component
PL82051
Public Made by Adomby adom
POWLICON DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "pl82051",
"title": "PL82051",
"brief": "POWLICON DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"power supply chip",
"pl82051",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PL82051",
"manufacturer": "POWLICON",
"package": "ESOP-8",
"pin_count": 9,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590340216067022848",
"parts": {
"symbol": "pl82051.kicad_sym",
"footprint": "pl82051.kicad_mod",
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"model_3d_plain": "pl82051-etched.glb",
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"model_3d_step_plain": "pl82051.step",
"lbr": "pl82051.lbr"
},
"distributor_links": {
"lcsc": "C5150985"
},
"distributor_check": {
"checked_at": "2026-10-17T18:06:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "BST",
"type": "passive",
"description": "Bootstrap pin; connect a 0.1 µF or greater ceramic capacitor between BST and SW to power the high-side gate driver, with BST to SW absolute maximum of -0.3 to 6.5 V."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Power input supplying the IC, to be supplied from 4.6 V to 33 V and bypassed to GND with a large capacitor plus at least 0.1 µF ceramic placed close to VIN and GND (VIN to GND absolute maximum -0.3 to +40 V)."
},
{
"number": "3",
"name": "EN",
"type": "input",
"description": "Enable input that turns the regulator on when driven high and off when driven low, pulled up to VIN internally, with an internal threshold of 1.2 V and recommended voltage range 0 to 5 V."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "5",
"name": "FB",
"type": "input",
"description": "Output voltage feedback input referenced to a 0.8 V typical internal reference (0.788 V to 0.812 V), with recommended voltage range 0 to 5 V."
},
{
"number": "6",
"name": "CS",
"type": "input",
"description": "Current loop pin where a resistor sets the average load current limit (Iout = 45 mV/R, typical R 10 mΩ) and line drop compensation, with recommended voltage range 0 to 5 V."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the device."
},
{
"number": "8",
"name": "SW",
"type": "output",
"description": "Power switching pin connected to the inductor switching node, with SW to GND absolute maximum of -0.3 to +40 V and recommended range 0 to 33 V."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground, listed by the datasheet as the second GND pin together with pin 7; the layout section refers to the GND pin and PAD, so this is likely the exposed thermal pad."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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 pin table lists GND as '7,9', but an ESOP-8 has pins 1 to 8 plus an exposed pad. Pin 9 is most l; Pin 1 to 8 numbering and names come from a garbled pin table on page 2 (text is run together). Verif; Page 2 header reads 'PL82052' while the document is PL82051. This appears to be a typo in the datash"
],
"pages_sent": 13,
"cost_usd": 0.0508,
"at": "2026-10-17T18:04:41"
},
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"pages": 13,
"sha256": "c3b397f2f9a98a98",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 9,
"described": 9,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"metadata": {
"specs": {
"Manufacturer": "POWLICON",
"Package": "ESOP-8",
"Category": "Power Supply Chip",
"Pins": "9"
},
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"name": "VIN VIN to GND Voltage",
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"kind": "absolute_maximum",
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"conditions": "",
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{
"name": "BST to SW Voltage",
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{
"name": "SW to GND Voltage",
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},
{
"name": "EN, FB, CS Voltage",
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"kind": "absolute_maximum",
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"min": -0.3,
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},
{
"name": "Storage Temperature Range",
"symbol": "TST",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
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{
"name": "Lead Temperature",
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"kind": "absolute_maximum",
"unit": "°C",
"min": null,
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{
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"unit": "kV",
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{
"name": "VIN Voltage",
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"kind": "recommended_operating",
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"min": 5,
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"conditions": "",
"source_page": 3,
"source": "datasheet"
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{
"name": "SW Voltage",
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"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 33,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "BST Voltage",
"symbol": "BST",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Voltage",
"symbol": "EN",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "FB Voltage",
"symbol": "FB",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CS Voltage",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature Range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Buck input standoff voltage",
"symbol": "VIN_max",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "Buck input voltage range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 4.6,
"typ": null,
"max": 33,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "VIN UVLO voltage",
"symbol": "VIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.6,
"max": null,
"conditions": "VIN rising",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN UVLO voltage",
"symbol": "VIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.1,
"max": null,
"conditions": "VIN falling",
"source_page": 4,
"source": "datasheet"
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{
"name": "VIN over voltage",
"symbol": "VIN_OVP",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 33,
"max": null,
"conditions": "VIN rising",
"source_page": 4,
"source": "datasheet"
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{
"name": "VIN over voltage",
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"kind": "electrical",
"unit": "V",
"min": null,
"typ": 30,
"max": null,
"conditions": "VIN falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN Shutdown Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VEN = 0, VIN = 12V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Buck switching frequency range",
"symbol": "Fbuck",
"kind": "electrical",
"unit": "kHz",
"min": 120,
"typ": 160,
"max": 200,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Frequency spread spectrum in percentage of Fbuck",
"symbol": "fjitter",
"kind": "tolerance",
"unit": "%",
"min": -6,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "FB voltage",
"symbol": "FB",
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"min": 0.788,
"typ": 0.8,
"max": 0.812,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Duty Cycle",
"symbol": "Dmax",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 98,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "Minimum On Time",
"symbol": "Ton",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Peak inductor current limit",
"symbol": "ILIMIT",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 6.5,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-Side Switch On-Resistance",
"symbol": "RDS(ON)_H",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": null,
"max": 80,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-Side Switch On-Resistance",
"symbol": "RDS(ON)_L",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Shutdown",
"symbol": "Thsd",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 160,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Hysteresis",
"symbol": "Thsdhys",
"kind": "electrical",
"unit": "℃",
"min": null,
"typ": 60,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction to ambient thermal resistance (ESOP8)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 56,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Junction to case thermal resistance (ESOP8)",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 45,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
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"discovery_pitch": "PL82051 (POWLICON) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
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"email": "[email protected]"
},
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