component
BL7121AH
Public Made by Adomby adom
BL Shanghai Belling Digital Isolators, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+116−8@@ -1,13 +1,126 @@ {+ "schema_version": 1,+ "type": "component", "slug": "bl7121ah",+ "title": "BL7121AH",+ "brief": "BL Shanghai Belling Digital Isolators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "BL Shanghai Belling Digital Isolators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "comm-uart", "bl7121ah" ],+ "component": {+ "mpn": "BL7121AH",+ "manufacturer": "BL Shanghai Belling",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Comm/UART",+ "subcategory": "Digital Isolators",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2309271714_BL-Shanghai-Belling-BL7121AH_C7436522.pdf",+ "parts": {+ "symbol": "bl7121ah.kicad_sym",+ "footprint": "bl7121ah.kicad_mod",+ "model_3d": "bl7121ah.glb",+ "model_3d_step": "bl7121ah.step",+ "lbr": "bl7121ah.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VDD1",+ "type": "power_in",+ "description": "Side 1 power supply, 2.5 V to 5.5 V (recommended). Requires a 0.1 uF bypass capacitor to GND1 close to the pin. Absolute max 6 V."+ },+ {+ "number": "2",+ "name": "VOA",+ "type": "output",+ "description": "Channel A digital output on side 1 (reverse channel). Referenced to VDD1/GND1. Drives IOH up to -4 mA / IOL up to 4 mA at 5 V supply. Default state is HIGH (AH suffix) when input power or signal is lost."+ },+ {+ "number": "3",+ "name": "VIB",+ "type": "input",+ "description": "Channel B digital input on side 1 (forward channel). Referenced to VDD1/GND1. VIH >= 0.7*VDD1, VIL <= 0.25*VDD1. High-Z if left open (output goes to default HIGH state)."+ },+ {+ "number": "4",+ "name": "GND1",+ "type": "power_in",+ "description": "Ground reference for side 1 (VDD1 domain). Isolated from GND2 by the SiO2 capacitive barrier (up to 3750 VRMS working isolation)."+ },+ {+ "number": "5",+ "name": "GND2",+ "type": "power_in",+ "description": "Ground reference for side 2 (VDD2 domain). Isolated from GND1 by the SiO2 capacitive barrier."+ },+ {+ "number": "6",+ "name": "VOB",+ "type": "output",+ "description": "Channel B digital output on side 2 (forward channel). Referenced to VDD2/GND2. Drives IOH up to -4 mA / IOL up to 4 mA at 5 V supply. Default state is HIGH (AH suffix) when input power or signal is lost."+ },+ {+ "number": "7",+ "name": "VIA",+ "type": "input",+ "description": "Channel A digital input on side 2 (reverse channel). Referenced to VDD2/GND2. VIH >= 0.7*VDD2, VIL <= 0.25*VDD2. High-Z if left open (output goes to default HIGH state)."+ },+ {+ "number": "8",+ "name": "VDD2",+ "type": "power_in",+ "description": "Side 2 power supply, 2.5 V to 5.5 V (recommended). Requires a 0.1 uF bypass capacitor to GND2 close to the pin. Absolute max 6 V."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2309271714_BL-Shanghai-Belling-BL7121AH_C7436522.pdf",+ "pages": 13,+ "sha256": "b22900b73aef2795",+ "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"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "BL Shanghai Belling",+ "Package": "SOIC-8",+ "Category": "Comm/UART",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "bl7121ah"+ ],+ "discovery_pitch": "BL7121AH (BL Shanghai Belling) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/bl7121ah-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }