component
LM25066PSQ
Public Made by Adomby adom
Texas Instruments Power Management - Specialized, WQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# LM25066PSQ++**Texas Instruments** · Power Management - Specialized · WQFN-24-EP(4x5)++LM25066PSQ from Texas Instruments, in a WQFN-24-EP(4x5). 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 | ADR2 | input | SMBus address line 2; 3-state address line that should be left floating or connected directly to VDD or GND. |+| 2 | ADR1 | input | SMBus address line 1; 3-state address line that should be left floating or connected directly to VDD or GND. |+| 3 | ADR0 | input | SMBus address line 0; 3-state address line that should be left floating or connected directly to VDD or GND. |+| 4 | VDD | power_out | Internally sub-regulated 4.5 V bias supply; requires 1 µF bypass capacitor to ground. |+| 5 | CL | input | Current limit range configuration; connect to GND for 25 mV threshold or to VDD for 46 mV threshold. |+| 6 | CB | input | Circuit breaker range configuration; connect to GND for 1.8× overcurrent threshold or to VDD for 3.6× threshold. |+| 7 | FB | input | Power good feedback with 1.167 V threshold and 24 µA hysteresis current source for external resistor divider from output. |+| 8 | RETRY | input | Fault retry configuration; connect to GND for continuous retry or to VDD for latch-off during fault. |+| 9 | TIMER | passive | Timing capacitor connection point that sets insertion time delay, fault timeout period, and restart timing. |+| 10 | PWR | passive | Power limit set point with external resistor connection to set maximum MOSFET power dissipation. |+| 11 | PGD | output | Power good indicator open-drain output; high when FB exceeds 1.167 V and input within UVLO/OVLO thresholds; requires external pullup resistor. |+| 12 | OUT | input | Output feedback connection to external MOSFET source for VDS voltage monitoring and output voltage measurement. |+| 13 | GATE | output | Gate drive output for external MOSFET gate connection with 22-µA source and 2 mA/190 mA pulldown current. |+| 14 | SENSE | input | Current sense input measuring voltage across current sense resistor from VIN; triggers overcurrent limiting and fault timer. |+| 15 | VIN | power_in | Positive supply input with input voltage range of 2.9 V to 17 V; small ceramic bypass capacitor recommended to suppress transients. |+| 16 | UVLO/EN | input | Undervoltage lockout input with 1.16 V enable threshold and 23-µA hysteresis current source; external resistor divider sets threshold or enables remote shutdown. |+| 17 | OVLO | input | Overvoltage lockout input with 1.16 V disable threshold and 23-µA hysteresis current source via external resistor divider. |+| 18 | GND | power_in | Circuit ground reference. |+| 19 | SDA | tri_state | SMBus data open-drain output requiring external pullup resistor to VDD or other voltage source. |+| 20 | SCL | tri_state | SMBus clock open-drain output requiring external pullup resistor to VDD or other voltage source. |+| 21 | SMBA | output | SMBus alert active-low open-drain output requiring external pullup resistor to VDD or other voltage source. |+| 22 | VREF | power_out | Internal precision 2.73 V reference for analog-to-digital conversion; requires 1 µF bypass capacitor to ground. |+| 23 | DIODE | passive | External diode connection point for temperature monitoring via diode-configured NPN transistor or tie to ground if unused. |+| 24 | VAUX | input | Auxiliary voltage input for external voltage telemetry with full scale input range of 0 V to 1.16 V. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-24-EP(4x5) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `LM25066PSQ`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x5mm_P0.5mm_EP2.65x3.65mm`+- 3D model: WQFN-24-EP(4x5) (KiCad packages3D, STEP)+- 3D model files: `lm25066psq-etched.step` / `lm25066psq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm25066psq.step` / `lm25066psq.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/lm25066) (63 pp, sha256 `f2e07e7a0b250023`, 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/lm25066psq-datasheet.pdf)
page.jsonadded+259@@ -0,0 +1,259 @@+{+ "slug": "lm25066psq",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Power Management - Specialized, WQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm25066psq",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm25066psq.kicad_sym",+ "lm25066psq.kicad_mod",+ "lm25066psq.glb",+ "lm25066psq.step",+ "lm25066psq.lbr",+ "docs/hero.png",+ "docs/lm25066psq-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM25066PSQ",+ "manufacturer": "Texas Instruments",+ "package": "WQFN-24-EP(4x5)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "Power Management - Specialized",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm25066",+ "parts": {+ "symbol": "lm25066psq.kicad_sym",+ "footprint": "lm25066psq.kicad_mod",+ "model_3d": "lm25066psq-etched.glb",+ "model_3d_plain": "lm25066psq.glb",+ "model_3d_step": "lm25066psq-etched.step",+ "model_3d_step_plain": "lm25066psq.step",+ "lbr": "lm25066psq.lbr"+ },+ "distributor_links": {+ "lcsc": "C2156205"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T07:47:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "ADR2",+ "type": "input",+ "description": "SMBus address line 2; 3-state address line that should be left floating or connected directly to VDD or GND."+ },+ {+ "number": "2",+ "name": "ADR1",+ "type": "input",+ "description": "SMBus address line 1; 3-state address line that should be left floating or connected directly to VDD or GND."+ },+ {+ "number": "3",+ "name": "ADR0",+ "type": "input",+ "description": "SMBus address line 0; 3-state address line that should be left floating or connected directly to VDD or GND."+ },+ {+ "number": "4",+ "name": "VDD",+ "type": "power_out",+ "description": "Internally sub-regulated 4.5 V bias supply; requires 1 µF bypass capacitor to ground."+ },+ {+ "number": "5",+ "name": "CL",+ "type": "input",+ "description": "Current limit range configuration; connect to GND for 25 mV threshold or to VDD for 46 mV threshold."+ },+ {+ "number": "6",+ "name": "CB",+ "type": "input",+ "description": "Circuit breaker range configuration; connect to GND for 1.8× overcurrent threshold or to VDD for 3.6× threshold."+ },+ {+ "number": "7",+ "name": "FB",+ "type": "input",+ "description": "Power good feedback with 1.167 V threshold and 24 µA hysteresis current source for external resistor divider from output."+ },+ {+ "number": "8",+ "name": "RETRY",+ "type": "input",+ "description": "Fault retry configuration; connect to GND for continuous retry or to VDD for latch-off during fault."+ },+ {+ "number": "9",+ "name": "TIMER",+ "type": "passive",+ "description": "Timing capacitor connection point that sets insertion time delay, fault timeout period, and restart timing."+ },+ {+ "number": "10",+ "name": "PWR",+ "type": "passive",+ "description": "Power limit set point with external resistor connection to set maximum MOSFET power dissipation."+ },+ {+ "number": "11",+ "name": "PGD",+ "type": "output",+ "description": "Power good indicator open-drain output; high when FB exceeds 1.167 V and input within UVLO/OVLO thresholds; requires external pullup resistor."+ },+ {+ "number": "12",+ "name": "OUT",+ "type": "input",+ "description": "Output feedback connection to external MOSFET source for VDS voltage monitoring and output voltage measurement."+ },+ {+ "number": "13",+ "name": "GATE",+ "type": "output",+ "description": "Gate drive output for external MOSFET gate connection with 22-µA source and 2 mA/190 mA pulldown current."+ },+ {+ "number": "14",+ "name": "SENSE",+ "type": "input",+ "description": "Current sense input measuring voltage across current sense resistor from VIN; triggers overcurrent limiting and fault timer."+ },+ {+ "number": "15",+ "name": "VIN",+ "type": "power_in",+ "description": "Positive supply input with input voltage range of 2.9 V to 17 V; small ceramic bypass capacitor recommended to suppress transients."+ },+ {+ "number": "16",+ "name": "UVLO/EN",+ "type": "input",+ "description": "Undervoltage lockout input with 1.16 V enable threshold and 23-µA hysteresis current source; external resistor divider sets threshold or enables remote shutdown."+ },+ {+ "number": "17",+ "name": "OVLO",+ "type": "input",+ "description": "Overvoltage lockout input with 1.16 V disable threshold and 23-µA hysteresis current source via external resistor divider."+ },+ {+ "number": "18",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground reference."+ },+ {+ "number": "19",+ "name": "SDA",+ "type": "tri_state",+ "description": "SMBus data open-drain output requiring external pullup resistor to VDD or other voltage source."+ },+ {+ "number": "20",+ "name": "SCL",+ "type": "tri_state",+ "description": "SMBus clock open-drain output requiring external pullup resistor to VDD or other voltage source."+ },+ {+ "number": "21",+ "name": "SMBA",+ "type": "output",+ "description": "SMBus alert active-low open-drain output requiring external pullup resistor to VDD or other voltage source."+ },+ {+ "number": "22",+ "name": "VREF",+ "type": "power_out",+ "description": "Internal precision 2.73 V reference for analog-to-digital conversion; requires 1 µF bypass capacitor to ground."+ },+ {+ "number": "23",+ "name": "DIODE",+ "type": "passive",+ "description": "External diode connection point for temperature monitoring via diode-configured NPN transistor or tie to ground if unused."+ },+ {+ "number": "24",+ "name": "VAUX",+ "type": "input",+ "description": "Auxiliary voltage input for external voltage telemetry with full scale input range of 0 V to 1.16 V."+ },+ {+ "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 pad listed in datasheet pin function table but not assigned a traditional pin number; includ",+ "exposed pad 25 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 11,+ "cost_usd": 0.1584,+ "at": "2026-10-01T07:47:43"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm25066",+ "pages": 63,+ "sha256": "f2e07e7a0b250023",+ "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]"+ }+}