component
TPS79401DGNR
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, MSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# TPS79401DGNR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · MSOP-8-EP++TPS79401DGNR from Texas Instruments, in a MSOP-8-EP. 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 | OUT | power_out | Regulator output; the device delivers up to 250 mA (IOUT 0 to 250 mA recommended) and requires a COUT of at least 1.0 µF (2.2 µF typical) to OUT-GND. |+| 2 | NC | unconnected | Not internally connected; connect to GND for better thermal performance or leave floating. |+| 3 | FB | input | Feedback input for the adjustable device, which sets VOUT through the external R1/R2 divider referenced to the 1.225 V internal reference (VREF 1.201 V to 1.25 V). |+| 4 | NR/NC | input | On the older chip this is the noise-reduction pin, where an external capacitor CNR of 0 to 100 nF (10 nF nominal) filters bandgap noise; on the newer chip it is not connected and may be tied to GND or left floating. |+| 5 | GND | power_in | Regulator ground. |+| 6 | EN | input | Enable input, active high: the device is on when EN is above VEN(HI) (1.7 V minimum on the older chip, 0.85 × VIN on the newer chip) and off when EN is below VEN(LOW); VEN range is 0 to 5.5 V. |+| 7 | NC | unconnected | Not internally connected; connect to GND for better thermal performance or leave floating. |+| 8 | IN | power_in | Unregulated input supply; VIN must be between 2.7 V and 5.5 V, and a 1 µF or larger ceramic capacitor should be placed close to the pin. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8-EP |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `TPS79401DGNR`+- Footprint: `Package_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.5x1.8mm`+- 3D model: MSOP-8-EP (KiCad packages3D, STEP)+- 3D model files: `tps79401dgnr-etched.step` / `tps79401dgnr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps79401dgnr.step` / `tps79401dgnr.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/tps794) (51 pp, sha256 `84291eb77a7c37c6`, 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/tps79401dgnr-datasheet.pdf)
page.jsonadded+207@@ -0,0 +1,207 @@+{+ "slug": "tps79401dgnr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, MSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps79401dgnr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps79401dgnr.kicad_sym",+ "tps79401dgnr.kicad_mod",+ "tps79401dgnr.glb",+ "tps79401dgnr.step",+ "tps79401dgnr.lbr",+ "docs/hero.png",+ "docs/tps79401dgnr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps79401dgnr-hero.glb",+ "tps79401dgnr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS79401DGNR",+ "manufacturer": "Texas Instruments",+ "package": "MSOP-8-EP",+ "pin_count": 9,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps794",+ "parts": {+ "symbol": "tps79401dgnr.kicad_sym",+ "footprint": "tps79401dgnr.kicad_mod",+ "model_3d": "tps79401dgnr-hero.glb",+ "model_3d_plain": "tps79401dgnr.glb",+ "model_3d_step": "tps79401dgnr-etched.step",+ "model_3d_step_plain": "tps79401dgnr.step",+ "lbr": "tps79401dgnr.lbr"+ },+ "distributor_links": {+ "lcsc": "C140274",+ "digikey": "296-13526-2-ND",+ "mouser": "595-TPS79401DGNR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T01:07:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-13526-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS79401DGNR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulator output; the device delivers up to 250 mA (IOUT 0 to 250 mA recommended) and requires a COUT of at least 1.0 µF (2.2 µF typical) to OUT-GND."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; connect to GND for better thermal performance or leave floating."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback input for the adjustable device, which sets VOUT through the external R1/R2 divider referenced to the 1.225 V internal reference (VREF 1.201 V to 1.25 V)."+ },+ {+ "number": "4",+ "name": "NR/NC",+ "type": "input",+ "description": "On the older chip this is the noise-reduction pin, where an external capacitor CNR of 0 to 100 nF (10 nF nominal) filters bandgap noise; on the newer chip it is not connected and may be tied to GND or left floating."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Regulator ground."+ },+ {+ "number": "6",+ "name": "EN",+ "type": "input",+ "description": "Enable input, active high: the device is on when EN is above VEN(HI) (1.7 V minimum on the older chip, 0.85 × VIN on the newer chip) and off when EN is below VEN(LOW); VEN range is 0 to 5.5 V."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; connect to GND for better thermal performance or leave floating."+ },+ {+ "number": "8",+ "name": "IN",+ "type": "power_in",+ "description": "Unregulated input supply; VIN must be between 2.7 V and 5.5 V, and a 1 µF or larger ceramic capacitor should be placed close to the pin."+ },+ {+ "number": "9",+ "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 pin table lists GND as pin 5 and PAD as pins 3 and 6, but pin 3 is also FB and pin 6 i; NR/NC has two functions depending on the die revision: an input (noise-reduction pin) on the older c; The figure text and Table 4-1 both mark these as NC; the table was used as the authoritative source ",+ "exposed pad 9 added from the footprint"+ ],+ "pages_sent": 24,+ "cost_usd": 0.112,+ "at": "2026-10-08T01:07:16"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps794",+ "pages": 51,+ "sha256": "84291eb77a7c37c6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 9,+ "described": 9,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tps79401dgnr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 0.96+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "43252be3beac8fd30ca9bfeb82a613fa01d5dffff9b22810c13a4655daafb5ee",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps79401dgnr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 0.96+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "929ad959913ccb3ef660e6d2ff18a18751eb14166036840606f83da57aacc24c",+ "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]"+ }+}