component
TPS54331GDR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# TPS54331GDR++**Texas Instruments** · DC-DC Converters · SOIC-8++TPS54331GDR from Texas Instruments, in a SOIC-8. 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 | BOOT | output | A 0.1μF bootstrap capacitor is required between the BOOT and PH pins, and if the voltage on this capacitor falls below the minimum requirement, the high-side MOSFET is forced off until the capacitor is refreshed. |+| 2 | VIN | power_in | This pin is the 3.5V to 28V input supply voltage pin. |+| 3 | EN | input | This enable pin must be pulled below 1.25V to disable the device, can be left floating to enable it, and two resistors are recommended to program the input UVLO. |+| 4 | SS | input | This slow-start pin sets the output rise time through the external capacitor connected from it to ground. |+| 5 | VSENSE | input | This pin is the inverting node of the transconductance (gm) error amplifier. |+| 6 | COMP | output | This pin is the error amplifier output and PWM comparator input, and the frequency compensation components are connected to it. |+| 7 | GND | power_in | This is the ground pin. |+| 8 | PH | output | The PH pin is the source of the internal high-side power MOSFET and forms the switch node with the catch diode and output inductor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `TPS54331GDR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `tps54331gdr-etched.step` / `tps54331gdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps54331gdr.step` / `tps54331gdr.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/tps54331) (40 pp, sha256 `6ac89d4fddb009ba`, 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/tps54331gdr-datasheet.pdf)
page.jsonadded+200@@ -0,0 +1,200 @@+{+ "slug": "tps54331gdr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps54331gdr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps54331gdr.kicad_sym",+ "tps54331gdr.kicad_mod",+ "tps54331gdr.glb",+ "tps54331gdr.step",+ "tps54331gdr.lbr",+ "docs/hero.png",+ "docs/tps54331gdr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps54331gdr-hero.glb",+ "tps54331gdr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS54331GDR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps54331",+ "parts": {+ "symbol": "tps54331gdr.kicad_sym",+ "footprint": "tps54331gdr.kicad_mod",+ "model_3d": "tps54331gdr-hero.glb",+ "model_3d_plain": "tps54331gdr.glb",+ "model_3d_step": "tps54331gdr-etched.step",+ "model_3d_step_plain": "tps54331gdr.step",+ "lbr": "tps54331gdr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2071684",+ "digikey": "296-50099-2-ND",+ "mouser": "595-TPS54331GDR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T00:11:51Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-50099-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS54331GDR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "BOOT",+ "type": "output",+ "description": "A 0.1μF bootstrap capacitor is required between the BOOT and PH pins, and if the voltage on this capacitor falls below the minimum requirement, the high-side MOSFET is forced off until the capacitor is refreshed."+ },+ {+ "number": "2",+ "name": "VIN",+ "type": "power_in",+ "description": "This pin is the 3.5V to 28V input supply voltage pin."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "This enable pin must be pulled below 1.25V to disable the device, can be left floating to enable it, and two resistors are recommended to program the input UVLO."+ },+ {+ "number": "4",+ "name": "SS",+ "type": "input",+ "description": "This slow-start pin sets the output rise time through the external capacitor connected from it to ground."+ },+ {+ "number": "5",+ "name": "VSENSE",+ "type": "input",+ "description": "This pin is the inverting node of the transconductance (gm) error amplifier."+ },+ {+ "number": "6",+ "name": "COMP",+ "type": "output",+ "description": "This pin is the error amplifier output and PWM comparator input, and the frequency compensation components are connected to it."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "This is the ground pin."+ },+ {+ "number": "8",+ "name": "PH",+ "type": "output",+ "description": "The PH pin is the source of the internal high-side power MOSFET and forms the switch node with the catch diode and output inductor."+ }+ ],+ "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 pin table (Table 5-1, Figure 5-1) covers the 8-pin D (SOIC) package, and the ordering ; Pin types follow the datasheet I/O column except VIN, which the datasheet lists as I and was mapped ; The source provided is the Chinese translation (ZHCSM88H); the English original (SLVS839) was not in"+ ],+ "pages_sent": 25,+ "cost_usd": 0.1037,+ "at": "2026-10-08T00:11:36"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps54331",+ "pages": 40,+ "sha256": "6ac89d4fddb009ba",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tps54331gdr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps54331gdr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "f59a82b5463acc1365708fdde8bfab0baabfec6dc50cac4f83275e99e10e82c3",+ "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]"+ }+}