A80601KESJSR

{
  "schema_version": 1,
  "type": "component",
  "slug": "a80601kesjsr",
  "title": "A80601KESJSR",
  "brief": "Allegro MicroSystems, LLC LED Drivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "a80601kesjsr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "A80601KESJSR",
    "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.kicad_sym",
      "footprint": "a80601kesjsr.kicad_mod",
      "model_3d": "a80601kesjsr-hero.glb",
      "model_3d_plain": "a80601kesjsr-etched.glb",
      "model_3d_step": "a80601kesjsr-etched.step",
      "model_3d_step_plain": "a80601kesjsr.step",
      "lbr": "a80601kesjsr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2678820",
      "digikey": "620-2038-2-ND",
      "mouser": "250-A80601KESJSR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:29:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-2038-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-A80601KESJSR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain output that is pulled low when a fault occurs; connect a pull-up resistor between this pin and the desired logic-level voltage."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_out",
        "description": "Output of the internal LDO bias regulator, regulated at ~4.25 V; connect a 1 µF decoupling capacitor between this pin and 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 loop compensation node; connect a series RZ-CZ network from this pin to AGND."
      },
      {
        "number": "5",
        "name": "ISET",
        "type": "passive",
        "description": "Connect the RISET resistor between this pin and AGND to set the 100% LED current."
      },
      {
        "number": "6",
        "name": "PEB",
        "type": "input",
        "description": "Pre-Emptive Boost control; a resistor from this pin to AGND fine-tunes the delay between boost switch and LED current sinks, and leaving it open gives the minimum PEB delay of 1 µs."
      },
      {
        "number": "7",
        "name": "DITH",
        "type": "passive",
        "description": "Connect a capacitor to AGND to set the dithering modulation frequency (1 to 22 kHz), and a resistor to FSET to set the dithering range (such as ±5% of fSW)."
      },
      {
        "number": "8",
        "name": "FSET",
        "type": "input",
        "description": "A resistor from this pin to AGND sets the switching frequency between 200 kHz and 2.3 MHz, or the pin can synchronize fSW to an external frequency between 260 kHz and 2.3 MHz (dithering then disabled)."
      },
      {
        "number": "9",
        "name": "ADIM",
        "type": "input",
        "description": "Analog dimming input accepting a PWM clock of 40 to 1000 kHz or a DC level of 0.2 to 2 V for 10% to 100% LED current; pull 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, with a typical dimming frequency of 200 Hz to 2 kHz."
      },
      {
        "number": "11",
        "name": "EN",
        "type": "input",
        "description": "Enables the IC when pulled high; if pulled low the IC remains in standby for up to 16 ms and then shuts down completely."
      },
      {
        "number": "12",
        "name": "CLKOUT",
        "type": "output",
        "description": "Logic output representing the boost oscillator switching frequency, active as long as the IC is enabled."
      },
      {
        "number": "13",
        "name": "LED4",
        "type": "passive",
        "description": "LED current sink #4; connect the cathode of the LED string to this pin, and terminate an unused pin to AGND through 2.37 kΩ."
      },
      {
        "number": "14",
        "name": "LED3",
        "type": "passive",
        "description": "LED current sink #3; connect the cathode of the LED string to this pin, and terminate an unused pin to AGND through 2.37 kΩ."
      },
      {
        "number": "15",
        "name": "LED2",
        "type": "passive",
        "description": "LED current sink #2; connect the cathode of the LED string to this pin, and terminate an unused pin to AGND through 2.37 kΩ."
      },
      {
        "number": "16",
        "name": "LED1",
        "type": "passive",
        "description": "LED current sink #1; connect the cathode of the LED string to this pin, and terminate an unused pin to AGND through 2.37 kΩ."
      },
      {
        "number": "17",
        "name": "OVP",
        "type": "passive",
        "description": "Overvoltage protection pin; an external resistor from VOUT to this pin sets the overvoltage protection threshold."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the internal gate driver; connect with the shortest path to the external power GND."
      },
      {
        "number": "19",
        "name": "VDRV",
        "type": "power_out",
        "description": "Gate driver supply voltage (~6.5 V); connect 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; connect to the sense resistor at the source terminal of the external power MOSFET."
      },
      {
        "number": "21",
        "name": "GDRV",
        "type": "output",
        "description": "Gate driver for the external power switch, connected to the MOSFET gate; the external FET must be fully enhanced at VGS = 5 V."
      },
      {
        "number": "22",
        "name": "GATE",
        "type": "output",
        "description": "Gate driver output for the external P-channel input disconnect MOSFET."
      },
      {
        "number": "23",
        "name": "VSENSE",
        "type": "input",
        "description": "Connect to the negative sense side of the input current sense resistor RSC; the threshold is VIN - VSENSE, with a fixed iADJ current sink for trip threshold adjustment."
      },
      {
        "number": "24",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power to the IC and the positive side of the input current sense resistor; operating input voltage range is 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 diagram on page 5 lists a different number-to-name sequence (for example AGND=1, COMP=2, ; The terminal list gives pins 13-16 as a range labeled 'LED4..LED1' without per-pin numbers. The assi; The exposed pad is labeled '–' in the Terminal List Table and 'PAD' in the diagram, so it is not a n",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0736,
        "at": "2026-10-31T00:29:40"
      },
      "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.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a80601kesjsr-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fe0a5a2889b67c5a8521c21658ccdf68d53a77549cacf67dac9db09439a25d5d",
        "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,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 4,
        "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.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7385a7f901821bc98eb25c4d2b77b85702c9d2832533ccb8b70dd798014330f2",
      "rows": [
        {
          "name": "LEDx pin voltage",
          "symbol": "VLEDx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "x = 1..4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "OVP pin voltage",
          "symbol": "VOVP",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VIN pin voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VDRV, GDRV pin voltage",
          "symbol": "VDRV, VGDRV",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 7.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CS pin voltage",
          "symbol": "VCS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Digital and control input/output pins",
          "symbol": "EN, PWM, FAULT, ADIM, CLKOUT, COMP, DITH, PEB, FSET, ISET, VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "External input signals must not be higher than VIN + 0.4 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Range K",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ(max)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO Start Threshold",
          "symbol": "VUVLO(rise)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4.45,
          "conditions": "VIN rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO Stop Threshold",
          "symbol": "VUVLO(fall)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4.05,
          "conditions": "VIN falling",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO Hysteresis",
          "symbol": "VUVLO_HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 300,
          "typ": 400,
          "max": 500,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN Pin Operating Current",
          "symbol": "IOP",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 22,
          "max": 32,
          "conditions": "EN and PWM = H, CGATE = 1 nF from GDRV to PGND, fSW = 2 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN Pin Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 6,
          "conditions": "EN = H and PWM = L, fCLKOUT = 2 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN Pin Sleep Current",
          "symbol": "ISLEEP",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VIN = 16 V, VEN / VPWM = VSYNC = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Level-Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Level-High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Pull-Down Resistor (EN, PWM)",
          "symbol": "REN, RPWM",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 60,
          "typ": 100,
          "max": 140,
          "conditions": "Input = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Pull-Down Resistor (ADIM)",
          "symbol": "RADIM",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 30,
          "typ": 50,
          "max": 70,
          "conditions": "Input = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Logic Level-Low (CLKOUT)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "5 V < VIN < 40 V, iLOAD = 1 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Logic Level-High (CLKOUT)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": null,
          "conditions": "5 V < VIN < 40 V, iLOAD = 1 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CLKOUT Duty Cycle",
          "symbol": "DCLKOUT",
          "kind": "electrical",
          "unit": "%",
          "min": 33,
          "typ": 50,
          "max": 67,
          "conditions": "fSW = 2 MHz, no external sync",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Analog Dimming Current Level at 0.5 V",
          "symbol": "iADIM25",
          "kind": "electrical",
          "unit": "%",
          "min": 23,
          "typ": 25,
          "max": 27,
          "conditions": "DC 0.5 V applied to ADIM pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "APWM Frequency Range",
          "symbol": "fAPWM",
          "kind": "electrical",
          "unit": "kHz",
          "min": 40,
          "typ": null,
          "max": 1000,
          "conditions": "Clock signal applied to ADIM pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "APWM Duty Cycle Range",
          "symbol": "DAPWM",
          "kind": "electrical",
          "unit": "%",
          "min": 0,
          "typ": null,
          "max": 90,
          "conditions": "Clock signal applied to ADIM pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VDD Regulator Output Voltage",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4.05,
          "typ": 4.25,
          "max": 4.45,
          "conditions": "VIN > 6 V, iLOAD < 1 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OVP Pin Voltage Threshold",
          "symbol": "VOVP(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.5,
          "max": 2.8,
          "conditions": "OVP pin connected to VOUT",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP Pin Sense Current Threshold",
          "symbol": "iOVP(th)",
          "kind": "electrical",
          "unit": "µA",
          "min": 140,
          "typ": 146.5,
          "max": 153,
          "conditions": "Current into OVP pin at 125ºC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP Pin Sense Current Threshold over temperature",
          "symbol": "iOVP(th)",
          "kind": "electrical",
          "unit": "µA",
          "min": 140,
          "typ": 150,
          "max": 160,
          "conditions": "Measured over temperature",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP Variation at Output",
          "symbol": "ΔOVP",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Measured at VOUT when ROVP = 188 kΩ",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP Variation at Output over full temperature range",
          "symbol": "ΔOVP",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Over full operating temperature range (●)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Detection Threshold",
          "symbol": "VUVP(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": 2.55,
          "max": 2.7,
          "conditions": "Measured at VOUT when ROVP = 188 kΩ",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Detection Threshold",
          "symbol": "VUVP(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.13,
          "typ": 0.2,
          "max": 0.25,
          "conditions": "Measured at VOUT when ROVP = 0 Ω",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate Driver Min On-Time",
          "symbol": "tSW(ON)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate Driver Min Off-Time",
          "symbol": "tSW(OFF)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Primary Current Sense Limit",
          "symbol": "iCS(LIM1)",
          "kind": "electrical",
          "unit": "mV",
          "min": 175,
          "typ": 210,
          "max": 245,
          "conditions": "Exceeding iCS(LIM1) causes gate driver to truncate existing cycle, but does not shut down",
          "source_page": 7,
          "source": "datasheet"
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        {
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