component
LM2854MH-500
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "lm2854mh-500",
"title": "LM2854MH-500",
"brief": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. 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",
"power supply chip",
"lm2854mh-500",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM2854MH-500",
"manufacturer": "Texas Instruments",
"package": "HTSSOP-16-EP",
"pin_count": 17,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm2854",
"parts": {
"symbol": "lm2854mh-500.kicad_sym",
"footprint": "lm2854mh-500.kicad_mod",
"model_3d": "lm2854mh-500-hero.glb",
"model_3d_plain": "lm2854mh-500.glb",
"model_3d_step": "lm2854mh-500-etched.step",
"model_3d_step_plain": "lm2854mh-500.step",
"lbr": "lm2854mh-500.lbr"
},
"distributor_links": {
"lcsc": "C1355662"
},
"distributor_check": {
"checked_at": "2026-10-12T01:15:56Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "Reserved for factory use; this pin should be connected to GND to ensure proper operation."
},
{
"number": "2",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the internal power switches; connect together locally at the device and to the PC board ground plane."
},
{
"number": "3",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the internal power switches; connect together locally at the device and to the PC board ground plane."
},
{
"number": "4",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the internal power switches; connect together locally at the device and to the PC board ground plane."
},
{
"number": "5",
"name": "PVIN",
"type": "power_in",
"description": "Input voltage to the internal power switches, specified from 2.95 V to 5.5 V to GND; place a low-ESR input capacitor as close as possible to these pins."
},
{
"number": "6",
"name": "PVIN",
"type": "power_in",
"description": "Input voltage to the internal power switches, specified from 2.95 V to 5.5 V to GND; connect together at the device with pins 5 and 7."
},
{
"number": "7",
"name": "PVIN",
"type": "power_in",
"description": "Input voltage to the internal power switches, specified from 2.95 V to 5.5 V to GND; connect together at the device with pins 5 and 6."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "Reserved for factory use; this pin should be connected to GND to ensure proper operation."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "Reserved for factory use; this pin should be connected to GND to ensure proper operation."
},
{
"number": "10",
"name": "AVIN",
"type": "power_in",
"description": "Analog input supply that generates the internal bias and feeds the UVLO circuit; if it falls below the UVLO threshold both internal FETs turn off, and TI recommends a 1 Ω series RC filter from PVIN with a 0.1 µF to 1 µF X7R bypass capacitor."
},
{
"number": "11",
"name": "EN",
"type": "input",
"description": "Active-high enable input with typical turn-on threshold of 1.23 V and 0.15 V hysteresis; connect to PVIN if not used."
},
{
"number": "12",
"name": "SW",
"type": "output",
"description": "Switch node, the PWM output of the internal MOSFET power switches; tie together locally with pin 13 and connect to the filter inductor."
},
{
"number": "13",
"name": "SW",
"type": "output",
"description": "Switch node, the PWM output of the internal MOSFET power switches; tie together locally with pin 12 and connect to the filter inductor."
},
{
"number": "14",
"name": "SS",
"type": "bidirectional",
"description": "Soft-start control; an internal 2 µA current source charges an external capacitor to AGND to set the start-up ramp rate, and the pin can also configure the tracking feature."
},
{
"number": "15",
"name": "AGND",
"type": "power_in",
"description": "Quiet analog ground for the internal bias circuitry."
},
{
"number": "16",
"name": "FB",
"type": "input",
"description": "Feedback input to the inverting input of the voltage-loop error amplifier, which compares against the 0.8 V bandgap reference on its non-inverting input."
},
{
"number": "17",
"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 exposed thermal pad is labeled 'EXP' in the pin diagram and pin table and has no numeric pin num; Pin-to-side placement was read from the garbled text of the top-view diagram. Pin numbers and names ; Pins 1, 8 and 9 are NC and are described as reserved for factory use, to be tied to GND. They are ty",
"exposed pad 17 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 8,
"cost_usd": 0.0526,
"at": "2026-10-12T01:15:41"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm2854",
"pages": 36,
"sha256": "c4a92a4d02e35926",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lm2854mh-500.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
"checked": "2026-10-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm2854mh-500-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "45596051d6d8248c017196feb88df937d302023240b0f8bd474769d754701ffc",
"checked": "2026-10-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "HTSSOP-16-EP",
"Category": "Power Supply Chip",
"Pins": "17"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm2854mh-500"
],
"discovery_pitch": "LM2854MH-500 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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"lm2854mh-500.kicad_sym",
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"lm2854mh-500.glb",
"lm2854mh-500.step",
"lm2854mh-500.lbr",
"docs/hero.png",
"docs/lm2854mh-500-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm2854mh-500-hero.glb",
"lm2854mh-500-hero.overlay.json"
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"visibility": {
"public": true
}
}