component
LM3102MH
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lm3102mh",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power supply chip",
"lm3102mh",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "LM3102MH",
"manufacturer": "Texas Instruments",
"package": "HTSSOP-20-EP",
"pin_count": 21,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm3102",
"parts": {
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"footprint": "lm3102mh.kicad_mod",
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"lbr": "lm3102mh.lbr"
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"distributor_links": {
"lcsc": "C1355323"
},
"distributor_check": {
"checked_at": "2026-10-07T21:56:42Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the HTSSOP package; leave this pin unconnected."
},
{
"number": "2",
"name": "SW",
"type": "power_out",
"description": "Power switching node; absolute maximum is -0.3 V to 43.5 V to AGND, with a -2 V transient allowed for less than 100 ns."
},
{
"number": "3",
"name": "SW",
"type": "power_out",
"description": "Power switching node; absolute maximum is -0.3 V to 43.5 V to AGND, with a -2 V transient allowed for less than 100 ns."
},
{
"number": "4",
"name": "VIN",
"type": "power_in",
"description": "Power input supply voltage; recommended range is 4.5 V to 42 V, with a 43.5 V absolute maximum to AGND."
},
{
"number": "5",
"name": "VIN",
"type": "power_in",
"description": "Power input supply voltage; recommended range is 4.5 V to 42 V, with a 43.5 V absolute maximum to AGND."
},
{
"number": "6",
"name": "BST",
"type": "power_in",
"description": "Bootstrap capacitor connection; BST to SW must not exceed 7 V (absolute maximum)."
},
{
"number": "7",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; the feedback divider bottom resistor (RFB2) should be grounded directly to this pin."
},
{
"number": "8",
"name": "SS",
"type": "passive",
"description": "Analog soft-start pin; it sources about 8 µA (6 to 10 µA over temperature) at VSS = 0.5 V to set the start-up ramp."
},
{
"number": "9",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the HTSSOP package; leave this pin unconnected."
},
{
"number": "10",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the HTSSOP package; leave this pin unconnected."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground pin listed in the pin table; the datasheet gives no further electrical limit for it."
},
{
"number": "12",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the HTSSOP package; leave this pin unconnected."
},
{
"number": "13",
"name": "FB",
"type": "input",
"description": "Analog feedback input that sets the output voltage, with a precision internal 0.8 V reference of ±1.5%."
},
{
"number": "14",
"name": "EN",
"type": "input",
"description": "Analog enable input; driving EN to 0 V puts the device in shutdown, where IIN-SD is typically 25 µA."
},
{
"number": "15",
"name": "RON",
"type": "input",
"description": "Analog ON-time control that sets the switching frequency (programmable up to 1 MHz); the layout example connects RON to VIN, and its absolute maximum is 43.5 V to AGND."
},
{
"number": "16",
"name": "VCC",
"type": "power_out",
"description": "Start-up regulator output that self-biases the internal gate drive and control circuits; the characteristics are specified with a 680 nF capacitor and the device thermal limits external loading."
},
{
"number": "17",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the main and synchronous MOSFETs; keep the CIN loop and the connection to CIN as short as possible."
},
{
"number": "18",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the main and synchronous MOSFETs; keep the CIN loop and the connection to CIN as short as possible."
},
{
"number": "19",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the HTSSOP package; leave this pin unconnected."
},
{
"number": "20",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the HTSSOP package; leave this pin unconnected."
},
{
"number": "21",
"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: Pin-to-function assignments were reconstructed from the extracted pin table, where the pin-number co; KiCad ERC types are inferred from the datasheet function descriptions (the datasheet only says Power; The datasheet lists GND on pin 11 with no description beyond 'Ground' and no separate voltage limit;",
"exposed pad 21 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 11,
"cost_usd": 0.0762,
"at": "2026-10-07T21:56:16"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm3102",
"pages": 33,
"sha256": "c1579fd4c432e09c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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{
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}