component
TPS22981RGPR
Public Made by Adomby adom
Texas Instruments Power Distribution Switches, QFN-20(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": "tps22981rgpr",
"title": "TPS22981RGPR",
"brief": "Texas Instruments Power Distribution Switches, QFN-20(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 management (pmic)",
"tps22981rgpr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS22981RGPR",
"manufacturer": "Texas Instruments",
"package": "QFN-20(4x4)",
"pin_count": 21,
"category": "Power Management (PMIC)",
"subcategory": "Power Distribution Switches",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps22981",
"parts": {
"symbol": "tps22981rgpr.kicad_sym",
"footprint": "tps22981rgpr.kicad_mod",
"model_3d": "tps22981rgpr-hero.glb",
"model_3d_plain": "tps22981rgpr.glb",
"model_3d_step": "tps22981rgpr-etched.step",
"model_3d_step_plain": "tps22981rgpr.step",
"lbr": "tps22981rgpr.lbr"
},
"distributor_links": {
"lcsc": "C544307",
"digikey": "296-36394-2-ND",
"mouser": "595-TPS22981RGPR"
},
"distributor_check": {
"checked_at": "2026-10-08T18:25:10Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-36394-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS22981RGPR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Device ground; all GND pins must be connected to board ground."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Device ground; all GND pins must be connected to board ground."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Device ground; all GND pins must be connected to board ground."
},
{
"number": "4",
"name": "FAULTZ",
"type": "output",
"description": "Open-drain fault output that pulls low during a fault condition; connect a pull-up resistor (RFAULTZ, at least 30 kΩ, 100 kΩ recommended) to V3P3, or float or tie to GND if unused."
},
{
"number": "5",
"name": "EN",
"type": "input",
"description": "Device active-high enable; when low, OUT is open."
},
{
"number": "6",
"name": "VHV",
"type": "power_in",
"description": "High-voltage power supply input, 4.5 V to 19.8 V; minimize inductance at this pin to avoid inductive voltage bounce at short circuit."
},
{
"number": "7",
"name": "VHV",
"type": "power_in",
"description": "High-voltage power supply input, 4.5 V to 19.8 V; minimize inductance at this pin to avoid inductive voltage bounce at short circuit."
},
{
"number": "8",
"name": "ISET_V3P3",
"type": "passive",
"description": "Sets the V3P3 current limit; place a resistor (RSET_V3P3, 26.7 kΩ to 402 kΩ) between this pin and GND."
},
{
"number": "9",
"name": "ISET_S3",
"type": "passive",
"description": "Sets the VHV current limit in S3 mode; place a resistor (RSET_S3, 26.7 kΩ to 402 kΩ) between this pin and GND."
},
{
"number": "10",
"name": "ISET_S0",
"type": "passive",
"description": "Sets the VHV current limit in S0 mode; place a resistor (RSET_S0, 26.7 kΩ to 402 kΩ) between this pin and GND."
},
{
"number": "11",
"name": "HV_EN",
"type": "input",
"description": "Active-high VHV output enable, controlling the VHV switch."
},
{
"number": "12",
"name": "OUT",
"type": "power_out",
"description": "Power output; place a minimum of 1 µF capacitor as close to this pin as possible."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Device ground; all GND pins must be connected to board ground."
},
{
"number": "14",
"name": "OUT",
"type": "power_out",
"description": "Power output; place a minimum of 1 µF capacitor as close to this pin as possible."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Device ground; all GND pins must be connected to board ground."
},
{
"number": "16",
"name": "ENHVU",
"type": "input",
"description": "When high, device enable also requires VHV UVLO to be cleared (both V3P3 and VHV present); when low, only V3P3 must be present."
},
{
"number": "17",
"name": "S0",
"type": "input",
"description": "When asserted high, the device operates in S0 mode (RSET_S0 sets the VHV limit); otherwise it operates in S3 mode."
},
{
"number": "18",
"name": "V3P3OUT",
"type": "power_out",
"description": "3.3 V bypass output; place a minimum of 0.1 µF capacitor as close to this pin as possible."
},
{
"number": "19",
"name": "V3P3",
"type": "power_in",
"description": "3.3 V power supply input (3 V to 3.6 V); place a minimum of 0.1 µF capacitor as close to this pin as possible."
},
{
"number": "20",
"name": "V3P3",
"type": "power_in",
"description": "3.3 V power supply input (3 V to 3.6 V); place a minimum of 0.1 µF capacitor as close to this pin as possible."
},
{
"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 exposed pad is printed as 'EP', not a numbered ball/lead; it is included as 'EP' exactly as the ; Pin-to-side physical positions were not verified: the top-view figure text in the datasheet is garbl",
"exposed pad 21 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 21,
"cost_usd": 0.0902,
"at": "2026-10-08T18:24:32"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps22981",
"pages": 21,
"sha256": "58c94a210202c417",
"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": "tps22981rgpr.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": "tps22981rgpr-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": "4ce1f15740619bf0c8537d8658c0d07ac22e75266a6f4031d10be697846432d7",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-20(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "21"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tps22981rgpr"
],
"discovery_pitch": "TPS22981RGPR (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",
"tps22981rgpr.kicad_sym",
"tps22981rgpr.kicad_mod",
"tps22981rgpr.glb",
"tps22981rgpr.step",
"tps22981rgpr.lbr",
"docs/hero.png",
"docs/tps22981rgpr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tps22981rgpr-hero.glb",
"tps22981rgpr-hero.overlay.json"
],
"visibility": {
"public": true
}
}