component
LP3907SQ-TJXIP
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lp3907sq-tjxip",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments DC-DC Converters, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"lp3907sq-tjxip",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"lp3907sq-tjxip.kicad_sym",
"lp3907sq-tjxip.kicad_mod",
"lp3907sq-tjxip.glb",
"lp3907sq-tjxip.step",
"lp3907sq-tjxip.lbr",
"docs/hero.png",
"docs/lp3907sq-tjxip-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lp3907sq-tjxip-hero.glb",
"lp3907sq-tjxip-hero.overlay.json"
],
"component": {
"mpn": "LP3907SQ-TJXIP",
"manufacturer": "Texas Instruments",
"package": "WQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lp3907",
"parts": {
"symbol": "lp3907sq-tjxip.kicad_sym",
"footprint": "lp3907sq-tjxip.kicad_mod",
"model_3d": "lp3907sq-tjxip-hero.glb",
"model_3d_plain": "lp3907sq-tjxip.glb",
"model_3d_step": "lp3907sq-tjxip-etched.step",
"model_3d_step_plain": "lp3907sq-tjxip.step",
"lbr": "lp3907sq-tjxip.lbr"
},
"distributor_links": {
"lcsc": "C1880070"
},
"distributor_check": {
"checked_at": "2026-10-08T22:13:10Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VINLDO12",
"type": "power_in",
"description": "Analog power for internal functions (VREF, BIAS, I2C, logic) of the LP3907."
},
{
"number": "2",
"name": "EN_T",
"type": "input",
"description": "Enable input for the preset power-on sequence."
},
{
"number": "3",
"name": "nPOR",
"type": "output",
"description": "Open-drain power-on reset output for Buck1 and Buck2 with a 100-kΩ pullup resistor, pulled to ground when these supplies are not good."
},
{
"number": "4",
"name": "GND_SW1",
"type": "power_in",
"description": "Buck1 NMOS power ground."
},
{
"number": "5",
"name": "SW1",
"type": "power_out",
"description": "Buck1 switcher output pin."
},
{
"number": "6",
"name": "VIN1",
"type": "power_in",
"description": "Power input from a DC source or battery to Buck1."
},
{
"number": "7",
"name": "ENSW1",
"type": "input",
"description": "Enable pin for Buck1; a logic HIGH enables Buck1."
},
{
"number": "8",
"name": "FB1",
"type": "input",
"description": "Buck1 feedback input terminal."
},
{
"number": "9",
"name": "GND_C",
"type": "power_in",
"description": "Non-switching core ground pin."
},
{
"number": "10",
"name": "AVDD",
"type": "power_in",
"description": "Analog power for the Buck converters."
},
{
"number": "11",
"name": "FB2",
"type": "input",
"description": "Buck2 feedback input terminal."
},
{
"number": "12",
"name": "ENSW2",
"type": "input",
"description": "Enable pin for Buck2; a logic HIGH enables Buck2."
},
{
"number": "13",
"name": "VIN2",
"type": "power_in",
"description": "Power input from a DC source or battery to Buck2."
},
{
"number": "14",
"name": "SW2",
"type": "power_out",
"description": "Buck2 switcher output pin."
},
{
"number": "15",
"name": "GND_SW2",
"type": "power_in",
"description": "Buck2 NMOS power ground."
},
{
"number": "16",
"name": "SDA",
"type": "bidirectional",
"description": "I2C data line (bidirectional)."
},
{
"number": "17",
"name": "SCL",
"type": "input",
"description": "I2C clock input."
},
{
"number": "18",
"name": "GND_L",
"type": "power_in",
"description": "LDO ground."
},
{
"number": "19",
"name": "VINLDO1",
"type": "power_in",
"description": "Power input from a DC source or battery to the input terminal of LDO1."
},
{
"number": "20",
"name": "LDO1",
"type": "power_out",
"description": "LDO1 regulator output."
},
{
"number": "21",
"name": "ENLDO1",
"type": "input",
"description": "LDO1 enable pin; a logic HIGH enables LDO1."
},
{
"number": "22",
"name": "ENLDO2",
"type": "input",
"description": "LDO2 enable pin; a logic HIGH enables LDO2."
},
{
"number": "23",
"name": "LDO2",
"type": "power_out",
"description": "LDO2 regulator output."
},
{
"number": "24",
"name": "VINLDO2",
"type": "power_in",
"description": "Power input from a DC source or battery to the input terminal of LDO2."
},
{
"number": "25",
"name": "DAP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 2 (EN_T) description in the datasheet ends with a dangling cross-reference ('See .') to the pres; nPOR is an open-drain output in the datasheet, but the allowed KiCad types have no open-drain class,; Pin 1 VINLDO12 is listed as 'B4, B5' in the DSBGA column; only the WQFN number (1) was used. The DSB",
"exposed pad 25 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 11,
"cost_usd": 0.0725,
"at": "2026-10-08T22:12:48"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lp3907",
"pages": 61,
"sha256": "28f50063d0d77651",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
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"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
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],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lp3907sq-tjxip-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
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]
}
}