SG2525M

{
  "schema_version": 1,
  "type": "component",
  "slug": "sg2525m",
  "title": "SG2525M",
  "brief": "HGSEMI AC-DC Controllers and Regulators, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "sg2525m"
  ],
  "component": {
    "mpn": "SG2525M",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2405111453_HGSEMI-SG2525M-TR_C22396905.pdf",
    "parts": {
      "symbol": "sg2525m.kicad_sym",
      "footprint": "sg2525m.kicad_mod",
      "model_3d": "sg2525m-etched.glb",
      "model_3d_plain": "sg2525m.glb",
      "model_3d_step": "sg2525m-etched.step",
      "model_3d_step_plain": "sg2525m.step",
      "lbr": "sg2525m.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Inv. Input",
        "type": "input",
        "description": "Inverting input of the internal error amplifier. Typical input offset 1.5 mV, input bias current 1 µA, common-mode range 1.5 to 5.2 V."
      },
      {
        "number": "2",
        "name": "Noninv. Input",
        "type": "input",
        "description": "Non-inverting input of the internal error amplifier. Common-mode input range 1.5 V to 5.2 V; typically tied to VREF (5.1 V) via a divider for voltage-mode regulation."
      },
      {
        "number": "3",
        "name": "Sync",
        "type": "bidirectional",
        "description": "Oscillator synchronization pin, active-low. Sync threshold 1.2-2.8 V (typ 2 V); sync input current ~1.3 mA at 3.5 V. Allows master/slave operation or synchronization to an external clock."
      },
      {
        "number": "4",
        "name": "OSC. Output",
        "type": "output",
        "description": "Oscillator clock output. Clock amplitude 3-4 V (typ), pulse width 0.3-1 µs at TJ=25 °C. Available to drive external logic or provide sync to other SG2525/SG3525 devices."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor connection. Together with RT sets the oscillator frequency (100 Hz to 500 kHz range; e.g. RT=2 kΩ, CT=470 pF → ~430 kHz; RT=200 kΩ, CT=0.1 µF → ~60 Hz)."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor connection. Sets oscillator charging current; combined with CT determines the oscillator frequency."
      },
      {
        "number": "7",
        "name": "Discharge",
        "type": "passive",
        "description": "Discharge pin for the timing capacitor. A resistor between CT (pin 5) and Discharge (pin 7) programs the dead time between the two outputs."
      },
      {
        "number": "8",
        "name": "Soft-Start",
        "type": "passive",
        "description": "Soft-start capacitor pin (C_Soft-Start). Charged by an internal ~51 µA current source to gradually ramp the PWM duty cycle at start-up."
      },
      {
        "number": "9",
        "name": "Compensation",
        "type": "output",
        "description": "Error-amplifier output / PWM comparator input. Used for loop compensation; PWM input threshold 0.7-0.9 V (0% duty) up to ~3.2-3.6 V (max duty ~49%)."
      },
      {
        "number": "10",
        "name": "Shutdown",
        "type": "input",
        "description": "Active-high shutdown input. Threshold 0.6-1.0 V (typ 0.8 V); drives both outputs low and discharges the soft-start capacitor for cycle-by-cycle pulse termination or full shutdown."
      },
      {
        "number": "11",
        "name": "Output A",
        "type": "output",
        "description": "Totem-pole PWM output A. Source/sink capability >150 mA (peak 400 mA); VOH ≥17 V at 100 mA source (VCC=20 V), VOL ≤2 V at 100 mA sink. Alternates with Output B at half the oscillator frequency."
      },
      {
        "number": "12",
        "name": "Ground",
        "type": "power_in",
        "description": "Signal and power ground return for the device."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Output-stage collector supply for the totem-pole drivers. Maximum 40 V; typically bypassed to ground with 0.1 µF close to the pin. Allows the output stage to be powered separately from VCC."
      },
      {
        "number": "14",
        "name": "Output B",
        "type": "output",
        "description": "Totem-pole PWM output B. Complementary to Output A; source/sink >150 mA. Push-pull pair drives external power switches or transformer primaries."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply input. Operating range 8-35 V (absolute max 40 V); typical ICC ~12 mA at VCC=35 V. UVLO threshold ~7 V with hysteresis. Bypass with 0.1 µF close to the pin."
      },
      {
        "number": "16",
        "name": "Vref",
        "type": "power_out",
        "description": "5.1 V ±1% internal reference output. Load capability up to 20 mA (short-circuit ~80 mA); line/load/temperature guaranteed 4.95-5.25 V. Bypass with 0.1 µF to ground."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2405111453_HGSEMI-SG2525M-TR_C22396905.pdf",
        "pages": 9,
        "sha256": "257c81ee012cd504",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sg2525m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sg2525m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "125213fe5e0edb2b5dcbd47f61b5608ece03bdbbc65a429a77c9a4ec9e0e5307",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-16",
      "Category": "PMIC",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sg2525m"
  ],
  "discovery_pitch": "SG2525M (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sg2525m.kicad_sym",
    "sg2525m.kicad_mod",
    "sg2525m.glb",
    "sg2525m.step",
    "sg2525m-etched.step",
    "sg2525m.lbr",
    "docs/hero.png",
    "docs/sg2525m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SG2525MM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "SG2525MN",
      "kind": "packaging"
    },
    {
      "mpn": "SG2525MMT/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T05:44:22.461Z"
}