component
LM2842YQMK
Public Made by Adomby adom
Texas Instruments DC-DC Converters, TSOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# LM2842YQMK++**Texas Instruments** · DC-DC Converters · TSOT-23-6L++LM2842YQMK from Texas Instruments, in a TSOT-23-6L. 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 | CB | input | SW FET gate bias voltage; connect the CBOOT capacitor between CB and SW, and the datasheet limits CB voltage above SW to 7 V maximum. |+| 2 | GND | power_in | Ground connection for the regulator. |+| 3 | FB | input | Feedback pin set by the divider VOUT = VFB(1 + R1/R2) with VFB = 0.765 V; resistors must be 100 Ω to 10 kΩ to avoid input bias errors, and FB is rated −0.3 V to 5 V. |+| 4 | SHDN | input | Logic-level shutdown input: pull to GND to disable and high to enable (about 2.3 V or higher logic signals), tie to VIN if unused, and do not let it float; the maximum voltage should not exceed 42 V. |+| 5 | VIN | power_in | Power input voltage pin with a 4.5 V to 42 V normal operating range (absolute maximum −0.3 V to 45 V). |+| 6 | SW | output | Power FET output that connects to the inductor, the catch diode and the CBOOT capacitor; SW voltage is rated up to 42 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSOT-23-6L |+| Category | Power Management (PMIC) |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `LM2842YQMK`+- Footprint: `Package_TO_SOT_SMD:TSOT-23-6`+- 3D model: TSOT-23-6L (KiCad packages3D, STEP)+- 3D model files: `lm2842yqmk-etched.step` / `lm2842yqmk-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2842yqmk.step` / `lm2842yqmk.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/lm2842-q1) (25 pp, sha256 `9b519afa4d0599ef`, 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/lm2842yqmk-datasheet.pdf)
page.jsonadded+185@@ -0,0 +1,185 @@+{+ "slug": "lm2842yqmk",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, TSOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm2842yqmk",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2842yqmk.kicad_sym",+ "lm2842yqmk.kicad_mod",+ "lm2842yqmk.glb",+ "lm2842yqmk.step",+ "lm2842yqmk.lbr",+ "docs/hero.png",+ "docs/lm2842yqmk-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm2842yqmk-hero.glb",+ "lm2842yqmk-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM2842YQMK",+ "manufacturer": "Texas Instruments",+ "package": "TSOT-23-6L",+ "pin_count": 6,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2842-q1",+ "parts": {+ "symbol": "lm2842yqmk.kicad_sym",+ "footprint": "lm2842yqmk.kicad_mod",+ "model_3d": "lm2842yqmk-hero.glb",+ "model_3d_plain": "lm2842yqmk.glb",+ "model_3d_step": "lm2842yqmk-etched.step",+ "model_3d_step_plain": "lm2842yqmk.step",+ "lbr": "lm2842yqmk.lbr"+ },+ "distributor_links": {+ "lcsc": "C2070656"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T15:28:25Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CB",+ "type": "input",+ "description": "SW FET gate bias voltage; connect the CBOOT capacitor between CB and SW, and the datasheet limits CB voltage above SW to 7 V maximum."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground connection for the regulator."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback pin set by the divider VOUT = VFB(1 + R1/R2) with VFB = 0.765 V; resistors must be 100 Ω to 10 kΩ to avoid input bias errors, and FB is rated −0.3 V to 5 V."+ },+ {+ "number": "4",+ "name": "SHDN",+ "type": "input",+ "description": "Logic-level shutdown input: pull to GND to disable and high to enable (about 2.3 V or higher logic signals), tie to VIN if unused, and do not let it float; the maximum voltage should not exceed 42 V."+ },+ {+ "number": "5",+ "name": "VIN",+ "type": "power_in",+ "description": "Power input voltage pin with a 4.5 V to 42 V normal operating range (absolute maximum −0.3 V to 45 V)."+ },+ {+ "number": "6",+ "name": "SW",+ "type": "output",+ "description": "Power FET output that connects to the inductor, the catch diode and the CBOOT capacitor; SW voltage is rated up to 42 V."+ }+ ],+ "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 labels CB and VIN as 'I' (input). I mapped VIN to KiCad power_in and kept CB; Datasheet text says 2.3 V or higher logic signals for enable and separately a 100 kΩ or larger serie"+ ],+ "pages_sent": 25,+ "cost_usd": 0.0992,+ "at": "2026-10-08T15:28:08"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2842-q1",+ "pages": 25,+ "sha256": "9b519afa4d0599ef",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm2842yqmk.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.8,+ 2.9,+ 0.95+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "1007b8f67a3e81e2c5182bfd1fd27afe4d8d3710e0bfa1a14b8a91db8b595eb5",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm2842yqmk-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.8,+ 2.9,+ 0.95+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "2c15a31df04fcbc341507022c1abd3c3e33b3482686321166e4c844e8d49d4c9",+ "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]"+ }+}