cac21233c885a026",
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      "Package": "SOT-25-5",
      "Category": "Power Supply Chip",
      "Pins": "5"
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          "max": 5.1,
          "conditions": "Voltage to start oscillation while VOUT=VOUT(T)x1.03→VOUT(T)x0.97; Ta=25℃",
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        {
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          "name": "Operation Start Voltage",
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          "name": "Oscillation Frequency",
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          "conditions": "VBAT=VOUT(T)x0.5, IOUT=100mA, fOSC=1.2MHz",
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        {
          "name": "Maximum Duty Cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
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          "conditions": "VBAT=1.2V, VOUT=VOUT(T)-0.2V, fOSC=1.2MHz",
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        {
          "name": "Minimum Duty Cycle",
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          "kind": "electrical",
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          "max": 0,
          "conditions": "VOUT=VBAT=VOUT(T)+0.5V",
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        {
          "name": "PFM Switching Current",
          "symbol": "IPFM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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          "max": 230,
          "conditions": "VBAT=1.5V, RL selected with VOUT(T), Table 1",
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        {
          "name": "Efficiency (XC9142)",
          "symbol": "EFFI",
          "kind": "electrical",
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          "min": null,
          "typ": 86,
          "max": null,
          "conditions": "VBAT=VOUT(T)x0.6, RL selected with VOUT(T), Table 1; designed value",
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        {
          "name": "Efficiency",
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          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "VBAT=VOUT(T)x0.6, IOUT=100mA; designed value",
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          "name": "Stand-by Current (A,B,D,E type)",
          "symbol": "ISTB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 1,
          "conditions": "VBAT=VLx=6.0V, VCE=0.0V, VOUT=OPEN (B type)",
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        {
          "name": "Lx SW Pch ON Resistance",
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          "name": "Lx SW H Leakage Current (A,B,D,E type)",
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          "name": "Current Limit",
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          "min": 1.07,
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          "name": "Soft-Start Time",
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          "min": 0.6,
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          "conditions": "VBAT=VOUT(T)x0.6, VOUT=VOUT(T)x0.9, fOSC=1.2MHz",
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          "name": "Bypass SW Resistance (B Type)",
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          "unit": "Ω",
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          "min": -0.1,
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          "conditions": "VBAT=6.0V, VOUT=6.0V, VLx=6.0V, VCE=0.0V",
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          "conditions": "Ta=25℃",
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