component
FS4054A
Public Made by Adomby adom
FOSAN Battery Management, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+98−8@@ -1,13 +1,108 @@ {+ "schema_version": 1,+ "type": "component", "slug": "fs4054a",+ "title": "FS4054A",+ "brief": "FOSAN Battery Management, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "FOSAN Battery Management, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "fs4054a" ],+ "component": {+ "mpn": "FS4054A",+ "manufacturer": "FOSAN",+ "package": "SOT-23-5L",+ "pin_count": 5,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121800_FOSAN-FS4054A_C2936840.pdf",+ "parts": {+ "symbol": "fs4054a.kicad_sym",+ "footprint": "fs4054a.kicad_mod",+ "model_3d": "fs4054a.glb",+ "model_3d_step": "fs4054a.step",+ "lbr": "fs4054a.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain charge status indicator. Pulls low (sinks current, typically driving an LED to VCC through a series resistor such as 330 \u03a9) while charging is in progress; goes to high impedance when charging terminates (C/10) or the part is in shutdown/standby. Absolute max voltage 7 V."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground reference for all internal circuitry and the external PROG resistor return."+ },+ {+ "number": "3",+ "name": "BAT",+ "type": "power_out",+ "description": "Charge current output to the single-cell Li-ion battery. Regulates to the 4.2 V float voltage in CV mode and delivers up to 500 mA in CC mode. Sources <=2 uA leakage from the battery when VCC is removed. Absolute max 7 V; continuous short-circuit safe. Typically decoupled with ~10 uF to GND."+ },+ {+ "number": "4",+ "name": "VCC",+ "type": "power_in",+ "description": "Input supply, 4.5-5.5 V nominal (absolute max 7 V), commonly driven from a USB port or 5 V DC adapter. Undervoltage lockout threshold ~3.4 V; supply current is typically 170 uA during charge and <=25 uA in standby. Decouple with ~1 uF to GND."+ },+ {+ "number": "5",+ "name": "PROG",+ "type": "input",+ "description": "Charge current programming pin. Connect a resistor R_PROG from PROG to GND to set the constant-current charge level per I_BAT (mA) = 1000 / R_PROG (k\u03a9); e.g. 2 k\u03a9 \u2192 500 mA, 10 k\u03a9 \u2192 100 mA. Servos to ~1.03 V in CC mode; can also be used to monitor the actual charge current. Absolute max VCC+0.3 V, 800 uA."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121800_FOSAN-FS4054A_C2936840.pdf",+ "pages": 5,+ "sha256": "42d795be437a7d9c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "FOSAN",+ "Package": "SOT-23-5L",+ "Category": "PMIC",+ "Pins": "5"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "fs4054a"+ ],+ "discovery_pitch": "FS4054A (FOSAN) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +120,5 @@ "docs/fs4054a-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }