component
XL7555
Public Made by Adomby adom
XINLUDA Timers / Counters, SOP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# XL7555++**XINLUDA** · Timers / Counters · SOP-8++XL7555 from XINLUDA, in a SOP-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 | GND | power_in | Ground reference; connect to system ground (0V). |+| 2 | TRIGGER | input | Active-low trigger input; sets output HIGH when voltage falls below 1/3 VDD; input current ≤10nA typ, 50nA max at VDD=15V. |+| 3 | OUTPUT | output | CMOS push-pull output swinging rail-to-rail; VOL ≤1.0V at ISINK=20mA (VDD=15V), VOH ≥14.3V at ISOURCE=0.8mA (VDD=15V); absolute maximum output current 100mA. |+| 4 | RESET | input | Active-low reset input; forces output and discharge switch low when pulled below 0.4-1.0V (VDD=2V-15V); input current ≤10nA typ, 50nA max at VDD=15V. |+| 5 | CONTROL_VOLTAGE | input | Analog input that overrides the upper comparator threshold; nominally 67% VDD (62-71% VDD at VDD=15V); may be left open in CMOS applications without decoupling capacitor. |+| 6 | THRESHOLD | input | Upper comparator input; resets output LOW and turns on discharge switch when voltage exceeds 2/3 VDD; input current ≤10nA typ, 50nA max at VDD=15V. |+| 7 | DISCHARGE | output | Open-drain switch to GND for discharging external timing capacitor; leakage ≤10nA typ, 50nA max (VDD=15V); VDIS ≤0.4V at ISINK=15mA (VDD=15V). |+| 8 | VDD | power_in | Positive supply voltage; operating range 2V to 18V; quiescent current 60µA typ (300µA max) at VDD=15V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XINLUDA |+| Package | SOP-8 |+| Category | Clock/Timing |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `XL7555`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)+- 3D model files: `xl7555-etched.step` / `xl7555-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xl7555.step` / `xl7555.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [XINLUDA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906462759800832) (14 pp, sha256 `47dfca0aee906e0c`, retrieved 2026-09-29, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/xl7555-datasheet.pdf)
page.jsonadded+140@@ -0,0 +1,140 @@+{+ "slug": "xl7555",+ "version": "0.1.0",+ "type": "component",+ "description": "XINLUDA Timers / Counters, SOP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "clock-timing",+ "xl7555",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "xl7555.kicad_sym",+ "xl7555.kicad_mod",+ "xl7555.glb",+ "xl7555.step",+ "xl7555.lbr",+ "docs/hero.png",+ "docs/xl7555-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "XL7555",+ "manufacturer": "XINLUDA",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Clock/Timing",+ "subcategory": "Timers / Counters",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906462759800832",+ "parts": {+ "symbol": "xl7555.kicad_sym",+ "footprint": "xl7555.kicad_mod",+ "model_3d": "xl7555-etched.glb",+ "model_3d_plain": "xl7555.glb",+ "model_3d_step": "xl7555-etched.step",+ "model_3d_step_plain": "xl7555.step",+ "lbr": "xl7555.lbr"+ },+ "distributor_links": {+ "lcsc": "C521187"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T16:57:58Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference; connect to system ground (0V)."+ },+ {+ "number": "2",+ "name": "TRIGGER",+ "type": "input",+ "description": "Active-low trigger input; sets output HIGH when voltage falls below 1/3 VDD; input current ≤10nA typ, 50nA max at VDD=15V."+ },+ {+ "number": "3",+ "name": "OUTPUT",+ "type": "output",+ "description": "CMOS push-pull output swinging rail-to-rail; VOL ≤1.0V at ISINK=20mA (VDD=15V), VOH ≥14.3V at ISOURCE=0.8mA (VDD=15V); absolute maximum output current 100mA."+ },+ {+ "number": "4",+ "name": "RESET",+ "type": "input",+ "description": "Active-low reset input; forces output and discharge switch low when pulled below 0.4-1.0V (VDD=2V-15V); input current ≤10nA typ, 50nA max at VDD=15V."+ },+ {+ "number": "5",+ "name": "CONTROL_VOLTAGE",+ "type": "input",+ "description": "Analog input that overrides the upper comparator threshold; nominally 67% VDD (62-71% VDD at VDD=15V); may be left open in CMOS applications without decoupling capacitor."+ },+ {+ "number": "6",+ "name": "THRESHOLD",+ "type": "input",+ "description": "Upper comparator input; resets output LOW and turns on discharge switch when voltage exceeds 2/3 VDD; input current ≤10nA typ, 50nA max at VDD=15V."+ },+ {+ "number": "7",+ "name": "DISCHARGE",+ "type": "output",+ "description": "Open-drain switch to GND for discharging external timing capacitor; leakage ≤10nA typ, 50nA max (VDD=15V); VDIS ≤0.4V at ISINK=15mA (VDD=15V)."+ },+ {+ "number": "8",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply voltage; operating range 2V to 18V; quiescent current 60µA typ (300µA max) at VDD=15V."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906462759800832",+ "pages": 14,+ "sha256": "47dfca0aee906e0c",+ "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]"+ }+}