component
EA3056QDR
Public Made by Adomby adom
Everanalog IC design DC-DC Converters, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294
{
"slug": "ea3056qdr",
"version": "0.1.0",
"type": "component",
"description": "Everanalog IC design DC-DC Converters, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"ea3056qdr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ea3056qdr.kicad_sym",
"ea3056qdr.kicad_mod",
"ea3056qdr.glb",
"ea3056qdr.step",
"ea3056qdr.lbr",
"docs/hero.png",
"docs/ea3056qdr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ea3056qdr-hero.glb",
"ea3056qdr-hero.overlay.json",
"ea3056qdr-etched.glb"
],
"component": {
"mpn": "EA3056QDR",
"manufacturer": "Everanalog IC design",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913563088138240",
"parts": {
"symbol": "ea3056qdr.kicad_sym",
"footprint": "ea3056qdr.kicad_mod",
"model_3d": "ea3056qdr-hero.glb",
"model_3d_plain": "ea3056qdr-etched.glb",
"model_3d_step": "ea3056qdr-etched.step",
"model_3d_step_plain": "ea3056qdr.step",
"lbr": "ea3056qdr.lbr"
},
"distributor_links": {
"lcsc": "C575411"
},
"distributor_check": {
"checked_at": "2026-10-18T16:06:33Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "LDO_G",
"type": "power_in",
"description": "Ground pin of the LDO."
},
{
"number": "2",
"name": "LDO_FB",
"type": "input",
"description": "Feedback input of the LDO; connect to LDO_O with a resistor divider."
},
{
"number": "3",
"name": "VCC",
"type": "power_in",
"description": "Input supply pin for the internal control circuit; recommended range 2.7V to 5.5V."
},
{
"number": "4",
"name": "AGND",
"type": "power_in",
"description": "Analog ground pin."
},
{
"number": "5",
"name": "FB2",
"type": "input",
"description": "Feedback input of CH2; connect to the output voltage with a resistor divider."
},
{
"number": "6",
"name": "PGND2",
"type": "power_in",
"description": "Power ground pin of CH2."
},
{
"number": "7",
"name": "LX2",
"type": "output",
"description": "Internal MOSFET switching output of CH2; connect to a low-pass filter (inductor and output capacitor) to obtain a stable DC output."
},
{
"number": "8",
"name": "VIN2",
"type": "power_in",
"description": "Power input pin of CH2; recommended 4.7uF MLCC between VIN2 and PGND2. Input range 2.7V to 5.5V."
},
{
"number": "9",
"name": "EN2",
"type": "input",
"description": "CH2 on/off control input; must not be left floating."
},
{
"number": "10",
"name": "EN1",
"type": "input",
"description": "CH1 on/off control input; must not be left floating."
},
{
"number": "11",
"name": "VIN1",
"type": "power_in",
"description": "Power input pin of CH1; recommended two 10uF MLCC capacitors between VIN1 and PGND1. Input range 2.7V to 5.5V."
},
{
"number": "12",
"name": "LX1",
"type": "output",
"description": "Internal MOSFET switching output of CH1; connect to a low-pass filter (inductor and output capacitor) to obtain a stable DC output."
},
{
"number": "13",
"name": "PGND1",
"type": "power_in",
"description": "Power ground pin of CH1."
},
{
"number": "14",
"name": "FB1",
"type": "input",
"description": "Feedback input of CH1; connect to the output voltage with a resistor divider."
},
{
"number": "15",
"name": "SDA",
"type": "bidirectional",
"description": "I2C interface data pin."
},
{
"number": "16",
"name": "SCL",
"type": "input",
"description": "I2C interface clock pin."
},
{
"number": "17",
"name": "FB3",
"type": "input",
"description": "Feedback input of CH3; connect to the output voltage with a resistor divider."
},
{
"number": "18",
"name": "PGND3",
"type": "power_in",
"description": "Power ground pin of CH3."
},
{
"number": "19",
"name": "LX3",
"type": "output",
"description": "Internal MOSFET switching output of CH3; connect to a low-pass filter (inductor and output capacitor) to obtain a stable DC output."
},
{
"number": "20",
"name": "VIN3",
"type": "power_in",
"description": "Power input pin of CH3; recommended 10uF MLCC between VIN3 and PGND3. Input range 2.7V to 5.5V."
},
{
"number": "21",
"name": "EN3",
"type": "input",
"description": "CH3 on/off control input (the datasheet pin description says CH4, which appears to be a typo); must not be left floating."
},
{
"number": "22",
"name": "LDO_EN",
"type": "input",
"description": "LDO on/off control input; must not be left floating."
},
{
"number": "23",
"name": "LDO_I",
"type": "power_in",
"description": "Power input pin of the LDO; recommended 1uF MLCC between LDO_I and LDO_G. Input range 2.7V to 5.5V."
},
{
"number": "24",
"name": "LDO_O",
"type": "output",
"description": "Output pin of the LDO; LDO output is set through LDO_FB with a resistor divider."
},
{
"number": "25",
"name": "Exposed Pad",
"type": "power_in",
"description": "Exposed pad must be soldered to a large PCB copper plane and connected to GND for appropriate dissipation."
}
],
"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: Pin 21 is named EN3, but its description in the datasheet says 'CH4 turns on/turns off control input; The exposed pad is listed in the datasheet pin table as pin 25 and is not a numbered lead. It is typ; The pin-number-to-name mapping was taken from the Pin Description tables on pages 2 and 3, which are"
],
"pages_sent": 19,
"cost_usd": 0.0873,
"at": "2026-10-18T16:04:46"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913563088138240",
"pages": 19,
"sha256": "360806e4997db3dc",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ea3056qdr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ea3056qdr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "955dfede864d6a5cc075c86cf2d76fb5d549dbe3ab9b46275eb2c01f8ae5bf70",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}