main
Ray Publish 0.1.0 4442bb5 13d ago
{
  "slug": "max1873seee-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Inc Maxim Integrated Battery Management, QSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "max1873seee+t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max1873seee-t.kicad_sym",
    "max1873seee-t.kicad_mod",
    "max1873seee-t.glb",
    "max1873seee-t.step",
    "max1873seee-t.lbr",
    "docs/hero.png",
    "docs/max1873seee-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max1873seee-t-hero.glb",
    "max1873seee-t-hero.overlay.json",
    "max1873seee-t-etched.glb"
  ],
  "component": {
    "mpn": "MAX1873SEEE+T",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "QSOP-16-150mil",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175731412320256",
    "parts": {
      "symbol": "max1873seee-t.kicad_sym",
      "footprint": "max1873seee-t.kicad_mod",
      "model_3d": "max1873seee-t-hero.glb",
      "model_3d_plain": "max1873seee-t-etched.glb",
      "model_3d_step": "max1873seee-t-etched.step",
      "model_3d_step_plain": "max1873seee-t.step",
      "lbr": "max1873seee-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C34333",
      "digikey": "175-MAX1873SEEE+TTR-ND",
      "mouser": "700-MAX1873SEEET"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T02:07:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "175-MAX1873SEEE+TTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "700-MAX1873SEEET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CSSN",
        "type": "input",
        "description": "Source current-sense negative input: connect a current-sense resistor between CSSP and CSSN to limit total input current, or connect CSSN to CSSP to disable input current sensing."
      },
      {
        "number": "2",
        "name": "CSSP",
        "type": "input",
        "description": "Source current-sense positive input, also used for input source undervoltage sensing, with a CSSP-to-CSSN current-sense voltage of 90mV to 110mV for 6V < VCSSP < 28V."
      },
      {
        "number": "3",
        "name": "CCS",
        "type": "passive",
        "description": "Input-source-current regulation loop compensation point, where a 47nF capacitor to GND provides suitable performance for most applications."
      },
      {
        "number": "4",
        "name": "CCV",
        "type": "passive",
        "description": "Battery regulation voltage control-loop compensation point; pulling CCV high to VL through a 1.5kΩ resistor disables the voltage loop for charging NiCd or NiMH batteries."
      },
      {
        "number": "5",
        "name": "CCI",
        "type": "passive",
        "description": "Battery charge-current control-loop compensation point, where a 47nF capacitor to GND provides suitable performance for most applications."
      },
      {
        "number": "6",
        "name": "ICHG/EN",
        "type": "input",
        "description": "Battery charging-current adjust and shutdown input: connecting it to REF sets the CSB-BATT threshold to 200mV, and pulling it below 500mV disables charging."
      },
      {
        "number": "7",
        "name": "IOUT",
        "type": "output",
        "description": "Charge current monitor output giving VIOUT = 20(VCSB - VBATT), or 4V at a 200mV current-sense voltage, with a maximum load capacitance of 5nF."
      },
      {
        "number": "8",
        "name": "VADJ",
        "type": "input",
        "description": "Battery regulation voltage adjust input, setting 3.979V to 4.421V per cell with 1% resistors, with the 0 to VREF input range."
      },
      {
        "number": "9",
        "name": "REF",
        "type": "power_out",
        "description": "4.2V reference voltage output that must be bypassed to GND with a 1µF ceramic capacitor."
      },
      {
        "number": "10",
        "name": "BATT",
        "type": "input",
        "description": "Battery voltage-sense input and battery current-sense negative input, bypassed to GND with 68µF (MAX1873R), 47µF (MAX1873S) or 33µF (MAX1873T) capacitors with ESR < 1Ω."
      },
      {
        "number": "11",
        "name": "CSB",
        "type": "input",
        "description": "Battery current-sense positive input, with the charge current sensed across RCSB between CSB and BATT."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "13",
        "name": "VH",
        "type": "power_out",
        "description": "Internal VH regulator output that supplies power to the EXT driver, with a 0.22µF ceramic capacitor connected between VH and DCIN."
      },
      {
        "number": "14",
        "name": "EXT",
        "type": "output",
        "description": "Drive output for the external P-channel MOSFET, swinging from VDCIN to VDCIN - 5V."
      },
      {
        "number": "15",
        "name": "DCIN",
        "type": "power_in",
        "description": "Power-supply input for the charger IC, bypassed to GND with a 0.22µF ceramic capacitor, with an input voltage range of 6V to 28V."
      },
      {
        "number": "16",
        "name": "VL",
        "type": "power_out",
        "description": "Internal VL regulator output that powers the control logic at 5.4V, bypassed to GND with a 2.2µF or larger ceramic capacitor, and may supply external circuitry up to 3mA."
      }
    ],
    "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 MPN carries a '+T' tape-and-reel suffix that does not appear in the datasheet. The ordering tabl; The pin configuration figure (page 13) is scrambled in the text extraction, so pin numbers were take; Pin types for CCS, CCI, CCV (passive), BATT, CSB, ICHG/EN, VADJ, CSSN, CSSP (input), IOUT and EXT (o"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0875,
        "at": "2026-10-21T02:04:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175731412320256",
        "pages": 14,
        "sha256": "09dc8f1e5bd97aad",
        "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": "max1873seee-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.42
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14e9adcd9b6d1d5b282a866123ac59b68abf20b62a41cc9cecabd5c819d8f17d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max1873seee-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.42
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "721b2357f56bf3323b45666f5852d522e5b427c368b3f87e9ca6a52a00f1663d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}