component
SR2LARU
Public Made by Adomby adom
STMicroelectronics Monitors & Reset Circuits, UDFN-6(1.3x1.6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# SR2LARU++**STMicroelectronics** · Monitors & Reset Circuits · UDFN-6(1.3x1.6)++SR2LARU from STMicroelectronics, in a UDFN-6(1.3x1.6). 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 | VSS | power_in | Ground pin for the device; a 0.1 µF ceramic decoupling capacitor is recommended between VCC and VSS, as close to the device as possible. |+| 2 | SR1 | input | Secondary push-button Smart Reset input, active low, which must be held active together with SR0 for at least tSRC (6.0 s typ. for SR2LARU) to assert RST; VIH is 0.85 V to 5.5 V and VIL is up to 0.3 V. |+| 3 | RST | output | Active-low open-drain reset output with no internal pull-up on this variant, so an external pull-up is required; VOL is 0.3 V max when sinking 3.2 mA at VCC ≤ 4.5 V, and the output stays valid down to VCC = 1 V. |+| 4 | NC | unconnected | Not connected (not bonded internally); the datasheet says it should be connected to VSS. |+| 5 | SR0 | input | Primary push-button Smart Reset input, active low, which must be held active together with SR1 for at least tSRC to assert RST; driving it to VCC + 0.9 V to VCC + 1.4 V enters test mode. |+| 6 | VCC | power_in | Positive supply voltage, 1.65 V to 5.5 V (absolute maximum -0.3 V to 7 V), with a 0.1 µF ceramic decoupling capacitor recommended between VCC and VSS. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | UDFN-6(1.3x1.6) |+| Category | Power Supply Chip |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `SR2LARU`+- Footprint: `Package_DFN_QFN:DFN-6_1.6x1.3mm_P0.4mm`+- 3D model: UDFN-6(1.3x1.6), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.55 mm nominal QFN 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: `sr2laru-etched.step` / `sr2laru-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sr2laru.step` / `sr2laru.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040962798014464) (22 pp, sha256 `08d927275f1457ef`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/sr2laru-datasheet.pdf)
page.jsonadded+188@@ -0,0 +1,188 @@+{+ "slug": "sr2laru",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Monitors & Reset Circuits, UDFN-6(1.3x1.6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "sr2laru",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sr2laru.kicad_sym",+ "sr2laru.kicad_mod",+ "sr2laru.glb",+ "sr2laru.step",+ "sr2laru.lbr",+ "docs/hero.png",+ "docs/sr2laru-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "sr2laru-hero.glb",+ "sr2laru-hero.overlay.json"+ ],+ "component": {+ "mpn": "SR2LARU",+ "manufacturer": "STMicroelectronics",+ "package": "UDFN-6(1.3x1.6)",+ "pin_count": 6,+ "category": "Power Supply Chip",+ "subcategory": "Monitors & Reset Circuits",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040962798014464",+ "parts": {+ "symbol": "sr2laru.kicad_sym",+ "footprint": "sr2laru.kicad_mod",+ "model_3d": "sr2laru-hero.glb",+ "model_3d_plain": "sr2laru.glb",+ "model_3d_step": "sr2laru-etched.step",+ "model_3d_step_plain": "sr2laru.step",+ "lbr": "sr2laru.lbr"+ },+ "distributor_links": {+ "lcsc": "C2066501",+ "digikey": "497-14627-2-ND",+ "mouser": "511-SR2LARU"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T18:31:58Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-14627-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-SR2LARU",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin for the device; a 0.1 µF ceramic decoupling capacitor is recommended between VCC and VSS, as close to the device as possible."+ },+ {+ "number": "2",+ "name": "SR1",+ "type": "input",+ "description": "Secondary push-button Smart Reset input, active low, which must be held active together with SR0 for at least tSRC (6.0 s typ. for SR2LARU) to assert RST; VIH is 0.85 V to 5.5 V and VIL is up to 0.3 V."+ },+ {+ "number": "3",+ "name": "RST",+ "type": "output",+ "description": "Active-low open-drain reset output with no internal pull-up on this variant, so an external pull-up is required; VOL is 0.3 V max when sinking 3.2 mA at VCC ≤ 4.5 V, and the output stays valid down to VCC = 1 V."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected (not bonded internally); the datasheet says it should be connected to VSS."+ },+ {+ "number": "5",+ "name": "SR0",+ "type": "input",+ "description": "Primary push-button Smart Reset input, active low, which must be held active together with SR1 for at least tSRC to assert RST; driving it to VCC + 0.9 V to VCC + 1.4 V enters test mode."+ },+ {+ "number": "6",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage, 1.65 V to 5.5 V (absolute maximum -0.3 V to 7 V), with a 0.1 µF ceramic decoupling capacitor recommended between VCC and VSS."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Figure 2 (page 4) pin-connection labels are garbled in the text extraction and do not map cleanly to; Table 1 describes the SR inputs and RST as having optional pull-ups and RST as push-pull or open-dra; Package hint UDFN-6 (1.3x1.6) matches the datasheet's UDFN6 1.6 x 1.3 mm package; this datasheet cov"+ ],+ "pages_sent": 22,+ "cost_usd": 0.0638,+ "at": "2026-10-08T18:31:30"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040962798014464",+ "pages": 22,+ "sha256": "08d927275f1457ef",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "sr2laru.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 1.62,+ 1.3,+ 0.55+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "fc8217f2b0653ea1af480aa1ae5969acb0d6d1cb63064499e4a5d9d51ed94652",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sr2laru-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 1.62,+ 1.3,+ 0.55+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "f49ef9f6b365708289131b31aa6c1effb1fd3bca46c4abb49aa9d732934e467d",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}