CD5032ITS

{
  "slug": "cd5032its",
  "version": "0.1.0",
  "type": "component",
  "description": "Shenzhen CYT Semicon Tech DC-DC Converters, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management",
    "cd5032its",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd5032its.kicad_sym",
    "cd5032its.kicad_mod",
    "cd5032its.glb",
    "cd5032its.step",
    "cd5032its.lbr",
    "docs/hero.png",
    "docs/cd5032its-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd5032its-hero.glb",
    "cd5032its-hero.overlay.json",
    "cd5032its-etched.glb"
  ],
  "component": {
    "mpn": "CD5032ITS",
    "manufacturer": "Shenzhen CYT Semicon Tech",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Power Management",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2cdce6c2968f2fb42f67f8de8d78018f.pdf",
    "parts": {
      "symbol": "cd5032its.kicad_sym",
      "footprint": "cd5032its.kicad_mod",
      "model_3d": "cd5032its-hero.glb",
      "model_3d_plain": "cd5032its-etched.glb",
      "model_3d_step": "cd5032its-etched.step",
      "model_3d_step_plain": "cd5032its.step",
      "lbr": "cd5032its.lbr"
    },
    "distributor_links": {
      "lcsc": "C7502982"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:28:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin with an input range of +13V to +100V and 105V transient voltage withstand capability."
      },
      {
        "number": "2",
        "name": "COMP1",
        "type": "input",
        "description": "Channel 1 voltage feedback pin, attenuated by an internal 1/3 divider before the PWM comparator inverting input, with an internal 5kΩ pull-up to 5V that biases the optocoupler transistor."
      },
      {
        "number": "3",
        "name": "CS1",
        "type": "input",
        "description": "Channel 1 current sense and cycle-by-cycle limit pin; the OUT1 pulse terminates immediately when CS1 exceeds 0.5V, and the pin voltage must not exceed 1.25V."
      },
      {
        "number": "4",
        "name": "SS1",
        "type": "input",
        "description": "Channel 1 soft-start pin with an internal 50μA current source charging the external capacitor; forcing SS1 below 0.5V shuts down the channel 1 controller."
      },
      {
        "number": "5",
        "name": "UVLO",
        "type": "input",
        "description": "Input undervoltage lockout pin with a 1.25V comparator reference and a switchable 20μA current source for hysteresis; its voltage also affects the maximum duty cycle."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_out",
        "description": "High-voltage start regulator output at 7.7V with a minimum 19mA current limit."
      },
      {
        "number": "7",
        "name": "OUT1",
        "type": "output",
        "description": "Channel 1 gate driver output for the primary-side switch, swinging between VCC and GND1 at half the oscillator frequency."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Channel 1 ground, including the switch driver, PWM controller, soft-start and maintain functions."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Channel 2 ground, including the switch driver, PWM controller, soft-start and maintain functions."
      },
      {
        "number": "10",
        "name": "OUT2",
        "type": "output",
        "description": "Channel 2 gate driver output for the primary-side switch, swinging between VCC and GND2 at half the oscillator frequency."
      },
      {
        "number": "11",
        "name": "RES",
        "type": "input",
        "description": "Hiccup mode restart adjustment pin; an external capacitor sets the duration of cycle-by-cycle current limiting before forced restart, with a comparator threshold of 2.55V."
      },
      {
        "number": "12",
        "name": "SS2",
        "type": "input",
        "description": "Channel 2 soft-start pin with an internal 50μA current source charging the external capacitor; forcing SS2 below 0.5V shuts down the channel 2 controller."
      },
      {
        "number": "13",
        "name": "CS2",
        "type": "input",
        "description": "Channel 2 current sense and cycle-by-cycle limit pin; the OUT2 pulse terminates immediately when CS2 exceeds 0.5V, and the pin voltage must not exceed 1.25V."
      },
      {
        "number": "14",
        "name": "COMP2",
        "type": "input",
        "description": "Channel 2 voltage feedback pin, attenuated by an internal 1/3 divider before the PWM comparator inverting input, with an internal 5kΩ pull-up to 5V that biases the optocoupler transistor."
      },
      {
        "number": "15",
        "name": "DCL",
        "type": "input",
        "description": "Duty cycle limit pin; an external resistor sets the maximum allowed duty cycle for OUT1 and OUT2."
      },
      {
        "number": "16",
        "name": "RT/SYNC",
        "type": "input",
        "description": "Oscillator setting and synchronization input; an external resistor sets the oscillation frequency and the pin also accepts an AC-coupled external sync pulse."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 12,
        "cost_usd": 0.001,
        "at": "2026-10-27T00:28:07"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2cdce6c2968f2fb42f67f8de8d78018f.pdf",
        "pages": 12,
        "sha256": "290a7b2065eeec82",
        "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"
    },
    "models_3d": [
      {
        "file": "cd5032its.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd5032its-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9488ae0262084c3a74ae324c23ac84b424ad429c5d0f5c624eb51ff7bf58c40e",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}