component
TPS51218DSCR
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.
← Commit history
README.mdadded+47@@ -0,0 +1,47 @@+# TPS51218DSCR++**Texas Instruments** · DC-DC Converters · WSON-10-EP(3x3)++TPS51218DSCR 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 | PGOOD | output | Power-good open-drain output with internal comparator window at 92.5%-107.5% nominal output voltage, 1 mA sink capability at 0.5V, 1 ms turn-on delay and 2 μs turn-off delay. |+| 2 | TRIP | input | Over-current limit threshold setting input with 10 μA sourced current (4700 ppm/°C temperature coefficient), accepting 0.2 V to 3.0 V to establish OCL threshold voltage. |+| 3 | EN | input | Enable control input with 0.5 V disable threshold and 1.8 V enable threshold; pull low to disable device. |+| 4 | VFB | input | Feedback voltage input regulated to 0.7 V nominal within ±0.5-1.6% accuracy over -40°C to 85°C range, with input bias current 0.01-0.2 μA at 0.735 V. |+| 5 | RF | input | Frequency and mode selection input; connect resistor to ground for auto-skip or to PGOOD for forced CCM mode, with resistor values 39kΩ-470kΩ setting switching frequencies 290-430 kHz. |+| 6 | DRVL | output | Ground-referenced low-side gate driver output with 0.5-2.2 Ω output impedance and 30 ns maximum dead-time specification before DRVH turn-on. |+| 7 | V5IN | power_in | 5 V auxiliary supply input specified 4.5-6.5 V nominally, with typical supply current 320-500 μA under load and 1 μA in shutdown. |+| 8 | SW | bidirectional | Switching node for external high-side MOSFET drain connection, serving as gate drive return path, minimum on-time ramp reference source, and active output discharge path. |+| 9 | DRVH | output | High-side floating gate driver output with gate drive voltage determined by VBST-to-SW bootstrap capacitor voltage, 1.5-3 Ω source impedance, and 35 ns maximum dead-time before DRVL turn-on. |+| 10 | VBST | power_in | Bootstrap supply terminal for high-side gate driver requiring 10-100 μF external flying capacitor connection from VBST to SW pin, internally connected to V5IN through bootstrap MOSFET. |+| 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 Management (PMIC) |+| Pins | 11 |++## CAD (KiCad official)++- Symbol: `TPS51218DSCR`+- Footprint: `Package_SON:VSON-10-1EP_3x3mm_P0.5mm_EP1.2x2mm`+- 3D model: WSON-10-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `tps51218dscr-etched.step` / `tps51218dscr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps51218dscr.step` / `tps51218dscr.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/tps51218) (30 pp, sha256 `a4e19df548ae6c94`, retrieved 2026-10-03, tier: lcsc)+- **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/tps51218dscr-datasheet.pdf)
page.jsonadded+180@@ -0,0 +1,180 @@+{+ "slug": "tps51218dscr",+ "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 management (pmic)",+ "tps51218dscr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps51218dscr.kicad_sym",+ "tps51218dscr.kicad_mod",+ "tps51218dscr.glb",+ "tps51218dscr.step",+ "tps51218dscr.lbr",+ "docs/hero.png",+ "docs/tps51218dscr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps51218dscr-hero.glb",+ "tps51218dscr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS51218DSCR",+ "manufacturer": "Texas Instruments",+ "package": "WSON-10-EP(3x3)",+ "pin_count": 11,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps51218",+ "parts": {+ "symbol": "tps51218dscr.kicad_sym",+ "footprint": "tps51218dscr.kicad_mod",+ "model_3d": "tps51218dscr-hero.glb",+ "model_3d_plain": "tps51218dscr.glb",+ "model_3d_step": "tps51218dscr-etched.step",+ "model_3d_step_plain": "tps51218dscr.step",+ "lbr": "tps51218dscr.lbr"+ },+ "distributor_links": {+ "lcsc": 129763,+ "digikey": "296-41745-2-ND",+ "mouser": "595-TPS51218DSCR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T00:47:18Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-41745-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS51218DSCR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PGOOD",+ "type": "output",+ "description": "Power-good open-drain output with internal comparator window at 92.5%-107.5% nominal output voltage, 1 mA sink capability at 0.5V, 1 ms turn-on delay and 2 μs turn-off delay."+ },+ {+ "number": "2",+ "name": "TRIP",+ "type": "input",+ "description": "Over-current limit threshold setting input with 10 μA sourced current (4700 ppm/°C temperature coefficient), accepting 0.2 V to 3.0 V to establish OCL threshold voltage."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Enable control input with 0.5 V disable threshold and 1.8 V enable threshold; pull low to disable device."+ },+ {+ "number": "4",+ "name": "VFB",+ "type": "input",+ "description": "Feedback voltage input regulated to 0.7 V nominal within ±0.5-1.6% accuracy over -40°C to 85°C range, with input bias current 0.01-0.2 μA at 0.735 V."+ },+ {+ "number": "5",+ "name": "RF",+ "type": "input",+ "description": "Frequency and mode selection input; connect resistor to ground for auto-skip or to PGOOD for forced CCM mode, with resistor values 39kΩ-470kΩ setting switching frequencies 290-430 kHz."+ },+ {+ "number": "6",+ "name": "DRVL",+ "type": "output",+ "description": "Ground-referenced low-side gate driver output with 0.5-2.2 Ω output impedance and 30 ns maximum dead-time specification before DRVH turn-on."+ },+ {+ "number": "7",+ "name": "V5IN",+ "type": "power_in",+ "description": "5 V auxiliary supply input specified 4.5-6.5 V nominally, with typical supply current 320-500 μA under load and 1 μA in shutdown."+ },+ {+ "number": "8",+ "name": "SW",+ "type": "bidirectional",+ "description": "Switching node for external high-side MOSFET drain connection, serving as gate drive return path, minimum on-time ramp reference source, and active output discharge path."+ },+ {+ "number": "9",+ "name": "DRVH",+ "type": "output",+ "description": "High-side floating gate driver output with gate drive voltage determined by VBST-to-SW bootstrap capacitor voltage, 1.5-3 Ω source impedance, and 35 ns maximum dead-time before DRVL turn-on."+ },+ {+ "number": "10",+ "name": "VBST",+ "type": "power_in",+ "description": "Bootstrap supply terminal for high-side gate driver requiring 10-100 μF external flying capacitor connection from VBST to SW pin, internally connected to V5IN through bootstrap MOSFET."+ },+ {+ "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-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Thermal pad (EP) in WSON-10 packages typically includes internal ground connections; datasheet state",+ "exposed pad 11 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 10,+ "cost_usd": 0.1111,+ "at": "2026-10-03T00:46:55"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps51218",+ "pages": 30,+ "sha256": "a4e19df548ae6c94",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}