component
TPS2231RGPR
Public Made by Adomby adom
Texas Instruments Power Distribution Switches, VQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "tps2231rgpr",
"title": "TPS2231RGPR",
"brief": "Texas Instruments Power Distribution Switches, VQFN-20-EP(4x4). 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",
"tps2231rgpr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS2231RGPR",
"manufacturer": "Texas Instruments",
"package": "VQFN-20-EP(4x4)",
"pin_count": 21,
"category": "Power Supply Chip",
"subcategory": "Power Distribution Switches",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps2231",
"parts": {
"symbol": "tps2231rgpr.kicad_sym",
"footprint": "tps2231rgpr.kicad_mod",
"model_3d": "tps2231rgpr-hero.glb",
"model_3d_plain": "tps2231rgpr.glb",
"model_3d_step": "tps2231rgpr-etched.step",
"model_3d_step_plain": "tps2231rgpr.step",
"lbr": "tps2231rgpr.lbr"
},
"distributor_links": {
"lcsc": "C2150286",
"digikey": "296-42374-2-ND",
"mouser": "595-TPS2231RGPR"
},
"distributor_check": {
"checked_at": "2026-10-08T15:34:06Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-42374-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS2231RGPR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "STBY",
"type": "input",
"description": "Active-low standby input that, when asserted after card insertion, turns off the 3.3-V and 1.5-V switches and keeps AUX on; internally pulled up to AUXIN."
},
{
"number": "2",
"name": "3.3VIN",
"type": "power_in",
"description": "3.3-V input supply for the 3.3VOUT switch; absolute maximum input range is -0.3 V to 6 V."
},
{
"number": "3",
"name": "3.3VOUT",
"type": "power_out",
"description": "Switched output that delivers 0 V, 3.3 V or high impedance to the card."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "6",
"name": "SYSRST",
"type": "input",
"description": "Active-low system reset input driven by the host that forces PERST to assert; internally pulled up to AUXIN."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "8",
"name": "PERST",
"type": "output",
"description": "Logic-level power-good output to slot 0 (with delay), asserted low until all rails are in tolerance and RCLKEN is released."
},
{
"number": "9",
"name": "CPUSB",
"type": "input",
"description": "Card-present input for USB cards; logic low indicates the card supports USB functions; internally pulled up to AUXIN."
},
{
"number": "10",
"name": "CPPE",
"type": "input",
"description": "Card-present input for PCI Express cards; logic low indicates the card supports PCI Express functions; internally pulled up to AUXIN."
},
{
"number": "11",
"name": "1.5VOUT",
"type": "power_out",
"description": "Switched output that delivers 0 V, 1.5 V or high impedance to the card."
},
{
"number": "12",
"name": "1.5VIN",
"type": "power_in",
"description": "1.5-V input for the 1.5VOUT switch; absolute maximum input range is -0.3 V to 6 V."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "15",
"name": "AUXOUT",
"type": "power_out",
"description": "Switched output that delivers 0 V, AUX or high impedance to the card."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "17",
"name": "AUXIN",
"type": "power_in",
"description": "AUX input for AUXOUT and chip power; absolute maximum input range is -0.3 V to 6 V."
},
{
"number": "18",
"name": "RCLKEN",
"type": "bidirectional",
"description": "Reference clock enable: as an output it is a open-drain power-good to the host for slot 0 (no delay); as an input, holding it low prevents PERST from being de-asserted; internally pulled up to AUXIN."
},
{
"number": "19",
"name": "OC",
"type": "output",
"description": "Open-drain overcurrent status output for slot 0, asserted low when an overcurrent condition occurs on the AUX, 3.3-V or 1.5-V switch."
},
{
"number": "20",
"name": "SHDN",
"type": "input",
"description": "Active-low shutdown input that turns off all voltage outputs and activates the discharge FETs; internally pulled up to AUXIN."
},
{
"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: The datasheet's terminal table gives no pin number for the exposed thermal pad (PowerPAD) on the RGP; The package is listed as QFN (RGP) with 20 pins in the package addendum. The 4x4 mm body size named ; Pin 4, 5, 13, 14 and 16 are marked NC in the RGP column of the terminal table, which the datasheet c",
"exposed pad 21 added from the footprint"
],
"pages_sent": 13,
"cost_usd": 0.1001,
"at": "2026-10-08T15:33:40"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps2231",
"pages": 44,
"sha256": "c6bc7fcb544329ed",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tps2231rgpr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tps2231rgpr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "169e8e57284a8aa2cfffcf47322e296570091c5e7191873d4eb0c1bff42b6136",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-20-EP(4x4)",
"Category": "Power Supply Chip",
"Pins": "21"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tps2231rgpr"
],
"discovery_pitch": "TPS2231RGPR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tps2231rgpr.kicad_sym",
"tps2231rgpr.kicad_mod",
"tps2231rgpr.glb",
"tps2231rgpr.step",
"tps2231rgpr.lbr",
"docs/hero.png",
"docs/tps2231rgpr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tps2231rgpr-hero.glb",
"tps2231rgpr-hero.overlay.json"
],
"visibility": {
"public": true
}
}