component
PJ4054B
Public Made by Adomby adom
PJSEMI Battery Management, SOT-23-5. 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": "pj4054b",+ "title": "PJ4054B",+ "brief": "PJSEMI Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "PJSEMI Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "pj4054b" ],+ "component": {+ "mpn": "PJ4054B",+ "manufacturer": "PJSEMI",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2110272230_PJSEMI-PJ4054B_C2911335.pdf",+ "parts": {+ "symbol": "pj4054b.kicad_sym",+ "footprint": "pj4054b.kicad_mod",+ "model_3d": "pj4054b.glb",+ "model_3d_step": "pj4054b.step",+ "lbr": "pj4054b.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain charge-status output. Pulled low by an internal N-channel MOSFET while battery charging is in progress (VCHRG(low) <= 0.6V at ICHRG = 5mA). Goes high-impedance when the charge cycle terminates or when VCC is in undervoltage lockout. Typically drives an indicator LED to VIN through a series resistor (e.g. 1k)."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground reference."+ },+ {+ "number": "3",+ "name": "BAT",+ "type": "power_out",+ "description": "Charging current output to the lithium-ion battery. Regulates the final float voltage to 4.2V (typ, 4.158-4.242V) via a precise internal resistor divider that is disconnected in shutdown. Sourcing capability up to 500mA (typical) set by RPROG. Bypass with ~10uF ceramic capacitor to ground."+ },+ {+ "number": "4",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive input supply to the charger. Operating range 4.25V to 6.5V (absolute max VSS+7V); bypass with at least 1uF (typically 4.7uF) to GND. When VCC falls to within ~30mV of VBAT, or below the UVLO threshold (~3.8V), the part enters standby/stop mode and IBAT drops below ~2uA."+ },+ {+ "number": "5",+ "name": "PROG",+ "type": "bidirectional",+ "description": "Charge current programming, monitor, and manual-shutdown pin. Connect a 1% resistor RPROG from PROG to GND: IBAT = (VPROG/RPROG) * 1000 (e.g. 2kOhm -> 500mA, 10kOhm -> 100mA). Pin regulates to 1V (typ) in constant-current mode and can be measured as a current-monitor output. Leaving the resistor floating pulls the pin above the 1.21V (typ) shutdown threshold via an internal ~2.5uA (2uA typ) pull-up, forcing the charger into stop mode (ICC ~= 25uA)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2110272230_PJSEMI-PJ4054B_C2911335.pdf",+ "pages": 6,+ "sha256": "71f5fc869da0b682",+ "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": "PJSEMI",+ "Package": "SOT-23-5",+ "Category": "PMIC",+ "Pins": "5"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "pj4054b"+ ],+ "discovery_pitch": "PJ4054B (PJSEMI) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +120,5 @@ "docs/pj4054b-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }