component
LM2738YSD
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# LM2738YSD++**Texas Instruments** · DC-DC Converters · WSON-8-EP(3x3)++LM2738YSD from Texas Instruments, in a WSON-8-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 | 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 recommended at 2.5 V to 5.5 V. |+| 2 | VIN | power_in | Supply voltage for the output power stage; connect a bypass capacitor to this pin and tie pins 2 and 3 together at the package; recommended VIN/VCC range is 3 V to 20 V. |+| 3 | VCC | power_in | Input supply voltage of the device; connect a bypass capacitor to this pin and tie pins 2 and 3 together at the package. |+| 4 | EN | input | Enable control input where logic high enables operation; do not allow this pin to float or be greater than VIN + 0.3 V. |+| 5 | GND | power_in | Signal and power ground; place the bottom resistor of the feedback network as close as possible to this pin. |+| 6 | FB | input | Feedback pin that connects to the external resistor divider to set the output voltage, with an absolute maximum FB voltage of -0.5 V to 3 V. |+| 7 | GND | power_in | Signal and power ground; place the bottom resistor of the feedback network as close as possible to this pin. |+| 8 | SW | output | Output switch that connects to the inductor, catch diode, and bootstrap capacitor; recommended SW voltage range is -0.5 V to 20 V. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-8-EP(3x3) |+| Category | Power Supply Chip |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LM2738YSD`+- Footprint: `Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm`+- 3D model: WSON-8-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `lm2738ysd-etched.step` / `lm2738ysd-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2738ysd.step` / `lm2738ysd.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/lm2738) (44 pp, sha256 `2b1805b4c3e0d675`, 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/lm2738ysd-datasheet.pdf)
page.jsonadded+207@@ -0,0 +1,207 @@+{+ "slug": "lm2738ysd",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "lm2738ysd",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2738ysd.kicad_sym",+ "lm2738ysd.kicad_mod",+ "lm2738ysd.glb",+ "lm2738ysd.step",+ "lm2738ysd.lbr",+ "docs/hero.png",+ "docs/lm2738ysd-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm2738ysd-hero.glb",+ "lm2738ysd-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM2738YSD",+ "manufacturer": "Texas Instruments",+ "package": "WSON-8-EP(3x3)",+ "pin_count": 9,+ "category": "Power Supply Chip",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2738",+ "parts": {+ "symbol": "lm2738ysd.kicad_sym",+ "footprint": "lm2738ysd.kicad_mod",+ "model_3d": "lm2738ysd-hero.glb",+ "model_3d_plain": "lm2738ysd.glb",+ "model_3d_step": "lm2738ysd-etched.step",+ "model_3d_step_plain": "lm2738ysd.step",+ "lbr": "lm2738ysd.lbr"+ },+ "distributor_links": {+ "lcsc": "C2071258",+ "digikey": "2156-LM2738YSD-ND"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T15:29:40Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-LM2738YSD-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "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 recommended at 2.5 V to 5.5 V."+ },+ {+ "number": "2",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply voltage for the output power stage; connect a bypass capacitor to this pin and tie pins 2 and 3 together at the package; recommended VIN/VCC range is 3 V to 20 V."+ },+ {+ "number": "3",+ "name": "VCC",+ "type": "power_in",+ "description": "Input supply voltage of the device; connect a bypass capacitor to this pin and tie pins 2 and 3 together at the package."+ },+ {+ "number": "4",+ "name": "EN",+ "type": "input",+ "description": "Enable control input where logic high enables operation; do not allow this pin to float or be greater than VIN + 0.3 V."+ },+ {+ "number": "5",+ "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."+ },+ {+ "number": "6",+ "name": "FB",+ "type": "input",+ "description": "Feedback pin that connects to the external resistor divider to set the output voltage, with an absolute maximum FB voltage of -0.5 V to 3 V."+ },+ {+ "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."+ },+ {+ "number": "8",+ "name": "SW",+ "type": "output",+ "description": "Output switch that connects to the inductor, catch diode, and bootstrap capacitor; recommended SW voltage range is -0.5 V to 20 V."+ },+ {+ "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-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The exposed thermal pad (DAP) is not given a numeric pin number in the datasheet pin table; it is li; Pins 5 and 7 are both listed as GND in one table row; they are split into two entries with the same ; The datasheet pin table marks VIN (pin 2) as PWR and VCC (pin 3) as I; these were mapped to power_in",+ "exposed pad 9 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 7,+ "cost_usd": 0.0465,+ "at": "2026-10-08T15:29:14"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2738",+ "pages": 44,+ "sha256": "2b1805b4c3e0d675",+ "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"+ },+ "models_3d": [+ {+ "file": "lm2738ysd.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 0.82+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm2738ysd-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 2.98,+ 0.82+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "87f64583c43e19dbc4eed1ef5ed1c21148718589e5a3891fc66c16f546a88209",+ "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]"+ }+}