component
LM20144MHE
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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"type": "component",
"slug": "lm20144mhe",
"title": "LM20144MHE",
"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",
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"component": {
"mpn": "LM20144MHE",
"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/lm20144-q1",
"parts": {
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"footprint": "lm20144mhe.kicad_mod",
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"model_3d_step": "lm20144mhe-etched.step",
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"lbr": "lm20144mhe.lbr"
},
"distributor_links": {
"lcsc": "C1880048"
},
"distributor_check": {
"checked_at": "2026-10-08T14:51:05Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "SS/TRK",
"type": "input",
"description": "Soft-start or tracking input: an internal 5 µA source charges the external capacitor to set the ramp rate, an external source below 800 mV overrides the internal reference, and leaving it open gives an internal 1 ms soft-start."
},
{
"number": "2",
"name": "FB",
"type": "input",
"description": "Feedback input to the inverting input of the internal transconductance error amplifier, which regulates against the 800 mV reference."
},
{
"number": "3",
"name": "PGOOD",
"type": "output",
"description": "Open-drain power-good output indicating the output is regulating within tolerance; a 10 kΩ to 100 kΩ pull-up resistor is recommended."
},
{
"number": "4",
"name": "COMP",
"type": "passive",
"description": "External compensation pin; a resistor and capacitor connected to this pin compensate the device."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; the pin may be left open, but it is strongly recommended to connect it to ground."
},
{
"number": "6",
"name": "PVIN",
"type": "power_in",
"description": "Input voltage to the internal power switches, specified at 2.95 V to 5.5 V; connect PVIN pins together at the device with a low-ESR capacitor placed nearby."
},
{
"number": "7",
"name": "PVIN",
"type": "power_in",
"description": "Input voltage to the internal power switches, specified at 2.95 V to 5.5 V; connect PVIN pins together at the device with a low-ESR capacitor placed nearby."
},
{
"number": "8",
"name": "SW",
"type": "output",
"description": "PWM switch node output of the internal power switches, connected to the inductor."
},
{
"number": "9",
"name": "SW",
"type": "output",
"description": "PWM switch node output of the internal power switches, connected to the inductor."
},
{
"number": "10",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the internal power switches."
},
{
"number": "11",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the internal power switches."
},
{
"number": "12",
"name": "EN",
"type": "input",
"description": "Precision enable input with hysteresis; an external voltage divider sets the turn-on threshold, and if unused it should be connected to PVIN."
},
{
"number": "13",
"name": "VCC",
"type": "power_out",
"description": "Output of the internal 2.7 V sub-regulator, to be bypassed with a 1 µF ceramic capacitor."
},
{
"number": "14",
"name": "AVIN",
"type": "power_in",
"description": "Analog input supply (2.95 V to 5.5 V) that generates the internal bias; it must be connected to VIN through a low-pass RC filter."
},
{
"number": "15",
"name": "AGND",
"type": "power_in",
"description": "Quiet analog ground for the internal bias circuitry."
},
{
"number": "16",
"name": "RT",
"type": "passive",
"description": "Frequency adjust pin; a resistor from this pin to ground sets the oscillator frequency between 500 kHz and 1.5 MHz."
},
{
"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 connection-diagram text on page 2 is garbled by text extraction, so pin-to-name mapping was take; Only the PWP0016A HTSSOP-16 exposed-pad package is described. LM20144MHE is the 250-piece small tape; The datasheet does not give a KiCad ERC class for the exposed pad. 'passive' was chosen because the ",
"exposed pad 17 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 7,
"cost_usd": 0.051,
"at": "2026-10-08T14:50:45"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm20144-q1",
"pages": 33,
"sha256": "cc29dd65651018a8",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint": "viewers/footprint.html"
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"role": "plain",
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"units": "mm",
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"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"role": "eda",
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"sha256": "037cfe282cc5979248dab3b7f8410adde8bdaf8b65e604660ff0ab38810265b2",
"checked": "2026-10-08",
"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": [
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"discovery_triggers": [
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"discovery_pitch": "LM20144MHE (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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