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.
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README.mdadded+58@@ -0,0 +1,58 @@+# TPS22981RGPR++**Texas Instruments** · Power Distribution Switches · QFN-20(4x4)++TPS22981RGPR from Texas Instruments, in a QFN-20(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | GND | power_in | Device ground; all GND pins must be connected to board ground. |+| 2 | GND | power_in | Device ground; all GND pins must be connected to board ground. |+| 3 | GND | power_in | Device ground; all GND pins must be connected to board ground. |+| 4 | FAULTZ | output | 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. |+| 5 | EN | input | Device active-high enable; when low, OUT is open. |+| 6 | VHV | power_in | 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. |+| 7 | VHV | power_in | 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. |+| 8 | ISET_V3P3 | passive | Sets the V3P3 current limit; place a resistor (RSET_V3P3, 26.7 kΩ to 402 kΩ) between this pin and GND. |+| 9 | ISET_S3 | passive | Sets the VHV current limit in S3 mode; place a resistor (RSET_S3, 26.7 kΩ to 402 kΩ) between this pin and GND. |+| 10 | ISET_S0 | passive | Sets the VHV current limit in S0 mode; place a resistor (RSET_S0, 26.7 kΩ to 402 kΩ) between this pin and GND. |+| 11 | HV_EN | input | Active-high VHV output enable, controlling the VHV switch. |+| 12 | OUT | power_out | Power output; place a minimum of 1 µF capacitor as close to this pin as possible. |+| 13 | GND | power_in | Device ground; all GND pins must be connected to board ground. |+| 14 | OUT | power_out | Power output; place a minimum of 1 µF capacitor as close to this pin as possible. |+| 15 | GND | power_in | Device ground; all GND pins must be connected to board ground. |+| 16 | ENHVU | input | When high, device enable also requires VHV UVLO to be cleared (both V3P3 and VHV present); when low, only V3P3 must be present. |+| 17 | S0 | input | When asserted high, the device operates in S0 mode (RSET_S0 sets the VHV limit); otherwise it operates in S3 mode. |+| 18 | V3P3OUT | power_out | 3.3 V bypass output; place a minimum of 0.1 µF capacitor as close to this pin as possible. |+| 19 | V3P3 | power_in | 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. |+| 20 | V3P3 | power_in | 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. |+| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | QFN-20(4x4) |+| Category | Power Management (PMIC) |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPS22981RGPR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm`+- 3D model: QFN-20(4x4) (KiCad packages3D, STEP)+- 3D model files: `tps22981rgpr-etched.step` / `tps22981rgpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps22981rgpr.step` / `tps22981rgpr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tps22981) (21 pp, sha256 `58c94a210202c417`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tps22981rgpr-datasheet.pdf)
page.jsonadded+280@@ -0,0 +1,280 @@+{+ "slug": "tps22981rgpr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Power Distribution Switches, QFN-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps22981rgpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "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"+ ],+ "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)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}