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LM25141QRGETQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# LM25141QRGETQ1++**Texas Instruments** · DC-DC Converters · VQFN-24-EP(4x4)++LM25141QRGETQ1 from Texas Instruments, in a VQFN-24-EP(4x4). 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 | DEMB | input | Diode emulation pin enabling diode emulation when connected to AGND, forced PWM mode when connected to VDDA, or external clock synchronization input. |+| 2 | VDDA | power_out | Internal analog bias regulator output requiring a capacitor connection from VDDA to AGND. |+| 3 | AGND | power_in | Analog ground connection providing ground return for internal voltage reference and analog circuits. |+| 4 | RT | input | Oscillator frequency adjustment pin using resistor-to-ground for frequency range 2.2 MHz (1.8-2.53 MHz) or 440 kHz (300-500 kHz), with analog voltage adjustment through resistor also supported. |+| 5 | DITH | output | Dither output charged and discharged with 20-µA current source modulating oscillator frequency between -5% and +5%, disabled by connecting to VDDA. |+| 6 | OSC | input | Frequency selection pin setting oscillator to 2.2 MHz when connected to VDDA or 440 kHz when connected to AGND. |+| 7 | LOL | output | Low-side gate driver turnoff output. |+| 8 | LO | output | Low-side gate driver turnon output. |+| 9 | PGND | power_in | Power ground connection pin for low-side NMOS gate driver. |+| 10 | VCC | power_in | VCC bias supply pin requiring a capacitor connection from VCC to PGND. |+| 11 | HB | power_in | High-side driver supply pin for bootstrap gate drive. |+| 12 | SW | passive | Switching node of the buck regulator connecting to bootstrap capacitor, source terminal of high-side MOSFET, and drain terminal of low-side MOSFET. |+| 13 | HO | output | High-side gate driver turnon output. |+| 14 | HOL | output | High-side gate driver turnoff output. |+| 15 | VIN | power_in | Supply voltage input source for VCC regulator, operating from 3.8 V to 42 V. |+| 16 | VCCX | power_in | Optional external bias supply input internally connected to VCC when above 4.5 V with internal regulator disabled; must be grounded if unused. |+| 17 | VOUT | input | Current sense amplifier input connected to output side of current sense resistor. |+| 18 | CS | input | Current sense amplifier input requiring low current Kelvin connection to inductor side of external current sense resistor. |+| 19 | FB | input | Feedback pin connected to VDDA for 3.3 V fixed output, to AGND for 5 V fixed output, or to output divider network for 1.5-15 V adjustable output with 1.2 V regulation threshold. |+| 20 | COMP | input | Output of the transconductance error amplifier. |+| 21 | PG | tri_state | Open-collector output switching low when VOUT is outside power good window. |+| 22 | SS | input | Soft-start programming pin with external capacitor and internal 20-µA current source setting ramp rate, turning off gate driver outputs when pulled below 80 mV. |+| 23 | EN | input | An active high logic input enabling the controller. |+| 24 | RES | output | Restart timer pin with external capacitor configuring hiccup mode current limiting, determining off-time before automatic restart after 512 consecutive PWM cycles with cycle-by-cycle current limiting. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24-EP(4x4) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `LM25141QRGETQ1`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`+- 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `lm25141qrgetq1-etched.step` / `lm25141qrgetq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm25141qrgetq1.step` / `lm25141qrgetq1.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/lm25141-q1) (55 pp, sha256 `4e8600680b2accdb`, 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 0.3`, 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/lm25141qrgetq1-datasheet.pdf)
page.jsonadded+261@@ -0,0 +1,261 @@+{+ "slug": "lm25141qrgetq1",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm25141qrgetq1",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm25141qrgetq1.kicad_sym",+ "lm25141qrgetq1.kicad_mod",+ "lm25141qrgetq1.glb",+ "lm25141qrgetq1.step",+ "lm25141qrgetq1.lbr",+ "docs/hero.png",+ "docs/lm25141qrgetq1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM25141QRGETQ1",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-24-EP(4x4)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm25141-q1",+ "parts": {+ "symbol": "lm25141qrgetq1.kicad_sym",+ "footprint": "lm25141qrgetq1.kicad_mod",+ "model_3d": "lm25141qrgetq1-etched.glb",+ "model_3d_plain": "lm25141qrgetq1.glb",+ "model_3d_step": "lm25141qrgetq1-etched.step",+ "model_3d_step_plain": "lm25141qrgetq1.step",+ "lbr": "lm25141qrgetq1.lbr"+ },+ "distributor_links": {+ "lcsc": "C2658001",+ "digikey": "296-45473-2-ND"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T09:06:00Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-45473-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "DEMB",+ "type": "input",+ "description": "Diode emulation pin enabling diode emulation when connected to AGND, forced PWM mode when connected to VDDA, or external clock synchronization input."+ },+ {+ "number": "2",+ "name": "VDDA",+ "type": "power_out",+ "description": "Internal analog bias regulator output requiring a capacitor connection from VDDA to AGND."+ },+ {+ "number": "3",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground connection providing ground return for internal voltage reference and analog circuits."+ },+ {+ "number": "4",+ "name": "RT",+ "type": "input",+ "description": "Oscillator frequency adjustment pin using resistor-to-ground for frequency range 2.2 MHz (1.8-2.53 MHz) or 440 kHz (300-500 kHz), with analog voltage adjustment through resistor also supported."+ },+ {+ "number": "5",+ "name": "DITH",+ "type": "output",+ "description": "Dither output charged and discharged with 20-µA current source modulating oscillator frequency between -5% and +5%, disabled by connecting to VDDA."+ },+ {+ "number": "6",+ "name": "OSC",+ "type": "input",+ "description": "Frequency selection pin setting oscillator to 2.2 MHz when connected to VDDA or 440 kHz when connected to AGND."+ },+ {+ "number": "7",+ "name": "LOL",+ "type": "output",+ "description": "Low-side gate driver turnoff output."+ },+ {+ "number": "8",+ "name": "LO",+ "type": "output",+ "description": "Low-side gate driver turnon output."+ },+ {+ "number": "9",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground connection pin for low-side NMOS gate driver."+ },+ {+ "number": "10",+ "name": "VCC",+ "type": "power_in",+ "description": "VCC bias supply pin requiring a capacitor connection from VCC to PGND."+ },+ {+ "number": "11",+ "name": "HB",+ "type": "power_in",+ "description": "High-side driver supply pin for bootstrap gate drive."+ },+ {+ "number": "12",+ "name": "SW",+ "type": "passive",+ "description": "Switching node of the buck regulator connecting to bootstrap capacitor, source terminal of high-side MOSFET, and drain terminal of low-side MOSFET."+ },+ {+ "number": "13",+ "name": "HO",+ "type": "output",+ "description": "High-side gate driver turnon output."+ },+ {+ "number": "14",+ "name": "HOL",+ "type": "output",+ "description": "High-side gate driver turnoff output."+ },+ {+ "number": "15",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply voltage input source for VCC regulator, operating from 3.8 V to 42 V."+ },+ {+ "number": "16",+ "name": "VCCX",+ "type": "power_in",+ "description": "Optional external bias supply input internally connected to VCC when above 4.5 V with internal regulator disabled; must be grounded if unused."+ },+ {+ "number": "17",+ "name": "VOUT",+ "type": "input",+ "description": "Current sense amplifier input connected to output side of current sense resistor."+ },+ {+ "number": "18",+ "name": "CS",+ "type": "input",+ "description": "Current sense amplifier input requiring low current Kelvin connection to inductor side of external current sense resistor."+ },+ {+ "number": "19",+ "name": "FB",+ "type": "input",+ "description": "Feedback pin connected to VDDA for 3.3 V fixed output, to AGND for 5 V fixed output, or to output divider network for 1.5-15 V adjustable output with 1.2 V regulation threshold."+ },+ {+ "number": "20",+ "name": "COMP",+ "type": "input",+ "description": "Output of the transconductance error amplifier."+ },+ {+ "number": "21",+ "name": "PG",+ "type": "tri_state",+ "description": "Open-collector output switching low when VOUT is outside power good window."+ },+ {+ "number": "22",+ "name": "SS",+ "type": "input",+ "description": "Soft-start programming pin with external capacitor and internal 20-µA current source setting ramp rate, turning off gate driver outputs when pulled below 80 mV."+ },+ {+ "number": "23",+ "name": "EN",+ "type": "input",+ "description": "An active high logic input enabling the controller."+ },+ {+ "number": "24",+ "name": "RES",+ "type": "output",+ "description": "Restart timer pin with external capacitor configuring hiccup mode current limiting, determining off-time before automatic restart after 512 consecutive PWM cycles with cycle-by-cycle current limiting."+ },+ {+ "number": "25",+ "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: Exposed thermal pad is not assigned a numbered pin designation in the datasheet; designated as 'PAD'",+ "exposed pad 25 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.1723,+ "at": "2026-10-01T09:05:44"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm25141-q1",+ "pages": 55,+ "sha256": "4e8600680b2accdb",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "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]"+ }+}