component
ALS31300EEJASR-500
Public Made by Adomby adom
Allegro MicroSystems LLC Linear Hall Sensors, DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+47@@ -0,0 +1,47 @@+# ALS31300EEJASR-500++**Allegro MicroSystems LLC** · Linear Hall Sensors · DFN-10-EP(3x3)++ALS31300EEJASR-500 from Allegro MicroSystems LLC, in a DFN-10-EP(3x3). 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 | VCC | power_in | Power supply input with operating range 2.65 to 3.5 V; bypass to GND with 0.1 µF capacitor. |+| 2 | ADR0 | input | I2C address select pin; connect resistive divider to select device address from 16 options via external voltage levels. |+| 3 | GND | power_in | Ground signal terminal. |+| 4 | INT | output | Interrupt output with open-drain driver (90 Ω typical on-resistance) configured for magnetic field threshold or delta detection. |+| 5 | NC | unconnected | Not internally connected; connect to GND. |+| 6 | ADR1 | input | I2C address select pin; connect resistive divider to select device address from 16 options via external voltage levels. |+| 7 | SDA | bidirectional | I2C serial data bidirectional pin with open-drain driver; compatible with 1.8 V and 3.0 V I2C thresholds. |+| 8 | SCL | input | I2C serial clock input; compatible with clock frequencies up to 1 MHz (Fast Mode+). |+| 9 | NC | unconnected | Not internally connected; connect to GND. |+| 10 | NC | unconnected | Not internally connected; connect to GND. |+| 11 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Allegro MicroSystems LLC |+| Package | DFN-10-EP(3x3) |+| Category | Magnetic Sensors |+| Pins | 11 |++## CAD (KiCad official)++- Symbol: `ALS31300EEJASR-500`+- Footprint: `Package_DFN_QFN:DFN-10-1EP_3x3mm_P0.5mm_EP1.55x2.48mm`+- 3D model: DFN-10-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `als31300eejasr-500-etched.step` / `als31300eejasr-500-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `als31300eejasr-500.step` / `als31300eejasr-500.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Allegro MicroSystems LLC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894553215029248) (25 pp, sha256 `bfecc827727634b8`, retrieved 2026-09-22, tier: lcsc)+- **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/als31300eejasr-500-datasheet.pdf)
page.jsonadded+162@@ -0,0 +1,162 @@+{+ "slug": "als31300eejasr-500",+ "version": "0.1.0",+ "type": "component",+ "description": "Allegro MicroSystems LLC Linear Hall Sensors, DFN-10-EP(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "magnetic sensors",+ "als31300eejasr-500",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "als31300eejasr-500.kicad_sym",+ "als31300eejasr-500.kicad_mod",+ "als31300eejasr-500.glb",+ "als31300eejasr-500.step",+ "als31300eejasr-500.lbr",+ "docs/hero.png",+ "docs/als31300eejasr-500-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "ALS31300EEJASR-500",+ "manufacturer": "Allegro MicroSystems LLC",+ "package": "DFN-10-EP(3x3)",+ "pin_count": 11,+ "category": "Magnetic Sensors",+ "subcategory": "Linear Hall Sensors",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894553215029248",+ "parts": {+ "symbol": "als31300eejasr-500.kicad_sym",+ "footprint": "als31300eejasr-500.kicad_mod",+ "model_3d": "als31300eejasr-500-etched.glb",+ "model_3d_plain": "als31300eejasr-500.glb",+ "model_3d_step": "als31300eejasr-500-etched.step",+ "model_3d_step_plain": "als31300eejasr-500.step",+ "lbr": "als31300eejasr-500.lbr"+ },+ "distributor_links": {+ "lcsc": "C2654972"+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply input with operating range 2.65 to 3.5 V; bypass to GND with 0.1 µF capacitor."+ },+ {+ "number": "2",+ "name": "ADR0",+ "type": "input",+ "description": "I2C address select pin; connect resistive divider to select device address from 16 options via external voltage levels."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground signal terminal."+ },+ {+ "number": "4",+ "name": "INT",+ "type": "output",+ "description": "Interrupt output with open-drain driver (90 Ω typical on-resistance) configured for magnetic field threshold or delta detection."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; connect to GND."+ },+ {+ "number": "6",+ "name": "ADR1",+ "type": "input",+ "description": "I2C address select pin; connect resistive divider to select device address from 16 options via external voltage levels."+ },+ {+ "number": "7",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C serial data bidirectional pin with open-drain driver; compatible with 1.8 V and 3.0 V I2C thresholds."+ },+ {+ "number": "8",+ "name": "SCL",+ "type": "input",+ "description": "I2C serial clock input; compatible with clock frequencies up to 1 MHz (Fast Mode+)."+ },+ {+ "number": "9",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; connect to GND."+ },+ {+ "number": "10",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected; connect to GND."+ },+ {+ "number": "11",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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": [+ "exposed pad 11 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 25,+ "cost_usd": 0.3241,+ "at": "2026-09-22T06:47:01"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894553215029248",+ "pages": 25,+ "sha256": "bfecc827727634b8",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 11,+ "described": 11,+ "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]"+ }+}