component
LMR38020SDDAR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOP-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 @@+# LMR38020SDDAR++**Texas Instruments** · DC-DC Converters · SOP-8-EP++LMR38020SDDAR from Texas Instruments, in a SOP-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 | GND | power_in | Power and analog ground terminal; all electrical parameters measured with respect to this pin. |+| 2 | EN | input | Enable input to regulator; high = ON, low = OFF; can be connected directly to VIN; do not float. |+| 3 | VIN | power_in | Input supply to the regulator; requires high-quality bypass capacitor with short and wide traces to GND. |+| 4 | RT/SYNC | input | Resistor timing or external clock input; internal amplifier sets switching frequency from external resistor to ground; above PLL threshold becomes synchronization input for external clock. |+| 5 | FB | input | Feedback input to the regulator; connect to feedback voltage divider; do not float; do not ground. |+| 6 | PG | tri_state | Open-drain power-good flag output; high = power OK, low = power bad; pulls low when EN = low. |+| 7 | BOOT | power_in | Bootstrap supply voltage for the internal high-side driver; requires 100-nF capacitor to SW pin. |+| 8 | SW | output | Regulator switch node; connect to a power inductor. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOP-8-EP |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LMR38020SDDAR`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm`+- 3D model: SOP-8-EP (KiCad packages3D, STEP)+- 3D model files: `lmr38020sddar-etched.step` / `lmr38020sddar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmr38020sddar.step` / `lmr38020sddar.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/lmr38020) (41 pp, sha256 `c0ab9b6fcda93544`, retrieved 2026-10-03, 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-4-5-20251001` (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/lmr38020sddar-datasheet.pdf)
page.jsonadded+166@@ -0,0 +1,166 @@+{+ "slug": "lmr38020sddar",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lmr38020sddar",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lmr38020sddar.kicad_sym",+ "lmr38020sddar.kicad_mod",+ "lmr38020sddar.glb",+ "lmr38020sddar.step",+ "lmr38020sddar.lbr",+ "docs/hero.png",+ "docs/lmr38020sddar-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lmr38020sddar-hero.glb",+ "lmr38020sddar-hero.overlay.json"+ ],+ "component": {+ "mpn": "LMR38020SDDAR",+ "manufacturer": "Texas Instruments",+ "package": "SOP-8-EP",+ "pin_count": 9,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lmr38020",+ "parts": {+ "symbol": "lmr38020sddar.kicad_sym",+ "footprint": "lmr38020sddar.kicad_mod",+ "model_3d": "lmr38020sddar-hero.glb",+ "model_3d_plain": "lmr38020sddar.glb",+ "model_3d_step": "lmr38020sddar-etched.step",+ "model_3d_step_plain": "lmr38020sddar.step",+ "lbr": "lmr38020sddar.lbr"+ },+ "distributor_links": {+ "lcsc": 3192337,+ "digikey": "296-LMR38020SDDARTR-ND",+ "mouser": "595-LMR38020SDDAR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T00:14:33Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-LMR38020SDDARTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-LMR38020SDDAR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Power and analog ground terminal; all electrical parameters measured with respect to this pin."+ },+ {+ "number": "2",+ "name": "EN",+ "type": "input",+ "description": "Enable input to regulator; high = ON, low = OFF; can be connected directly to VIN; do not float."+ },+ {+ "number": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Input supply to the regulator; requires high-quality bypass capacitor with short and wide traces to GND."+ },+ {+ "number": "4",+ "name": "RT/SYNC",+ "type": "input",+ "description": "Resistor timing or external clock input; internal amplifier sets switching frequency from external resistor to ground; above PLL threshold becomes synchronization input for external clock."+ },+ {+ "number": "5",+ "name": "FB",+ "type": "input",+ "description": "Feedback input to the regulator; connect to feedback voltage divider; do not float; do not ground."+ },+ {+ "number": "6",+ "name": "PG",+ "type": "tri_state",+ "description": "Open-drain power-good flag output; high = power OK, low = power bad; pulls low when EN = low."+ },+ {+ "number": "7",+ "name": "BOOT",+ "type": "power_in",+ "description": "Bootstrap supply voltage for the internal high-side driver; requires 100-nF capacitor to SW pin."+ },+ {+ "number": "8",+ "name": "SW",+ "type": "output",+ "description": "Regulator switch node; connect to a power inductor."+ },+ {+ "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-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 9 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 10,+ "cost_usd": 0.1186,+ "at": "2026-10-03T00:13:55"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmr38020",+ "pages": 41,+ "sha256": "c0ab9b6fcda93544",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}