ATM90E36A-AU-R

{
  "slug": "atm90e36a-au-r",
  "version": "0.1.1",
  "type": "component",
  "description": "Microchip Tech Energy Metering, TQFP-48(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "atm90e36a-au-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atm90e36a-au-r.kicad_sym",
    "atm90e36a-au-r.kicad_mod",
    "atm90e36a-au-r.glb",
    "atm90e36a-au-r.step",
    "atm90e36a-au-r.lbr",
    "docs/hero.png",
    "docs/atm90e36a-au-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atm90e36a-au-r-etched.step",
    "atm90e36a-au-r-hero.glb",
    "atm90e36a-au-r-hero.overlay.json"
  ],
  "component": {
    "mpn": "ATM90E36A-AU-R",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Data Acquisition",
    "subcategory": "Energy Metering",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904577643532288",
    "parts": {
      "symbol": "atm90e36a-au-r.kicad_sym",
      "footprint": "atm90e36a-au-r.kicad_mod",
      "model_3d": "atm90e36a-au-r-hero.glb",
      "model_3d_plain": "atm90e36a-au-r.glb",
      "model_3d_step": "atm90e36a-au-r-etched.step",
      "model_3d_step_plain": "atm90e36a-au-r.step",
      "lbr": "atm90e36a-au-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C481363"
    },
    "pins": [
      {
        "number": "1",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply 3.3V; must connect to DVDD and be decoupled with 0.1μF capacitor"
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference"
      },
      {
        "number": "3",
        "name": "I1P",
        "type": "input",
        "description": "Positive differential input for phase A current measurement from current transformer or Rogowski coil"
      },
      {
        "number": "4",
        "name": "I1N",
        "type": "input",
        "description": "Negative differential input for phase A current measurement; I1/I3 mapping can be swapped via I1I3Swap bit"
      },
      {
        "number": "5",
        "name": "I2P",
        "type": "input",
        "description": "Positive differential input for phase B current measurement from current transformer or Rogowski coil"
      },
      {
        "number": "6",
        "name": "I2N",
        "type": "input",
        "description": "Negative differential input for phase B current measurement"
      },
      {
        "number": "7",
        "name": "I3P",
        "type": "input",
        "description": "Positive differential input for phase C current measurement from current transformer or Rogowski coil"
      },
      {
        "number": "8",
        "name": "I3N",
        "type": "input",
        "description": "Negative differential input for phase C current measurement; I1/I3 mapping can be swapped via I1I3Swap bit"
      },
      {
        "number": "9",
        "name": "I4P",
        "type": "input",
        "description": "Positive differential input for neutral line current measurement from current transformer or Rogowski coil"
      },
      {
        "number": "10",
        "name": "I4N",
        "type": "input",
        "description": "Negative differential input for neutral line current measurement"
      },
      {
        "number": "11",
        "name": "Vref",
        "type": "power_in",
        "description": "1.2V reference voltage output for 1Mhz energy accumulation; must be decoupled with 10μF, 0.1μF and 1nF capacitors"
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference"
      },
      {
        "number": "13",
        "name": "V1P",
        "type": "input",
        "description": "Positive differential input for phase A voltage measurement from resistor divider or potential transformer"
      },
      {
        "number": "14",
        "name": "V1N",
        "type": "input",
        "description": "Negative differential input for phase A voltage measurement"
      },
      {
        "number": "15",
        "name": "V2P",
        "type": "input",
        "description": "Positive differential input for phase B voltage measurement from resistor divider or potential transformer"
      },
      {
        "number": "16",
        "name": "V2N",
        "type": "input",
        "description": "Negative differential input for phase B voltage measurement"
      },
      {
        "number": "17",
        "name": "V3P",
        "type": "input",
        "description": "Positive differential input for phase C voltage measurement from resistor divider or potential transformer"
      },
      {
        "number": "18",
        "name": "V3N",
        "type": "input",
        "description": "Negative differential input for phase C voltage measurement"
      },
      {
        "number": "19",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference"
      },
      {
        "number": "20",
        "name": "OSCI",
        "type": "input",
        "description": "External crystal oscillator input for 16.384 MHz crystal with integrated on-chip load capacitors"
      },
      {
        "number": "21",
        "name": "OSCO",
        "type": "output",
        "description": "External crystal oscillator output for 16.384 MHz crystal with integrated on-chip load capacitors"
      },
      {
        "number": "22",
        "name": "ZX0",
        "type": "output",
        "description": "Zero-crossing detection output asserted when voltage or current crosses zero; source and mode configured by ZXConfig register"
      },
      {
        "number": "23",
        "name": "ZX1",
        "type": "output",
        "description": "Zero-crossing detection output asserted when voltage or current crosses zero; source and mode configured by ZXConfig register"
      },
      {
        "number": "24",
        "name": "ZX2",
        "type": "output",
        "description": "Zero-crossing detection output asserted when voltage or current crosses zero; source and mode configured by ZXConfig register"
      },
      {
        "number": "25",
        "name": "CF1",
        "type": "output",
        "description": "All-phase-sum total active energy pulse output with programmable pulse width regulation per CFx pulse configuration"
      },
      {
        "number": "26",
        "name": "CF2",
        "type": "output",
        "description": "All-phase-sum reactive or apparent energy pulse output; output determined by CF2varh and CF2ESV configuration bits"
      },
      {
        "number": "27",
        "name": "CF3",
        "type": "output",
        "description": "All-phase-sum total active fundamental energy pulse output with pulse width regulation"
      },
      {
        "number": "28",
        "name": "CF4",
        "type": "output",
        "description": "All-phase-sum total active harmonic energy pulse output with pulse width regulation"
      },
      {
        "number": "29",
        "name": "WarnOut",
        "type": "output",
        "description": "Fatal error warning output asserted high when metering parameter checksum error detected, otherwise stays low"
      },
      {
        "number": "30",
        "name": "IRQ0",
        "type": "output",
        "description": "Interrupt output 0 asserted when SysStatus0 register events occur; used for current detector output in Detection mode"
      },
      {
        "number": "31",
        "name": "IRQ1",
        "type": "output",
        "description": "Interrupt output 1 asserted when SysStatus1 register events occur; used for current detector output in Detection mode"
      },
      {
        "number": "32",
        "name": "TEST",
        "type": "input",
        "description": "Test pin; must be always connected to DGND in system application"
      },
      {
        "number": "33",
        "name": "PM0",
        "type": "input",
        "description": "Power mode configuration input bit 0; with PM1 defines Normal, Partial Measurement, Detection, or Idle mode"
      },
      {
        "number": "34",
        "name": "PM1",
        "type": "input",
        "description": "Power mode configuration input bit 1; with PM0 defines Normal, Partial Measurement, Detection, or Idle mode"
      },
      {
        "number": "35",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; leave open"
      },
      {
        "number": "36",
        "name": "DMA_CTRL",
        "type": "input",
        "description": "DMA enable control input; assert to start DMA burst transfer, deassert to stop at end of current sample"
      },
      {
        "number": "37",
        "name": "CS",
        "type": "bidirectional",
        "description": "Chip select (active low) for SPI transactions; driven from high to low and maintained low for entire operation"
      },
      {
        "number": "38",
        "name": "SCLK",
        "type": "bidirectional",
        "description": "Serial clock for SPI/DMA interface; input in SPI slave mode, output in DMA master mode"
      },
      {
        "number": "39",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output for SPI slave mode and input for DMA master mode; LVTTL with 5mA output drive"
      },
      {
        "number": "40",
        "name": "SDI",
        "type": "bidirectional",
        "description": "Serial data input for SPI slave mode and output for DMA master mode; LVTTL bidirectional pin"
      },
      {
        "number": "41",
        "name": "RESET",
        "type": "input",
        "description": "Reset input (active low) with internal 2μs RC filter and de-glitch filter; connect via 0.1μF capacitor and 10kΩ resistor to VDD"
      },
      {
        "number": "42",
        "name": "VDD18",
        "type": "power_in",
        "description": "1.8V regulated digital power supply output; must connect with pin 43 and be decoupled with 10μF capacitor"
      },
      {
        "number": "43",
        "name": "VDD18",
        "type": "power_in",
        "description": "1.8V regulated digital power supply output; must connect with pin 42 and be decoupled with 10μF capacitor"
      },
      {
        "number": "44",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference"
      },
      {
        "number": "45",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; leave open"
      },
      {
        "number": "46",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; leave open"
      },
      {
        "number": "47",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference"
      },
      {
        "number": "48",
        "name": "DVDD",
        "type": "power_in",
        "description": "3.3V digital power supply; must be decoupled with 10μF and 0.1μF capacitors"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 87,
        "cost_usd": 0.7745,
        "at": "2026-09-22T09:06:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904577643532288",
        "pages": 87,
        "sha256": "9aedf3545327238a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atm90e36a-au-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atm90e36a-au-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bc4c336b54a2207d2a0644c766961c2ff4fe446def39e991006d9ae87455ccc8",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "title": "ATM90E36A-AU-R",
  "brief": "Microchip Tech Energy Metering, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-48(7x7)",
      "Category": "Data Acquisition",
      "Pins": "48"
    }
  },
  "discovery_triggers": [
    "atm90e36a-au-r"
  ],
  "discovery_pitch": "ATM90E36A-AU-R (Microchip Tech) component page with datasheet-verified CAD.",
  "visibility": "public"
}