component
EG4319
Public Made by Adomby adom
EG Micro Battery Management, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457
{
"schema_version": 1,
"type": "component",
"slug": "eg4319",
"title": "EG4319",
"brief": "EG Micro Battery Management, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"eg4319",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "EG4319",
"manufacturer": "EG Micro",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882531730509824",
"parts": {
"symbol": "eg4319.kicad_sym",
"footprint": "eg4319.kicad_mod",
"model_3d": "eg4319-hero.glb",
"model_3d_plain": "eg4319-etched.glb",
"model_3d_step": "eg4319-etched.step",
"model_3d_step_plain": "eg4319.step",
"lbr": "eg4319.lbr"
},
"distributor_links": {
"lcsc": "C81698"
},
"distributor_check": {
"checked_at": "2026-10-17T23:02:21Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VCC",
"type": "power_in",
"description": "Supply input with an operating range of 3.5 V to 18 V, and a absolute maximum VCC rating of 20 V."
},
{
"number": "2",
"name": "LED_G",
"type": "output",
"description": "Green LED indicator output for the float/charge-complete state, able to drive up to 20 mA per section 8.7."
},
{
"number": "3",
"name": "LED_Red",
"type": "output",
"description": "Red LED indicator output for charge-in-progress, able to drive up to 300 mA per section 8.7."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "5",
"name": "Isense",
"type": "input",
"description": "Constant-current sense input whose internal reference is 140 mV for EG4319, with Rsense = 140 mV / Ilimit."
},
{
"number": "6",
"name": "Vf",
"type": "output",
"description": "Float-voltage control output with a 20 mV internal reference for EG4319; it is pulled to GND in the constant-voltage stage and left open in the float stage."
},
{
"number": "7",
"name": "Vctrl",
"type": "input",
"description": "Output-voltage sense input referenced to an internal 2.5 V reference (VREF 2.475 V to 2.525 V)."
},
{
"number": "8",
"name": "Vout",
"type": "output",
"description": "Output control pin that can only sink current, with an output withstand rating of 20 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet covers the EG4318/EG4319/EG4320 family and lists both DIP8 (section 9.1) and SO8 (sect; Pin 1 description and pin 8 description include the 20 V limit from the absolute maximum table (page; Pin 2 and pin 3 LED drive capabilities are stated in section 8.7 for the EG4318/EG4319 family and ar"
],
"pages_sent": 19,
"cost_usd": 0.0716,
"at": "2026-10-17T23:00:39"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882531730509824",
"pages": 19,
"sha256": "5ec5ec9aca410e78",
"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"
},
"models_3d": [
{
"file": "eg4319.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "eg4319-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "975e8aab671d7c5124c98fe586d710477bb6b5cd8916d5d6b72bbf3f74800600",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "EG Micro",
"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "5ec5ec9aca410e781f3ebe36203591ba1a1d5886bfb3fef160afda92339f0ca7",
"rows": [
{
"name": "电源电压 (VCC absolute maximum, supply voltage)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "输入电压 (input voltage)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "输出端耐压 (output pin voltage rating)",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "结温 (junction temperature)",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "工作温度范围 (operating temperature range)",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -45,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "储存温度 (storage temperature)",
"symbol": "Tstr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "焊接温度 (soldering temperature)",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "T=5S",
"source_page": 11,
"source": "datasheet"
},
{
"name": "热阻 (thermal resistance)",
"symbol": "QJC",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 92,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "电源 (supply voltage operating range)",
"symbol": "Vcc",
"kind": "electrical",
"unit": "V",
"min": 3.5,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "静态电流 (quiescent current)",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.6,
"max": 2,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "跨导增益(VCTRL) 仅吸收电流 (transconductance, sink only)",
"symbol": "Gmv",
"kind": "electrical",
"unit": "mA/mV",
"min": 1,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "电压环内部基准电压 (voltage loop internal reference)",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 2.475,
"typ": 2.5,
"max": 2.525,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "跨导增益(ICTRL) (transconductance, current loop)",
"symbol": "Gmi",
"kind": "electrical",
"unit": "mA/mV",
"min": 2,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "电流环内部基准电压 ISENSE (For EG4319,EG4320)",
"symbol": "ISENSE",
"kind": "electrical",
"unit": "mV",
"min": 135,
"typ": 140,
"max": 145,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "输入偏置电流(ICTRL) (input bias current, current loop)",
"symbol": "IIBI",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0.4,
"max": 1,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "浮充比较器基准电压 (float comparator reference, EG4319)",
"symbol": "VFCTR",
"kind": "electrical",
"unit": "mV",
"min": 18,
"typ": 20,
"max": 22,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "输出脚低电平(2 脚,8 脚) (output low level, pins 2 and 8)",
"symbol": "VOL1",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.9,
"max": 1.2,
"conditions": "Isink=10mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "输出脚低电平(3 脚) (output low level, pin 3)",
"symbol": "VOL3",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.8,
"max": 1,
"conditions": "Isink=200mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "输出脚低电平(6 脚) (output low level, pin 6)",
"symbol": "VOL2",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.1,
"max": 0.2,
"conditions": "Isink=2mA",
"source_page": 12,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"eg4319"
],
"discovery_pitch": "EG4319 (EG Micro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"eg4319.kicad_sym",
"eg4319.kicad_mod",
"eg4319.glb",
"eg4319.step",
"eg4319.lbr",
"docs/hero.png",
"docs/eg4319-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"eg4319-hero.glb",
"eg4319-hero.overlay.json",
"eg4319-etched.glb"
],
"visibility": {
"public": true
}
}