component
TPS62172DSGR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WSON-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# TPS62172DSGR++**Texas Instruments** · DC-DC Converters · WSON-8-EP(2x2)++TPS62172DSGR from Texas Instruments, in a WSON-8-EP(2x2). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PGND | power_in | Power ground for high-current switching path. |+| 2 | VIN | power_in | Supply voltage input with operating range 3 V to 17 V per Recommended Operating Conditions section 7.3. |+| 3 | EN | input | Enable input; high enables device operation, low disables with typical shutdown current of 1.5 µA and internal pull-down resistor of approximately 400 kΩ. |+| 4 | AGND | power_in | Analog ground reference that must be connected to exposed thermal pad. |+| 5 | FB | input | Voltage feedback input for adjustable versions; for fixed TPS62172 output version, internally pulled down and recommended to connect to AGND for improved thermal performance. |+| 6 | VOS | input | Output voltage sense input for internal control loop circuitry providing fast transient response and output regulation. |+| 7 | SW | output | Switch node connected to internal MOSFET switches; connect inductor between SW and output capacitor for DC-DC conversion. |+| 8 | PG | tri_state | Open-drain power good output indicator; high impedance when VOUT ready (≥92% nominal regulation), low when below regulation (≤87% nominal), can sink 2 mA and requires external pull-up resistor. |+| 9 | Exposed Thermal Pad | power_in | Electrical connection to AGND that must be soldered to printed circuit board for mechanical reliability and thermal dissipation; junction-to-board thermal resistance RθJB is 15.5 °C/W per section 7.4. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-8-EP(2x2) |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `TPS62172DSGR`+- Footprint: `Package_SON:WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm`+- 3D model: WSON-8-EP(2x2) (KiCad packages3D, STEP)+- 3D model files: `tps62172dsgr-etched.step` / `tps62172dsgr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps62172dsgr.step` / `tps62172dsgr.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/tps62172) (41 pp, sha256 `57da0bfac3369922`, retrieved 2026-09-22, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/tps62172dsgr-datasheet.pdf)
page.jsonadded+147@@ -0,0 +1,147 @@+{+ "slug": "tps62172dsgr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, WSON-8-EP(2x2). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps62172dsgr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps62172dsgr.kicad_sym",+ "tps62172dsgr.kicad_mod",+ "tps62172dsgr.glb",+ "tps62172dsgr.step",+ "tps62172dsgr.lbr",+ "docs/hero.png",+ "docs/tps62172dsgr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TPS62172DSGR",+ "manufacturer": "Texas Instruments",+ "package": "WSON-8-EP(2x2)",+ "pin_count": 9,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps62172",+ "parts": {+ "symbol": "tps62172dsgr.kicad_sym",+ "footprint": "tps62172dsgr.kicad_mod",+ "model_3d": "tps62172dsgr-etched.glb",+ "model_3d_plain": "tps62172dsgr.glb",+ "model_3d_step": "tps62172dsgr-etched.step",+ "model_3d_step_plain": "tps62172dsgr.step",+ "lbr": "tps62172dsgr.lbr"+ },+ "distributor_links": {+ "lcsc": "C59873"+ },+ "pins": [+ {+ "number": "1",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground for high-current switching path."+ },+ {+ "number": "2",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply voltage input with operating range 3 V to 17 V per Recommended Operating Conditions section 7.3."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Enable input; high enables device operation, low disables with typical shutdown current of 1.5 µA and internal pull-down resistor of approximately 400 kΩ."+ },+ {+ "number": "4",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground reference that must be connected to exposed thermal pad."+ },+ {+ "number": "5",+ "name": "FB",+ "type": "input",+ "description": "Voltage feedback input for adjustable versions; for fixed TPS62172 output version, internally pulled down and recommended to connect to AGND for improved thermal performance."+ },+ {+ "number": "6",+ "name": "VOS",+ "type": "input",+ "description": "Output voltage sense input for internal control loop circuitry providing fast transient response and output regulation."+ },+ {+ "number": "7",+ "name": "SW",+ "type": "output",+ "description": "Switch node connected to internal MOSFET switches; connect inductor between SW and output capacitor for DC-DC conversion."+ },+ {+ "number": "8",+ "name": "PG",+ "type": "tri_state",+ "description": "Open-drain power good output indicator; high impedance when VOUT ready (≥92% nominal regulation), low when below regulation (≤87% nominal), can sink 2 mA and requires external pull-up resistor."+ },+ {+ "number": "9",+ "name": "Exposed Thermal Pad",+ "type": "power_in",+ "description": "Electrical connection to AGND that must be soldered to printed circuit board for mechanical reliability and thermal dissipation; junction-to-board thermal resistance RθJB is 15.5 °C/W per section 7.4."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 41,+ "cost_usd": 0.3799,+ "at": "2026-09-22T21:49:46"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps62172",+ "pages": 41,+ "sha256": "57da0bfac3369922",+ "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]"+ }+}