component
TPS74401KTWR
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# TPS74401KTWR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-7++TPS74401KTWR from Texas Instruments, in a TO-263-7. 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 | SS | passive | Soft-start capacitor pin where an external capacitor to ground sets the output ramp-up time, with 100µs typical time if left floating. |+| 2 | FB | input | Feedback input connected to external resistor divider network that sets the output voltage, and must not be left floating. |+| 3 | OUT | output | Regulated output voltage pin; no capacitor required for stability but recommended for excellent transient response. |+| 4 | GND | power_in | Ground connection pin. |+| 5 | IN | power_in | Unregulated input supply pin; 1µF or greater input capacitor recommended for best performance. |+| 6 | BIAS | power_in | Bias supply voltage pin powering internal error amplifier, reference, and control circuits with 1µF minimum capacitor (4.7µF if connected to IN). |+| 7 | EN | input | Enable input pin where voltage above 1.1V enables the regulator and below 0.4V disables to shutdown mode, must not float. |+| 8 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-263-7 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `TPS74401KTWR`+- Footprint: `Package_TO_SOT_SMD:TO-263-7_TabPin8`+- 3D model: TO-263-7 (KiCad packages3D, STEP)+- 3D model files: `tps74401ktwr-etched.step` / `tps74401ktwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps74401ktwr.step` / `tps74401ktwr.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/tps74401) (50 pp, sha256 `1e27517f33e62170`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/tps74401ktwr-datasheet.pdf)
page.jsonadded+143@@ -0,0 +1,143 @@+{+ "slug": "tps74401ktwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps74401ktwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps74401ktwr.kicad_sym",+ "tps74401ktwr.kicad_mod",+ "tps74401ktwr.glb",+ "tps74401ktwr.step",+ "tps74401ktwr.lbr",+ "docs/hero.png",+ "docs/tps74401ktwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TPS74401KTWR",+ "manufacturer": "Texas Instruments",+ "package": "TO-263-7",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps74401",+ "parts": {+ "symbol": "tps74401ktwr.kicad_sym",+ "footprint": "tps74401ktwr.kicad_mod",+ "model_3d": "tps74401ktwr-etched.glb",+ "model_3d_plain": "tps74401ktwr.glb",+ "model_3d_step": "tps74401ktwr-etched.step",+ "model_3d_step_plain": "tps74401ktwr.step",+ "lbr": "tps74401ktwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C57926"+ },+ "pins": [+ {+ "number": "1",+ "name": "SS",+ "type": "passive",+ "description": "Soft-start capacitor pin where an external capacitor to ground sets the output ramp-up time, with 100µs typical time if left floating."+ },+ {+ "number": "2",+ "name": "FB",+ "type": "input",+ "description": "Feedback input connected to external resistor divider network that sets the output voltage, and must not be left floating."+ },+ {+ "number": "3",+ "name": "OUT",+ "type": "output",+ "description": "Regulated output voltage pin; no capacitor required for stability but recommended for excellent transient response."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground connection pin."+ },+ {+ "number": "5",+ "name": "IN",+ "type": "power_in",+ "description": "Unregulated input supply pin; 1µF or greater input capacitor recommended for best performance."+ },+ {+ "number": "6",+ "name": "BIAS",+ "type": "power_in",+ "description": "Bias supply voltage pin powering internal error amplifier, reference, and control circuits with 1µF minimum capacitor (4.7µF if connected to IN)."+ },+ {+ "number": "7",+ "name": "EN",+ "type": "input",+ "description": "Enable input pin where voltage above 1.1V enables the regulator and below 0.4V disables to shutdown mode, must not float."+ },+ {+ "number": "8",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 8 added from the footprint"+ ],+ "pages_sent": 50,+ "cost_usd": 0.43,+ "at": "2026-09-24T08:06:40"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps74401",+ "pages": 50,+ "sha256": "1e27517f33e62170",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}