component
EG4328
Public Made by Adomby adom
EG Micro Battery Management ICs, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "EG4328",
"brief": "EG Micro Battery Management ICs, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "EG4328",
"manufacturer": "EG Micro",
"package": "SOP-16",
"pin_count": 16,
"category": "Power Management ICs",
"subcategory": "Battery Management ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0dfe33ef184626f6c5bbca67f5a4a907.pdf",
"parts": {
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"lbr": "eg4328.lbr"
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"distributor_links": {
"lcsc": "C481165"
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"distributor_check": {
"checked_at": "2026-10-23T03:35:01Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
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},
"pins": [
{
"number": "1",
"name": "VREF",
"type": "power_out",
"description": "2.5V reference (±1%, 2.475-2.525V at VCC=5V, max 1mA output) with an external 0.1uF capacitor, used as the internal ADC reference."
},
{
"number": "2",
"name": "AD0",
"type": "input",
"description": "ADC input channel 0 of the 8-channel 10-bit ADC."
},
{
"number": "3",
"name": "AD5",
"type": "input",
"description": "ADC input channel 5 of the 8-channel 10-bit ADC."
},
{
"number": "4",
"name": "VFB1",
"type": "input",
"description": "Voltage feedback input 1, with a configurable voltage-loop reference of 1.05V to 1.425V."
},
{
"number": "5",
"name": "IAPO",
"type": "output",
"description": "Current signal amplifier output, with an external 0.1uF capacitor."
},
{
"number": "6",
"name": "IFB",
"type": "input",
"description": "Current feedback input, with a configurable internal reference of 1mV to 112mV."
},
{
"number": "7",
"name": "SCL",
"type": "bidirectional",
"description": "I2C clock line (slave mode, up to 100kbps); a falling edge wakes the chip from sleep."
},
{
"number": "8",
"name": "SDA",
"type": "bidirectional",
"description": "I2C data line (slave mode, write address 0xB4, read address 0xB5)."
},
{
"number": "9",
"name": "VFB2",
"type": "input",
"description": "Voltage feedback input 2, with a configurable reference of 1.05V to 1.272V."
},
{
"number": "10",
"name": "VOUT",
"type": "output",
"description": "Voltage and current error amplifier output (VOL max 0.5V at 5mA sink)."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Chip ground."
},
{
"number": "12",
"name": "VCC",
"type": "power_in",
"description": "Chip supply pin, 2.5V to 5.5V operating (absolute maximum 6V)."
},
{
"number": "13",
"name": "LED4",
"type": "output",
"description": "Battery level indicator LED4 output with adjustable constant current (0.4mA to 5.88mA)."
},
{
"number": "14",
"name": "LED3",
"type": "output",
"description": "Battery level indicator LED3 output with adjustable constant current (0.4mA to 5.88mA)."
},
{
"number": "15",
"name": "LED2",
"type": "output",
"description": "Battery level indicator LED2 output with adjustable constant current (0.4mA to 5.88mA)."
},
{
"number": "16",
"name": "LED1",
"type": "output",
"description": "Battery level indicator LED1 output with adjustable constant current (0.4mA to 5.88mA)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin table (page 6) was used. The pin figure on page 5 has scrambled text, so it can't be compare; The datasheet table gives pin 1 VREF only as 'Power'. I classed it as power_out because it is a 2.5V; Register 0x09 describes LEDCTL bits as controlling LED2 to LED5, but the package has only LED1 to LE"
],
"pages_sent": 18,
"cost_usd": 0.1343,
"at": "2026-10-23T03:34:44"
},
"datasheet": {
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"pages": 18,
"sha256": "a2b8f46853512855",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
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},
"metadata": {
"specs": {
"Manufacturer": "EG Micro",
"Package": "SOP-16",
"Category": "Power Management ICs",
"Pins": "16"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Supply voltage",
"symbol": "Vcc",
"kind": "electrical",
"unit": "V",
"min": 2.5,
"typ": 5,
"max": 5.5,
"conditions": "TA=25℃",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Operating current",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.48,
"max": 1,
"conditions": "",
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},
{
"name": "Sleep current",
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"unit": "uA",
"min": null,
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"conditions": "Slp_en=0",
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{
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"source_page": 9,
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},
{
"name": "Line regulation",
"symbol": "ΔVREF",
"kind": "electrical",
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"min": null,
"typ": 10,
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"source_page": 9,
"source": "datasheet"
},
{
"name": "Load regulation",
"symbol": "ΔVREF",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 20,
"max": 50,
"conditions": "IL=0 to 1mA",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Maximum output current",
"symbol": "IO",
"kind": "electrical",
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"min": null,
"typ": null,
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},
{
"name": "Output low level (pin 10)",
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"min": null,
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"max": 0.5,
"conditions": "Isink=5mA",
"source_page": 9,
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},
{
"name": "Input offset voltage",
"symbol": "VOS",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 2,
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"conditions": "VCC=5V",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Input bias current",
"symbol": "Ib",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 9,
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{
"name": "Input offset current",
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"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 9,
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},
{
"name": "Open-loop gain",
"symbol": "AVOL",
"kind": "electrical",
"unit": "dB",
"min": 60,
"typ": 75,
"max": null,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Output low level",
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"unit": "V",
"min": null,
"typ": 0.2,
"max": 0.5,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Output high level",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 3.8,
"typ": 4.7,
"max": null,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Common-mode rejection ratio",
"symbol": "CMRR",
"kind": "electrical",
"unit": "dB",
"min": 60,
"typ": 75,
"max": null,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Power supply rejection ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": 50,
"typ": 60,
"max": null,
"conditions": "",
"source_page": 9,
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},
{
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"min": null,
"typ": null,
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"conditions": "TA=25℃",
"source_page": 8,
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},
{
"name": "Input/output voltage",
"symbol": "All",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "TA=25℃",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Junction temperature",
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"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
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"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Ambient temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -45,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Soldering temperature",
"symbol": "TL",
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"unit": "℃",
"min": null,
"typ": null,
"max": 300,
"conditions": "T=10S",
"source_page": 8,
"source": "datasheet"
}
]
}
},
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"discovery_pitch": "EG4328 (EG Micro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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