component
FM4057E42
Public Made by Adomby adom
Shenzhen Fuman Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+122−8@@ -1,13 +1,132 @@ {+ "schema_version": 1,+ "type": "component", "slug": "fm4057e42",+ "title": "FM4057E42",+ "brief": "Shenzhen Fuman Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Shenzhen Fuman Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "fm4057e42" ],+ "component": {+ "mpn": "FM4057E42",+ "manufacturer": "Shenzhen Fuman",+ "package": "ESOP-8",+ "pin_count": 9,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/04a05299c1f84746150fc6c519232486.pdf",+ "parts": {+ "symbol": "fm4057e42.kicad_sym",+ "footprint": "fm4057e42.kicad_mod",+ "model_3d": "fm4057e42.glb",+ "model_3d_step": "fm4057e42.step",+ "lbr": "fm4057e42.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection. Leave floating or tie to GND."+ },+ {+ "number": "2",+ "name": "ISET",+ "type": "input",+ "description": "Charge-current programming input. An external resistor from ISET to GND sets the constant-current charge level (typ. 1.0A at 3k\u03a9, 0.6A at 5k\u03a9, 0.5A at 6k\u03a9). Also sets precharge (~60mA at 5k\u03a9) and termination (~60mA at 5k\u03a9) thresholds."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground / analog reference for VIN, BAT, ISET, and the LED status outputs."+ },+ {+ "number": "4",+ "name": "VIN",+ "type": "power_in",+ "description": "Charger input supply. Recommended operating range 4.2V-6.5V (typ. 5V); withstands up to 32V. Internal VIN OVP trips at 6.5V (0.5V hysteresis) and UVLO at 4.6V rising / 4.2V falling. Bypass with \u22654.7\u00b5F (a 1\u00b5F may be used per app circuit)."+ },+ {+ "number": "5",+ "name": "BAT",+ "type": "power_out",+ "description": "Battery connection to the single-cell Li-ion pack. E42 regulates to 4.2V (V_BAT_FULL = 4.158/4.2/4.242V). Recharge threshold ~4.05V, battery OVP at 104%\u00b7V_BAT. Requires ~10\u00b5F bypass capacitor to GND."+ },+ {+ "number": "6",+ "name": "DONE",+ "type": "output",+ "description": "Open-drain charge-complete status indicator. Sinks current through an external LED (to VIN via limit resistor): LED is off during charging and turns on solid when charging is complete."+ },+ {+ "number": "7",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain charging status indicator. Sinks current through an external LED (to VIN via limit resistor): LED is on while charging and turns off when charging completes."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection. Leave floating or tie to GND."+ },+ {+ "number": "9",+ "name": "EPAD",+ "type": "power_in",+ "description": "Exposed thermal pad on package underside. Must be soldered to the PCB ground plane for the specified thermal performance; electrically connected to GND (\u6563\u70ed\u5730)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/04a05299c1f84746150fc6c519232486.pdf",+ "pages": 14,+ "sha256": "bfc23830eabbc3b5",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 9,+ "described": 9,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Shenzhen Fuman",+ "Package": "ESOP-8",+ "Category": "PMIC",+ "Pins": "9"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "fm4057e42"+ ],+ "discovery_pitch": "FM4057E42 (Shenzhen Fuman) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +144,5 @@ "docs/fm4057e42-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }