component
IP2312-4V35
Public Made by Adomby adom
INJOINIC DC-DC Converters, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+11−8@@ -38,7 +38,7 @@ "number": "2", "name": "TEST", "type": "passive",- "description": "Test pin. Connect through a 1k\u03a9 resistor to the battery positive terminal (VBAT)."+ "description": "Test pin. Connect through a 1kΩ resistor to the battery positive terminal (VBAT)." }, { "number": "3",@@ -50,37 +50,37 @@ "number": "4", "name": "NTC", "type": "input",- "description": "NTC temperature-protection input. Sources 20 \u03bcA out to an external NTC thermistor to ground; internal comparators trip at VH=0.56V (over-temp), VM=0.60V (warn, reduces current by half), and VL=1.32V (under-temp). Connect a 51k\u03a9 resistor to GND if unused (do not float)."+ "description": "NTC temperature-protection input. Sources 20 μA out to an external NTC thermistor to ground; internal comparators trip at VH=0.56V (over-temp), VM=0.60V (warn, reduces current by half), and VL=1.32V (under-temp). Connect a 51kΩ resistor to GND if unused (do not float)." }, { "number": "5", "name": "BAT", "type": "power_out",- "description": "Battery positive-terminal connection. Buck-converter output to the Li-ion cell; charge termination voltage 4.35V (-4V35 variant), up to 3A charge current. Absolute max 6.5V (9V for <10 \u03bcs)."+ "description": "Battery positive-terminal connection. Buck-converter output to the Li-ion cell; charge termination voltage 4.35V (-4V35 variant), up to 3A charge current. Absolute max 6.5V (9V for <10 μs)." }, { "number": "6", "name": "ICHG", "type": "passive",- "description": "Charge-current setting pin. External resistor RICHG to GND programs the constant-current charge level: ICC = 135000 / RICHG (e.g. 135k\u03a9\u21921A, 91k\u03a9\u21921.5A, 45k\u03a9\u21923A). Max useful RICHG = 170k\u03a9; leaving NC defaults to 2.1A."+ "description": "Charge-current setting pin. External resistor RICHG to GND programs the constant-current charge level: ICC = 135000 / RICHG (e.g. 135kΩ→1A, 91kΩ→1.5A, 45kΩ→3A). Max useful RICHG = 170kΩ; leaving NC defaults to 2.1A." }, { "number": "7", "name": "SW", "type": "output",- "description": "DC-DC switching node. Connects to the external buck inductor (typ. 1 \u03bcH). Absolute max 6.5V (9V for <10 \u03bcs) with integrated PMOS (35 m\u03a9) and NMOS (30 m\u03a9) power switches operating at 750 kHz."+ "description": "DC-DC switching node. Connects to the external buck inductor (typ. 1 μH). Absolute max 6.5V (9V for <10 μs) with integrated PMOS (35 mΩ) and NMOS (30 mΩ) power switches operating at 750 kHz." }, { "number": "8", "name": "VIN", "type": "power_in",- "description": "5V charge input from adapter/USB. Recommended 4.5-5.5V, absolute max 6.5V (9V for <10 \u03bcs). Integrated UVLO at 4.5V and OVP at 5.6V; input current auto-adjusts to keep adapter from collapsing."+ "description": "5V charge input from adapter/USB. Recommended 4.5-5.5V, absolute max 6.5V (9V for <10 μs). Integrated UVLO at 4.5V and OVP at 5.6V; input current auto-adjusts to keep adapter from collapsing." }, { "number": "9", "name": "EPAD", "type": "power_in",- "description": "Exposed thermal pad on package underside. Ground (GND) connection; must be soldered to the PCB ground plane for thermal dissipation (\u03b8JA = 60 \u00b0C/W)."+ "description": "Exposed thermal pad on package underside. Ground (GND) connection; must be soldered to the PCB ground plane for thermal dissipation (θJA = 60 °C/W)." } ], "provenance": {@@ -144,5 +144,8 @@ "docs/ip2312-4v35-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }