component
L5970ADTR
Public Made by Adomby adom
STMicroelectronics DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# L5970ADTR++**STMicroelectronics** · DC-DC Converters · SOIC-8++L5970ADTR from STMicroelectronics, in a SOIC-8. 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 | OUT | power_out | Regulated step-down converter output; delivers up to 1.5A DC current to load, output voltage adjustable from 1.235V to 35V depending on external feedback divider network. |+| 2 | SYNC | bidirectional | Master/Slave synchronization pin; outputs signal synchronous with internal power turn-off at 500kHz when open, accepts external signal above 500kHz for device synchronization, acts as master or slave when connected with other devices. |+| 3 | INH | input | Active-high inhibit control input; disables device when above 2.2V (OFF state), enables when below 0.8V (ON state), must be grounded if unused or will be disabled by internal pull-up when floating. |+| 4 | COMP | output | Error amplifier output connected to external compensation network; sets loop response and stability characteristics of the voltage feedback control loop. |+| 5 | FB | input | Feedback input for output voltage regulation; direct connection to output sets 1.235V output voltage, external resistor divider with typical 4.7kΩ resistor to ground required for output voltages up to 35V. |+| 6 | VREF | power_out | 3.3V reference voltage output supplying internal circuitry; provides stable 3.234-3.366V output across 4.4-36V input range with no filter capacitor required for stability. |+| 7 | GND | power_in | Ground; common return path for all internal circuits and external connections. |+| 8 | VCC | power_in | Unregulated DC input voltage supply; accepts 4.4V to 36V input range for operation of internal voltage regulator and 1.5A internal P-DMOS power switch. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `L5970ADTR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `l5970adtr-etched.step` / `l5970adtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l5970adtr.step` / `l5970adtr.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/8588912459784589312) (11 pp, sha256 `cf023a59e3ab8e46`, retrieved 2026-09-23, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/l5970adtr-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "l5970adtr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "l5970adtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "l5970adtr.kicad_sym",+ "l5970adtr.kicad_mod",+ "l5970adtr.glb",+ "l5970adtr.step",+ "l5970adtr.lbr",+ "docs/hero.png",+ "docs/l5970adtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "L5970ADTR",+ "manufacturer": "STMicroelectronics",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912459784589312",+ "parts": {+ "symbol": "l5970adtr.kicad_sym",+ "footprint": "l5970adtr.kicad_mod",+ "model_3d": "l5970adtr-etched.glb",+ "model_3d_plain": "l5970adtr.glb",+ "model_3d_step": "l5970adtr-etched.step",+ "model_3d_step_plain": "l5970adtr.step",+ "lbr": "l5970adtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C500656"+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated step-down converter output; delivers up to 1.5A DC current to load, output voltage adjustable from 1.235V to 35V depending on external feedback divider network."+ },+ {+ "number": "2",+ "name": "SYNC",+ "type": "bidirectional",+ "description": "Master/Slave synchronization pin; outputs signal synchronous with internal power turn-off at 500kHz when open, accepts external signal above 500kHz for device synchronization, acts as master or slave when connected with other devices."+ },+ {+ "number": "3",+ "name": "INH",+ "type": "input",+ "description": "Active-high inhibit control input; disables device when above 2.2V (OFF state), enables when below 0.8V (ON state), must be grounded if unused or will be disabled by internal pull-up when floating."+ },+ {+ "number": "4",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output connected to external compensation network; sets loop response and stability characteristics of the voltage feedback control loop."+ },+ {+ "number": "5",+ "name": "FB",+ "type": "input",+ "description": "Feedback input for output voltage regulation; direct connection to output sets 1.235V output voltage, external resistor divider with typical 4.7kΩ resistor to ground required for output voltages up to 35V."+ },+ {+ "number": "6",+ "name": "VREF",+ "type": "power_out",+ "description": "3.3V reference voltage output supplying internal circuitry; provides stable 3.234-3.366V output across 4.4-36V input range with no filter capacitor required for stability."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground; common return path for all internal circuits and external connections."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "Unregulated DC input voltage supply; accepts 4.4V to 36V input range for operation of internal voltage regulator and 1.5A internal P-DMOS power switch."+ }+ ],+ "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-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 11,+ "cost_usd": 0.121,+ "at": "2026-09-23T01:24:38"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912459784589312",+ "pages": 11,+ "sha256": "cf023a59e3ab8e46",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "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]"+ }+}