component
TPS62740DSST
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WSON-12-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# TPS62740DSST++**Texas Instruments** · DC-DC Converters · WSON-12-EP(2x3)++TPS62740DSST from Texas Instruments, in a WSON-12-EP(2x3). 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 | VIN | power_in | VIN power supply pin with input voltage range 2.2V to 5.5V; connect close to input capacitor terminal with 4.7µF ceramic capacitor required. |+| 2 | SW | output | Switch pin connected to internal MOSFET switches; connect inductor to this terminal. |+| 3 | GND | power_in | Ground supply pin; connect close to GND terminal of input and output capacitors. |+| 4 | CTRL | input | Control pin for output LOAD; low disables LOAD output, high enables LOAD output; must be terminated. |+| 5 | VOUT | input | Feedback pin for internal feedback divider network and regulation loop with internal load switch connected between VOUT and LOAD; connect directly to output capacitor with short trace. |+| 6 | LOAD | output | Output controlled by CTRL pin; CTRL high connects LOAD to VOUT via internal load switch, CTRL low pulls LOAD to GND; features soft switching; can be left open if not used. |+| 7 | PG | tri_state | Power good open-drain output with high impedance when VOUT exceeds 97.5% of programmed voltage with -3% hysteresis; requires external pull-up resistor to generate high level; can be left open if not used. |+| 8 | VSEL4 | input | Output voltage selection pin; combined with VSEL1-3 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation. |+| 9 | VSEL3 | input | Output voltage selection pin; combined with VSEL1,2,4 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation. |+| 10 | VSEL2 | input | Output voltage selection pin; combined with VSEL1,3,4 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation. |+| 11 | VSEL1 | input | Output voltage selection pin; combined with VSEL2,3,4 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation. |+| 12 | EN | input | Enable pin; high level enables device, low level puts device into shutdown mode with 70nA typical current; must be terminated. |+| 13 | EXPOSED THERMAL PAD | unconnected | Exposed thermal pad not electrically connected to IC but must be soldered for thermal and mechanical performance; connect to GND and use as central ground plane. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-12-EP(2x3) |+| Category | Power Management (PMIC) |+| Pins | 13 |++## CAD (KiCad official)++- Symbol: `TPS62740DSST`+- Footprint: `Package_SON:WSON-12-1EP_3x2mm_P0.5mm_EP1x2.65`+- 3D model: WSON-12-EP(2x3), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.75 mm nominal WSON height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `tps62740dsst-etched.step` / `tps62740dsst-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps62740dsst.step` / `tps62740dsst.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/tps62742) (33 pp, sha256 `170ebb1b21f3f96c`, retrieved 2026-10-01, 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-4-6` (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/tps62740dsst-datasheet.pdf)
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connect close to input capacitor terminal with 4.7µF ceramic capacitor required."+ },+ {+ "number": "2",+ "name": "SW",+ "type": "output",+ "description": "Switch pin connected to internal MOSFET switches; connect inductor to this terminal."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground supply pin; connect close to GND terminal of input and output capacitors."+ },+ {+ "number": "4",+ "name": "CTRL",+ "type": "input",+ "description": "Control pin for output LOAD; low disables LOAD output, high enables LOAD output; must be terminated."+ },+ {+ "number": "5",+ "name": "VOUT",+ "type": "input",+ "description": "Feedback pin for internal feedback divider network and regulation loop with internal load switch connected between VOUT and LOAD; connect directly to output capacitor with short trace."+ },+ {+ "number": "6",+ "name": "LOAD",+ "type": "output",+ "description": "Output controlled by CTRL pin; CTRL high connects LOAD to VOUT via internal load switch, CTRL low pulls LOAD to GND; features soft switching; can be left open if not used."+ },+ {+ "number": "7",+ "name": "PG",+ "type": "tri_state",+ "description": "Power good open-drain output with high impedance when VOUT exceeds 97.5% of programmed voltage with -3% hysteresis; requires external pull-up resistor to generate high level; can be left open if not used."+ },+ {+ "number": "8",+ "name": "VSEL4",+ "type": "input",+ "description": "Output voltage selection pin; combined with VSEL1-3 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation."+ },+ {+ "number": "9",+ "name": "VSEL3",+ "type": "input",+ "description": "Output voltage selection pin; combined with VSEL1,2,4 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation."+ },+ {+ "number": "10",+ "name": "VSEL2",+ "type": "input",+ "description": "Output voltage selection pin; combined with VSEL1,3,4 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation."+ },+ {+ "number": "11",+ "name": "VSEL1",+ "type": "input",+ "description": "Output voltage selection pin; combined with VSEL2,3,4 to select output voltage from 1.8V to 3.3V in 100mV steps; must be terminated and can be changed during operation."+ },+ {+ "number": "12",+ "name": "EN",+ "type": "input",+ "description": "Enable pin; high level enables device, low level puts device into shutdown mode with 70nA typical current; must be terminated."+ },+ {+ "number": "13",+ "name": "EXPOSED THERMAL PAD",+ "type": "unconnected",+ "description": "Exposed thermal pad not electrically connected to IC but must be soldered for thermal and mechanical performance; connect to GND and use as central ground plane."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 33,+ "cost_usd": 0.3724,+ "at": "2026-10-01T18:10:58"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps62742",+ "pages": 33,+ "sha256": "170ebb1b21f3f96c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 13,+ "described": 13,+ "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]"+ }+}