component
LM27342SD
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+47@@ -0,0 +1,47 @@+# LM27342SD++**Texas Instruments** · DC-DC Converters · WSON-10-EP(3x3)++LM27342SD from Texas Instruments, in a WSON-10-EP(3x3). 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 | Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is rated -0.5 V to 20 V recommended (24 V absolute maximum). |+| 2 | SW | output | Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is rated -0.5 V to 20 V recommended (24 V absolute maximum). |+| 3 | BOOST | input | Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW; Boost-to-SW voltage is limited to 3 V to 5.5 V recommended. |+| 4 | EN | input | Enable control input where logic high enables operation; do not let this pin float or exceed VIN + 0.3 V. |+| 5 | SYNC | input | Frequency synchronization input driven by an external clock or pulse train (1 MHz < fSW < 2.35 MHz), or grounded to use the internal 2 MHz clock. |+| 6 | FB | input | Feedback pin connected to the external resistor divider that sets the output voltage; FB voltage is limited to 3 V absolute maximum. |+| 7 | GND | power_in | Signal and power ground; place the bottom resistor of the feedback network as close as possible to this pin for accurate regulation. |+| 8 | AVIN | power_in | Supply voltage for the control circuitry, rated 3 V to 20 V recommended (24 V absolute maximum). |+| 9 | PVIN | power_in | Supply voltage for the output power stage; connect a bypass capacitor to this pin; rated 3 V to 20 V recommended (24 V absolute maximum). |+| 10 | PVIN | power_in | Supply voltage for the output power stage; connect a bypass capacitor to this pin; rated 3 V to 20 V recommended (24 V absolute maximum). |+| 11 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-10-EP(3x3) |+| Category | Power Supply Chip |+| Pins | 11 |++## CAD (KiCad official)++- Symbol: `LM27342SD`+- Footprint: `Package_SON:VSON-10-1EP_3x3mm_P0.5mm_EP1.2x2mm`+- 3D model: WSON-10-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `lm27342sd-etched.step` / `lm27342sd-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm27342sd.step` / `lm27342sd.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/lm27342) (55 pp, sha256 `cef0ca904e2ee532`, retrieved 2026-10-08, tier: lcsc)+- **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/lm27342sd-datasheet.pdf)
page.jsonadded+217@@ -0,0 +1,217 @@+{+ "slug": "lm27342sd",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "lm27342sd",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm27342sd.kicad_sym",+ "lm27342sd.kicad_mod",+ "lm27342sd.glb",+ "lm27342sd.step",+ "lm27342sd.lbr",+ "docs/hero.png",+ "docs/lm27342sd-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm27342sd-hero.glb",+ "lm27342sd-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM27342SD",+ "manufacturer": "Texas Instruments",+ "package": "WSON-10-EP(3x3)",+ "pin_count": 11,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm27342",+ "parts": {+ "symbol": "lm27342sd.kicad_sym",+ "footprint": "lm27342sd.kicad_mod",+ "model_3d": "lm27342sd-hero.glb",+ "model_3d_plain": "lm27342sd.glb",+ "model_3d_step": "lm27342sd-etched.step",+ "model_3d_step_plain": "lm27342sd.step",+ "lbr": "lm27342sd.lbr"+ },+ "distributor_links": {+ "lcsc": "C2070978"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T15:27:34Z",+ "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": "Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is rated -0.5 V to 20 V recommended (24 V absolute maximum)."+ },+ {+ "number": "2",+ "name": "SW",+ "type": "output",+ "description": "Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is rated -0.5 V to 20 V recommended (24 V absolute maximum)."+ },+ {+ "number": "3",+ "name": "BOOST",+ "type": "input",+ "description": "Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW; Boost-to-SW voltage is limited to 3 V to 5.5 V recommended."+ },+ {+ "number": "4",+ "name": "EN",+ "type": "input",+ "description": "Enable control input where logic high enables operation; do not let this pin float or exceed VIN + 0.3 V."+ },+ {+ "number": "5",+ "name": "SYNC",+ "type": "input",+ "description": "Frequency synchronization input driven by an external clock or pulse train (1 MHz < fSW < 2.35 MHz), or grounded to use the internal 2 MHz clock."+ },+ {+ "number": "6",+ "name": "FB",+ "type": "input",+ "description": "Feedback pin connected to the external resistor divider that sets the output voltage; FB voltage is limited to 3 V absolute maximum."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Signal and power ground; place the bottom resistor of the feedback network as close as possible to this pin for accurate regulation."+ },+ {+ "number": "8",+ "name": "AVIN",+ "type": "power_in",+ "description": "Supply voltage for the control circuitry, rated 3 V to 20 V recommended (24 V absolute maximum)."+ },+ {+ "number": "9",+ "name": "PVIN",+ "type": "power_in",+ "description": "Supply voltage for the output power stage; connect a bypass capacitor to this pin; rated 3 V to 20 V recommended (24 V absolute maximum)."+ },+ {+ "number": "10",+ "name": "PVIN",+ "type": "power_in",+ "description": "Supply voltage for the output power stage; connect a bypass capacitor to this pin; rated 3 V to 20 V recommended (24 V absolute maximum)."+ },+ {+ "number": "11",+ "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: Pinout taken from the 10-Pin WSON (DSC) top-view table on page 3. The package hint WSON-10-EP(3x3) m; Voltage limits in the descriptions (SW, BOOST-to-SW, AVIN/PVIN, FB) come from the Absolute Maximum a; Pin types are mapped to KiCad classes: SW as output, BOOST/EN/SYNC/FB as input (datasheet type I), A",+ "exposed pad 11 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0571,+ "at": "2026-10-08T15:27:14"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm27342",+ "pages": 55,+ "sha256": "cef0ca904e2ee532",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 11,+ "described": 11,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm27342sd.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 1.02+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "1b436233b33ebba84da89538e97b0062d5b95e5ae0b484c46c569cb67274a3a5",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm27342sd-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 1.02+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d13e0dea67fb6a5ca78206064423ef1cc97f28abb1f0acc7c6a537f5b248a2a1",+ "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]"+ }+}