component
A8653KLPTR-T
Public Made by Adomby adom
Allegro MicroSystems, LLC DC-DC Converters, HTSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "a8653klptr-t",
"version": "0.1.0",
"type": "component",
"description": "Allegro MicroSystems, LLC DC-DC Converters, HTSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power supply chip",
"a8653klptr-t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"files": [
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"a8653klptr-t.kicad_sym",
"a8653klptr-t.kicad_mod",
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"a8653klptr-t.step",
"a8653klptr-t.lbr",
"docs/hero.png",
"docs/a8653klptr-t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"a8653klptr-t-hero.glb",
"a8653klptr-t-hero.overlay.json",
"a8653klptr-t-etched.glb"
],
"component": {
"mpn": "A8653KLPTR-T",
"manufacturer": "Allegro MicroSystems, LLC",
"package": "HTSSOP-16",
"pin_count": 17,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/deb1edc5969250fe0abf1fb5116c6a15.pdf",
"parts": {
"symbol": "a8653klptr-t.kicad_sym",
"footprint": "a8653klptr-t.kicad_mod",
"model_3d": "a8653klptr-t-hero.glb",
"model_3d_plain": "a8653klptr-t-etched.glb",
"model_3d_step": "a8653klptr-t-etched.step",
"model_3d_step_plain": "a8653klptr-t.step",
"lbr": "a8653klptr-t.lbr"
},
"distributor_links": {
"lcsc": "C2071733",
"digikey": "620-A8653KLPTR-TTR-ND",
"mouser": "250-A8653KLPTR-T"
},
"distributor_check": {
"checked_at": "2026-10-30T16:40:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "620-A8653KLPTR-TTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "250-A8653KLPTR-T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "EN",
"type": "input",
"description": "Enable input: set high to turn the converter on or set low to turn it off; it may be connected to VIN."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Power input for the control circuits and the drain of the internal high-side N-channel MOSFET; a high-quality ceramic capacitor should be placed very close to this pin."
},
{
"number": "3",
"name": "SS",
"type": "passive",
"description": "Soft-start pin; a capacitor CSS from this pin to GND sets the soft-start time and also determines the hiccup period during overcurrent."
},
{
"number": "4",
"name": "GADJ",
"type": "input",
"description": "Sets the gain of the differential current sense amplifier via a resistor to GND; grounding GADJ disables the Remote Load Regulation function."
},
{
"number": "5",
"name": "FB",
"type": "input",
"description": "Feedback (negative) input to the error amplifier; a resistor divider from the converter output (VOUT) programs the output voltage."
},
{
"number": "6",
"name": "IADJ",
"type": "input",
"description": "Active current limit adjust pin; a resistor from this pin to GND sets the current limit, and when load current exceeds it the output voltage decreases at a predefined slope."
},
{
"number": "7",
"name": "SGND",
"type": "power_in",
"description": "Signal (quiet) ground."
},
{
"number": "8",
"name": "COMP",
"type": "passive",
"description": "Output of the error amplifier and loop compensation node; a series RC network from this pin to GND compensates the control loop."
},
{
"number": "9",
"name": "SYNC/FSET",
"type": "input",
"description": "Frequency setting and synchronization pin; a resistor RFSET from this pin to GND sets the PWM switching frequency."
},
{
"number": "10",
"name": "POK",
"type": "output",
"description": "Power OK open-drain output that transitions from low to high impedance when the output is within the final regulation voltage and no load-side current limit exists."
},
{
"number": "11",
"name": "ISEN–",
"type": "input",
"description": "Negative current-sensing pin to the internal current sense amplifier, connected to the load side of the external current sensing resistor."
},
{
"number": "12",
"name": "ISEN+",
"type": "input",
"description": "Positive current-sensing pin to the internal current sense amplifier, connected to the inductor side of the external current sensing resistor."
},
{
"number": "13",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "14",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "15",
"name": "SW",
"type": "output",
"description": "Source of the high-side N-channel MOSFET; the output inductor LO connects to this pin and should be placed as close as possible with relatively wide traces."
},
{
"number": "16",
"name": "BOOT",
"type": "passive",
"description": "High-side gate drive boost input; connect a 100 nF ceramic capacitor from BOOT to SW."
},
{
"number": "17",
"name": "PAD",
"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 ordering code A8653KLPTR-T is not shown in the supplied pages. The only 16-pin package in the ex; The exposed thermal pad (PAD) is not numbered in the datasheet and is not listed as a numbered pin, ; In the extracted terminal list, the SW pin number reads '115', which is a text extraction error. The",
"exposed pad 17 added from the footprint"
],
"pages_sent": 7,
"cost_usd": 0.0537,
"at": "2026-10-30T16:39:47"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/deb1edc5969250fe0abf1fb5116c6a15.pdf",
"pages": 37,
"sha256": "217c0a15c2d79b3e",
"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": [
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"file": "a8653klptr-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "a8653klptr-t-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": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "517a9f9d9dbe5ad537880e0806468b24f68fc6839220dd1643c9a59a695f7cc7",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "LP",
"source_page": 36,
"e": {
"nom_mm": 0.65,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.2,
"range_mm": [
null,
1.2
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "a8653klptr-t.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}