CS5464-ISZ

{
  "slug": "cs5464-isz",
  "version": "0.1.0",
  "type": "component",
  "description": "Cirrus Logic Energy Metering ICs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data converters",
    "cs5464-isz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs5464-isz.kicad_sym",
    "cs5464-isz.kicad_mod",
    "cs5464-isz.glb",
    "cs5464-isz.step",
    "cs5464-isz.lbr",
    "docs/hero.png",
    "docs/cs5464-isz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs5464-isz-hero.glb",
    "cs5464-isz-hero.overlay.json",
    "cs5464-isz-etched.glb"
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  "component": {
    "mpn": "CS5464-ISZ",
    "manufacturer": "Cirrus Logic",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Data Converters",
    "subcategory": "Energy Metering ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/08d1b51af6bc4bbc9d19ba60aa169527.pdf",
    "parts": {
      "symbol": "cs5464-isz.kicad_sym",
      "footprint": "cs5464-isz.kicad_mod",
      "model_3d": "cs5464-isz-hero.glb",
      "model_3d_plain": "cs5464-isz-etched.glb",
      "model_3d_step": "cs5464-isz-etched.step",
      "model_3d_step_plain": "cs5464-isz.step",
      "lbr": "cs5464-isz.lbr"
    },
    "distributor_links": {
      "lcsc": "C28656",
      "digikey": "598-CS5464-ISZ-ND",
      "mouser": "777-CS5464-ISZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:31:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "598-CS5464-ISZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "777-CS5464-ISZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "XOUT",
        "type": "passive",
        "description": "Crystal oscillator output pin, connected to an external quartz crystal (an external clock may instead be supplied to XIN)."
      },
      {
        "number": "2",
        "name": "CPUCLK",
        "type": "output",
        "description": "Logic-level clock output from the crystal oscillator to drive an external CPU, inverted from XIN by default."
      },
      {
        "number": "3",
        "name": "VD+",
        "type": "power_in",
        "description": "Positive digital supply, 3.135 V to 5.25 V per the recommended operating conditions."
      },
      {
        "number": "4",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, the 0 V reference for the digital supply."
      },
      {
        "number": "5",
        "name": "SCLK",
        "type": "bidirectional",
        "description": "Serial clock; a Schmitt-trigger input when MODE is low and a driven output when MODE is high."
      },
      {
        "number": "6",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output clocked by SCLK; its output drivers are disabled whenever CS is de-asserted."
      },
      {
        "number": "7",
        "name": "CS",
        "type": "bidirectional",
        "description": "Chip select that enables the serial interface when MODE is low and is a driven output when MODE is high."
      },
      {
        "number": "8",
        "name": "MODE",
        "type": "input",
        "description": "High selects an external E2PROM and low selects an external microcontroller; it has a weak internal pull-down."
      },
      {
        "number": "9",
        "name": "VIN+",
        "type": "power_in",
        "description": "Positive differential voltage input feeding the 10x fixed-gain voltage channel with a full-scale of ±250 mV."
      },
      {
        "number": "10",
        "name": "VIN-",
        "type": "power_in",
        "description": "Negative differential voltage input of the voltage channel."
      },
      {
        "number": "11",
        "name": "VREFOUT",
        "type": "output",
        "description": "On-chip voltage reference output, nominally 2.5 V referenced to AGND, not recommended for driving external circuits."
      },
      {
        "number": "12",
        "name": "VREFIN",
        "type": "input",
        "description": "Voltage reference input requiring a stable 2.5 V, connected to VREFOUT or an external 2.5 V reference."
      },
      {
        "number": "13",
        "name": "TEST1",
        "type": "passive",
        "description": "Factory use only; connect to AGND."
      },
      {
        "number": "14",
        "name": "TEST2",
        "type": "passive",
        "description": "Factory use only; connect to AGND."
      },
      {
        "number": "15",
        "name": "IIN2-",
        "type": "passive",
        "description": "Negative differential input of the current channel 2."
      },
      {
        "number": "16",
        "name": "IIN2+",
        "type": "passive",
        "description": "Positive differential input of the current channel 2."
      },
      {
        "number": "17",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, the reference for the analog inputs and VREFOUT."
      },
      {
        "number": "18",
        "name": "VA+",
        "type": "power_in",
        "description": "Positive analog supply, 4.75 V to 5.25 V per the recommended operating conditions."
      },
      {
        "number": "19",
        "name": "IIN1-",
        "type": "passive",
        "description": "Negative differential input of the current channel 1."
      },
      {
        "number": "20",
        "name": "IIN1+",
        "type": "passive",
        "description": "Positive differential input of the current channel 1."
      },
      {
        "number": "21",
        "name": "PFMON",
        "type": "input",
        "description": "Power fail monitor input, fed through a resistive divider from the unregulated supply; its comparator trips around the VREFIN level."
      },
      {
        "number": "22",
        "name": "E3",
        "type": "output",
        "description": "Primarily active-low energy pulse output that can be programmed to output other conditions."
      },
      {
        "number": "23",
        "name": "RESET",
        "type": "input",
        "description": "Active-low Schmitt-trigger input that halts all operations and resets the chip when asserted."
      },
      {
        "number": "24",
        "name": "INT",
        "type": "output",
        "description": "Active-low interrupt output that indicates an enabled condition has occurred."
      },
      {
        "number": "25",
        "name": "E1",
        "type": "output",
        "description": "Primarily active-low energy pulse output that can be programmed to output other conditions."
      },
      {
        "number": "26",
        "name": "E2",
        "type": "output",
        "description": "Primarily active-low energy pulse output that can be programmed to output other conditions."
      },
      {
        "number": "27",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input clocked in by SCLK."
      },
      {
        "number": "28",
        "name": "XIN",
        "type": "input",
        "description": "Crystal input for an external quartz crystal, or an external clock input for the system clock."
      }
    ],
    "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": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The page 6 pin list is garbled. Pins 1 and 28 (XOUT/XIN) and 13/14 (TEST1/TEST2) were mapped from th; Pin 26 has a blank line in the page 6 lookup table. E2 was taken from the Energy Outputs entry (22, ",
          "5/28 pins cited to the wrong page (name found elsewhere): ['1:XOUT@p6', '11:VREFOUT@p17', '12:VREFIN@p17', '21:PFMON@p17']"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0349,
        "at": "2026-10-28T16:31:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/08d1b51af6bc4bbc9d19ba60aa169527.pdf",
        "pages": 46,
        "sha256": "a6f6b7e7235d37d8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "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": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs5464-isz-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": "3d2a3b5046551402ab856e1cc84541d3e8a986cc7ce4249ad1626faba9bf8a02",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}