component
LMR62421XMFE
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Texas Instruments DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+41@@ -0,0 +1,41 @@+# LMR62421XMFE++**Texas Instruments** · DC-DC Converters · SOT-23-5++LMR62421XMFE from Texas Instruments, in a SOT-23-5. 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 | SW | output | Switch node for boost converter; connect to inductor and output diode. |+| 2 | GND | power_in | Signal and power ground reference pin; place feedback network bottom resistor as close as possible to this pin. |+| 3 | FB | input | Feedback input pin for external resistor divider voltage regulation; operates at nominal feedback voltage of 1.255V (min 1.230V, max 1.280V over −40 to +125°C junction temperature range). |+| 4 | EN | input | Shutdown control input requiring logic high (≥1.8V typical) for operation and logic low (≤0.4V typical) for shutdown; voltage must not exceed VIN + 0.3V. |+| 5 | VIN | power_in | Supply voltage input for power stage and switching regulator with operating voltage range 2.7V to 5.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LMR62421XMFE`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `lmr62421xmfe-etched.step` / `lmr62421xmfe-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmr62421xmfe.step` / `lmr62421xmfe.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/lmr62421) (30 pp, sha256 `7e3326c2cd12601a`, retrieved 2026-09-26, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/lmr62421xmfe-datasheet.pdf)
page.jsonadded+135@@ -0,0 +1,135 @@+{+ "slug": "lmr62421xmfe",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lmr62421xmfe",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lmr62421xmfe.kicad_sym",+ "lmr62421xmfe.kicad_mod",+ "lmr62421xmfe.glb",+ "lmr62421xmfe.step",+ "lmr62421xmfe.lbr",+ "docs/hero.png",+ "docs/lmr62421xmfe-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LMR62421XMFE",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lmr62421",+ "parts": {+ "symbol": "lmr62421xmfe.kicad_sym",+ "footprint": "lmr62421xmfe.kicad_mod",+ "model_3d": "lmr62421xmfe-etched.glb",+ "model_3d_plain": "lmr62421xmfe.glb",+ "model_3d_step": "lmr62421xmfe-etched.step",+ "model_3d_step_plain": "lmr62421xmfe.step",+ "lbr": "lmr62421xmfe.lbr"+ },+ "distributor_links": {+ "lcsc": "C2070685"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T17:18:54Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SW",+ "type": "output",+ "description": "Switch node for boost converter; connect to inductor and output diode."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Signal and power ground reference pin; place feedback network bottom resistor as close as possible to this pin."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback input pin for external resistor divider voltage regulation; operates at nominal feedback voltage of 1.255V (min 1.230V, max 1.280V over −40 to +125°C junction temperature range)."+ },+ {+ "number": "4",+ "name": "EN",+ "type": "input",+ "description": "Shutdown control input requiring logic high (≥1.8V typical) for operation and logic low (≤0.4V typical) for shutdown; voltage must not exceed VIN + 0.3V."+ },+ {+ "number": "5",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply voltage input for power stage and switching regulator with operating voltage range 2.7V to 5.5V."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 30,+ "cost_usd": 0.2944,+ "at": "2026-09-26T17:18:38"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmr62421",+ "pages": 30,+ "sha256": "7e3326c2cd12601a",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "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]"+ }+}