component
LM2597MX-ADJ
Public Made by Adomby adom
Texas Instruments 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 @@+# LM2597MX-ADJ++**Texas Instruments** · DC-DC Converters · SOIC-8++LM2597MX-ADJ from Texas Instruments, in a SOIC-8. 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 | Error Flag | output | Open-collector output that goes low when the regulated output drops more than 5% below nominal, and stays low until VOUT reaches 95% of nominal plus the Delay pin capacitor time, so it can reset a microprocessor at power-up. |+| 2 | Delay | output | Provides an adjustable power-up delay, set by an external capacitor, between VOUT reaching 95% of nominal and the Error Flag going high, and the pin voltage is limited to 1.5 V maximum. |+| 3 | Bias Supply | input | Allows the internal circuitry to be powered from the regulated output or an external supply instead of VIN for higher efficiency, with bias supply voltage limited to -0.3 V to 30 V. |+| 4 | Feedback | input | Senses the regulated output voltage to close the feedback loop, with the pin voltage limited to -0.3 V to 25 V. |+| 5 | Shutdown/Soft-Start | input | Dual-function pin where logic-level signals shut the regulator down (total input current about 80 µA), and a capacitor on this pin gives controlled soft-start; the pin input voltage is limited to 6 V maximum. |+| 6 | Ground | power_in | Circuit ground. |+| 7 | +VIN | power_in | Positive input supply for the switching regulator, requiring a suitable bypass capacitor; for the LM2597 the recommended supply is 4.5 V to 40 V with a 45 V absolute maximum. |+| 8 | Output | output | Internal switch output that swings between (+VIN - VSAT) and about -0.5 V at a duty cycle of VOUT/VIN, so its PCB copper area must be kept minimal to limit coupling to sensitive circuitry. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2597MX-ADJ`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lm2597mx-adj-etched.step` / `lm2597mx-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2597mx-adj.step` / `lm2597mx-adj.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/lm2597hv) (52 pp, sha256 `4c810080b3229f59`, 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/lm2597mx-adj-datasheet.pdf)
page.jsonadded+198@@ -0,0 +1,198 @@+{+ "slug": "lm2597mx-adj",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm2597mx-adj",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2597mx-adj.kicad_sym",+ "lm2597mx-adj.kicad_mod",+ "lm2597mx-adj.glb",+ "lm2597mx-adj.step",+ "lm2597mx-adj.lbr",+ "docs/hero.png",+ "docs/lm2597mx-adj-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm2597mx-adj-hero.glb",+ "lm2597mx-adj-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM2597MX-ADJ",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2597hv",+ "parts": {+ "symbol": "lm2597mx-adj.kicad_sym",+ "footprint": "lm2597mx-adj.kicad_mod",+ "model_3d": "lm2597mx-adj-hero.glb",+ "model_3d_plain": "lm2597mx-adj.glb",+ "model_3d_step": "lm2597mx-adj-etched.step",+ "model_3d_step_plain": "lm2597mx-adj.step",+ "lbr": "lm2597mx-adj.lbr"+ },+ "distributor_links": {+ "lcsc": "C206229"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T00:12:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "Error Flag",+ "type": "output",+ "description": "Open-collector output that goes low when the regulated output drops more than 5% below nominal, and stays low until VOUT reaches 95% of nominal plus the Delay pin capacitor time, so it can reset a microprocessor at power-up."+ },+ {+ "number": "2",+ "name": "Delay",+ "type": "output",+ "description": "Provides an adjustable power-up delay, set by an external capacitor, between VOUT reaching 95% of nominal and the Error Flag going high, and the pin voltage is limited to 1.5 V maximum."+ },+ {+ "number": "3",+ "name": "Bias Supply",+ "type": "input",+ "description": "Allows the internal circuitry to be powered from the regulated output or an external supply instead of VIN for higher efficiency, with bias supply voltage limited to -0.3 V to 30 V."+ },+ {+ "number": "4",+ "name": "Feedback",+ "type": "input",+ "description": "Senses the regulated output voltage to close the feedback loop, with the pin voltage limited to -0.3 V to 25 V."+ },+ {+ "number": "5",+ "name": "Shutdown/Soft-Start",+ "type": "input",+ "description": "Dual-function pin where logic-level signals shut the regulator down (total input current about 80 µA), and a capacitor on this pin gives controlled soft-start; the pin input voltage is limited to 6 V maximum."+ },+ {+ "number": "6",+ "name": "Ground",+ "type": "power_in",+ "description": "Circuit ground."+ },+ {+ "number": "7",+ "name": "+VIN",+ "type": "power_in",+ "description": "Positive input supply for the switching regulator, requiring a suitable bypass capacitor; for the LM2597 the recommended supply is 4.5 V to 40 V with a 45 V absolute maximum."+ },+ {+ "number": "8",+ "name": "Output",+ "type": "output",+ "description": "Internal switch output that swings between (+VIN - VSAT) and about -0.5 V at a duty cycle of VOUT/VIN, so its PCB copper area must be kept minimal to limit coupling to sensitive circuitry."+ }+ ],+ "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: Pin map is taken from the 8-pin SOIC (D) package drawing and pin table on page 3; the datasheet stat; Pin types were mapped to KiCad ERC classes: the datasheet labels +VIN as input (I), but it is the ma; Page 3 footnote states that if Shutdown/Soft-Start, Error Flag, Delay or Bias Supply are not used, t",+ "1/8 pin names appear NOWHERE in the datasheet text: ['6:Ground@p3']"+ ],+ "pages_sent": 10,+ "cost_usd": 0.068,+ "at": "2026-10-08T00:12:37"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2597hv",+ "pages": 52,+ "sha256": "4c810080b3229f59",+ "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"+ },+ "models_3d": [+ {+ "file": "lm2597mx-adj.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm2597mx-adj-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "2cfd35bcdf8e488702025c21c0384ec026529b34a5a430c206dfe9851e122299",+ "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]"+ }+}