A80601KESJSR-1

{
  "slug": "a80601kesjsr-1",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems, LLC LED Drivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "a80601kesjsr-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a80601kesjsr-1.kicad_sym",
    "a80601kesjsr-1.kicad_mod",
    "a80601kesjsr-1.glb",
    "a80601kesjsr-1.step",
    "a80601kesjsr-1.lbr",
    "docs/hero.png",
    "docs/a80601kesjsr-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a80601kesjsr-1-hero.glb",
    "a80601kesjsr-1-hero.overlay.json",
    "a80601kesjsr-1-etched.glb"
  ],
  "component": {
    "mpn": "A80601KESJSR-1",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4e2404b5d95edb22d4854f4bfb65997a.pdf",
    "parts": {
      "symbol": "a80601kesjsr-1.kicad_sym",
      "footprint": "a80601kesjsr-1.kicad_mod",
      "model_3d": "a80601kesjsr-1-hero.glb",
      "model_3d_plain": "a80601kesjsr-1-etched.glb",
      "model_3d_step": "a80601kesjsr-1-etched.step",
      "model_3d_step_plain": "a80601kesjsr-1.step",
      "lbr": "a80601kesjsr-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2678886",
      "digikey": "620-2039-2-ND",
      "mouser": "250-A80601KESJSR-1"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:27:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-2039-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-A80601KESJSR-1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain output pulled low when a fault occurs, requiring a pull-up resistor to the desired logic-level voltage."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_out",
        "description": "Output of the internal LDO bias regulator, regulated at about 4.25 V, with a 1 µF decoupling capacitor to AGND."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "LED current ground that also serves as the quiet ground for analog signals."
      },
      {
        "number": "4",
        "name": "COMP",
        "type": "passive",
        "description": "Output of the error amplifier and compensation node, with a series RZ-CZ network from this pin to AGND for loop compensation."
      },
      {
        "number": "5",
        "name": "ISET",
        "type": "passive",
        "description": "Resistor RISET connected between this pin and AGND sets the 100% LED current."
      },
      {
        "number": "6",
        "name": "PEB",
        "type": "passive",
        "description": "Pre-Emptive Boost control, where a resistor to AGND fine-tunes the delay between boost switch and LED sinks, and leaving the pin open gives a minimum delay of 1 µs."
      },
      {
        "number": "7",
        "name": "DITH",
        "type": "passive",
        "description": "Dithering control, where a capacitor to AGND sets the modulation frequency (1 to 22 kHz) and a resistor to FSET sets the range (such as ±5% of fSW)."
      },
      {
        "number": "8",
        "name": "FSET",
        "type": "input",
        "description": "Frequency and synchronization pin, where RFSET to AGND sets fSW from 200 kHz to 2.3 MHz, or an external clock from 260 kHz to 2.3 MHz synchronizes it with dithering disabled."
      },
      {
        "number": "9",
        "name": "ADIM",
        "type": "input",
        "description": "Analog dimming input accepting a 40 to 1000 kHz PWM clock or a DC level of 0.2 to 2 V for 10% to 100% current, and pulled above 2 V for 100% if unused."
      },
      {
        "number": "10",
        "name": "PWM",
        "type": "input",
        "description": "Controls the on/off state of the LED current sinks for PWM dimming, typically at 200 Hz to 2 kHz, and may be tied to EN for single-wire dimming."
      },
      {
        "number": "11",
        "name": "EN",
        "type": "input",
        "description": "Enables the IC when pulled high; when taken low the IC stays in standby for up to 16 ms before full shutdown."
      },
      {
        "number": "12",
        "name": "CLKOUT",
        "type": "output",
        "description": "Logic output representing the boost oscillator switching frequency, active as long as the IC is enabled, for synchronizing other converters."
      },
      {
        "number": "13",
        "name": "LED4",
        "type": "passive",
        "description": "LED current sink #4, where the cathode of the LED string connects and an unused pin must be terminated to AGND through 2.37 kΩ."
      },
      {
        "number": "14",
        "name": "LED3",
        "type": "passive",
        "description": "LED current sink #3, where the cathode of the LED string connects and an unused pin must be terminated to AGND through 2.37 kΩ."
      },
      {
        "number": "15",
        "name": "LED2",
        "type": "passive",
        "description": "LED current sink #2, where the cathode of the LED string connects and an unused pin must be terminated to AGND through 2.37 kΩ."
      },
      {
        "number": "16",
        "name": "LED1",
        "type": "passive",
        "description": "LED current sink #1, where the cathode of the LED string connects and an unused pin must be terminated to AGND through 2.37 kΩ."
      },
      {
        "number": "17",
        "name": "OVP",
        "type": "input",
        "description": "Overvoltage protection input, where an external resistor from VOUT sets the overvoltage protection threshold."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the internal gate driver, to be connected to external power GND by the shortest path."
      },
      {
        "number": "19",
        "name": "VDRV",
        "type": "power_out",
        "description": "Gate driver supply of about 6.5 V, which requires a 2.2 µF MLCC to PGND for buffering."
      },
      {
        "number": "20",
        "name": "CS",
        "type": "input",
        "description": "Current sense for peak current control of the power switch, connected to the sense resistor at the source of the external power MOSFET."
      },
      {
        "number": "21",
        "name": "GDRV",
        "type": "output",
        "description": "Gate driver for the external power switch, connected to the MOSFET gate, which must be fully enhanced at VGS = 5 V."
      },
      {
        "number": "22",
        "name": "GATE",
        "type": "output",
        "description": "Gate driver output for the external P-channel MOSFET used as the input disconnect switch."
      },
      {
        "number": "23",
        "name": "VSENSE",
        "type": "input",
        "description": "Negative sense side of the input current sense resistor RSC, with the trip threshold measured as VIN minus VSENSE and a fixed iADJ current sink for adjustment."
      },
      {
        "number": "24",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power to the IC and the positive side of the input current sense resistor, with an operating input range of 4.5 to 40 V."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 pinout drawing's label sequence on page 5 (for example AGND at 1, PEB at 10, FAULT at 23, VDD at; The Terminal List gives LED pins as '13-16 LED4..LED1' without an explicit per-pin mapping. The orde; The MPN A80601KESJSR-1 is sold in the same 24-pin 4x4 wettable flank QFN (package ES) as A80601KESJS",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 6,
        "cost_usd": 0.075,
        "at": "2026-10-31T00:26:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4e2404b5d95edb22d4854f4bfb65997a.pdf",
        "pages": 41,
        "sha256": "7385a7f901821bc9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "a80601kesjsr-1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a80601kesjsr-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1c8b41b1513e34c676e3b861a10edf6c505123aef63bdc240d9d7dd1b0124b0b",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "ES",
      "source_page": 34,
      "D": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "a80601kesjsr-1.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}