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.
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README.mdadded+57@@ -0,0 +1,57 @@+# TPS2231RGPR++**Texas Instruments** · Power Distribution Switches · VQFN-20-EP(4x4)++TPS2231RGPR from Texas Instruments, in a VQFN-20-EP(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 | STBY | input | 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. |+| 2 | 3.3VIN | power_in | 3.3-V input supply for the 3.3VOUT switch; absolute maximum input range is -0.3 V to 6 V. |+| 3 | 3.3VOUT | power_out | Switched output that delivers 0 V, 3.3 V or high impedance to the card. |+| 4 | NC | unconnected | No connection. |+| 5 | NC | unconnected | No connection. |+| 6 | SYSRST | input | Active-low system reset input driven by the host that forces PERST to assert; internally pulled up to AUXIN. |+| 7 | GND | power_in | Ground reference for the device. |+| 8 | PERST | output | Logic-level power-good output to slot 0 (with delay), asserted low until all rails are in tolerance and RCLKEN is released. |+| 9 | CPUSB | input | Card-present input for USB cards; logic low indicates the card supports USB functions; internally pulled up to AUXIN. |+| 10 | CPPE | input | Card-present input for PCI Express cards; logic low indicates the card supports PCI Express functions; internally pulled up to AUXIN. |+| 11 | 1.5VOUT | power_out | Switched output that delivers 0 V, 1.5 V or high impedance to the card. |+| 12 | 1.5VIN | power_in | 1.5-V input for the 1.5VOUT switch; absolute maximum input range is -0.3 V to 6 V. |+| 13 | NC | unconnected | No connection. |+| 14 | NC | unconnected | No connection. |+| 15 | AUXOUT | power_out | Switched output that delivers 0 V, AUX or high impedance to the card. |+| 16 | NC | unconnected | No connection. |+| 17 | AUXIN | power_in | AUX input for AUXOUT and chip power; absolute maximum input range is -0.3 V to 6 V. |+| 18 | RCLKEN | bidirectional | 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. |+| 19 | OC | output | 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. |+| 20 | SHDN | input | Active-low shutdown input that turns off all voltage outputs and activates the discharge FETs; internally pulled up to AUXIN. |+| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-20-EP(4x4) |+| Category | Power Supply Chip |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPS2231RGPR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm`+- 3D model: VQFN-20-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `tps2231rgpr-etched.step` / `tps2231rgpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps2231rgpr.step` / `tps2231rgpr.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/tps2231) (44 pp, sha256 `c6bc7fcb544329ed`, retrieved 2026-10-08, tier: lcsc)+- **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/tps2231rgpr-datasheet.pdf)
page.jsonadded+279@@ -0,0 +1,279 @@+{+ "slug": "tps2231rgpr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Power Distribution Switches, VQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "tps2231rgpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "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"+ ],+ "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)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}