KA7500CDTF

{
  "schema_version": 1,
  "type": "component",
  "slug": "ka7500cdtf",
  "title": "KA7500CDTF",
  "brief": "onsemi AC-DC Controllers and Regulators, SO-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "ka7500cdtf"
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  "component": {
    "mpn": "KA7500CDTF",
    "manufacturer": "onsemi",
    "package": "SO-16",
    "pin_count": 16,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201242300_onsemi-KA7500CDTF_C124458.pdf",
    "parts": {
      "symbol": "ka7500cdtf.kicad_sym",
      "footprint": "ka7500cdtf.kicad_mod",
      "model_3d": "ka7500cdtf-etched.glb",
      "model_3d_plain": "ka7500cdtf.glb",
      "model_3d_step": "ka7500cdtf-etched.step",
      "model_3d_step_plain": "ka7500cdtf.step",
      "lbr": "ka7500cdtf.lbr"
    },
    "distributor_links": {
      "lcsc": "C124458"
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of error amplifier 1 (EA1). Feedback sense input; common-mode range -0.3 V to VCC-2.0 V."
      },
      {
        "number": "2",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of error amplifier 1 (EA1). Typically tied to a reference divider from VREF for output voltage regulation."
      },
      {
        "number": "3",
        "name": "FB/COMP",
        "type": "bidirectional",
        "description": "Feedback / compensation node. Common output of both error amplifiers and PWM comparator input. Used for loop compensation (typ. RC network to EA input)."
      },
      {
        "number": "4",
        "name": "DTC",
        "type": "input",
        "description": "Dead-Time Control input. Sets minimum dead time and maximum duty cycle. Threshold: 0 V for max duty (~45%), 3.0-3.3 V for zero duty. Input range 0.3-5.3 V."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor connection. Typical CT = 0.0047 µF to 10 µF sets ramp for oscillator (1 kHz-200 kHz operating range)."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor connection. RT sets charging current for CT; typical RT = 1.8 kΩ-500 kΩ. Ground RT and tie pin 5 to VREF for slave operation."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. All internal circuit ground returns."
      },
      {
        "number": "8",
        "name": "C1",
        "type": "output",
        "description": "Collector of output transistor 1. Uncommitted; supports common-emitter or emitter-follower drive. VC max 40 V, IC max 200 mA per output."
      },
      {
        "number": "9",
        "name": "E1",
        "type": "output",
        "description": "Emitter of output transistor 1. Uncommitted output. Tie low for common-emitter drive; use for emitter-follower drive."
      },
      {
        "number": "10",
        "name": "E2",
        "type": "output",
        "description": "Emitter of output transistor 2. Uncommitted output paired with C2."
      },
      {
        "number": "11",
        "name": "C2",
        "type": "output",
        "description": "Collector of output transistor 2. Uncommitted; VC max 40 V, IC max 200 mA. Used with C1/E1 for push-pull or paralleled for single-ended operation."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Main device supply. Recommended 7-40 V (abs max 42 V). Typical operating current ~6 mA at VCC=15 V."
      },
      {
        "number": "13",
        "name": "OC",
        "type": "input",
        "description": "Output Control. Selects operating mode: tie to GND for single-ended (parallel) output; tie to VREF for push-pull operation (outputs alternate at half oscillator frequency)."
      },
      {
        "number": "14",
        "name": "VREF",
        "type": "power_out",
        "description": "Trimmed 5 V ±1% bandgap reference output. Max source current 10 mA; short-circuit current limited to ~35 mA."
      },
      {
        "number": "15",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of error amplifier 2 (EA2). Can be used for a second regulation loop (e.g. current limit) or tied off if unused."
      },
      {
        "number": "16",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of error amplifier 2 (EA2). Second-loop sense input; common-mode range -0.3 V to VCC-2.0 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201242300_onsemi-KA7500CDTF_C124458.pdf",
        "pages": 9,
        "sha256": "8e9c49cee72bca94",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "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"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SO-16",
      "Category": "PMIC",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "ka7500cdtf"
  ],
  "discovery_pitch": "KA7500CDTF (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "ka7500cdtf.lbr",
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  "visibility": {
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  "variants": [
    {
      "mpn": "KA7500CDTF",
      "kind": "packaging"
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  "updated_at": "2026-09-24T23:19:22.132Z"
}