component
XPD977B18
Public Made by Adomby adom
Shenzhen Fuman Battery Management ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "xpd977b18",
"version": "0.1.0",
"type": "component",
"description": "Shenzhen Fuman Battery Management ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management ics",
"xpd977b18",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"xpd977b18.kicad_sym",
"xpd977b18.kicad_mod",
"xpd977b18.glb",
"xpd977b18.step",
"xpd977b18.lbr",
"docs/hero.png",
"docs/xpd977b18-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"xpd977b18-hero.glb",
"xpd977b18-hero.overlay.json",
"xpd977b18-etched.glb"
],
"component": {
"mpn": "XPD977B18",
"manufacturer": "Shenzhen Fuman",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Power Management ICs",
"subcategory": "Battery Management ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5105cc8c9054fdf0ede57d544cf7b504.pdf",
"parts": {
"symbol": "xpd977b18.kicad_sym",
"footprint": "xpd977b18.kicad_mod",
"model_3d": "xpd977b18-hero.glb",
"model_3d_plain": "xpd977b18-etched.glb",
"model_3d_step": "xpd977b18-etched.step",
"model_3d_step_plain": "xpd977b18.step",
"lbr": "xpd977b18.lbr"
},
"distributor_links": {
"lcsc": "C2844297"
},
"distributor_check": {
"checked_at": "2026-10-30T11:54:02Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VFB",
"type": "input",
"description": "Voltage regulation port connected to the system voltage feedback point (internal reference 1.24V, RFB1 must be 100kΩ)."
},
{
"number": "2",
"name": "IREF",
"type": "passive",
"description": "CC loop compensation pin; leave floating if the CC function is not used."
},
{
"number": "3",
"name": "CSN",
"type": "input",
"description": "Current sense negative terminal; connect to GND if unused, must not be left floating."
},
{
"number": "4",
"name": "CSP",
"type": "input",
"description": "Current sense positive terminal; connect to GND if unused, must not be left floating."
},
{
"number": "5",
"name": "ISP2",
"type": "input",
"description": "Current sense positive terminal for the Type-A2 port."
},
{
"number": "6",
"name": "ISP3",
"type": "input",
"description": "Current sense positive terminal for the Type-A3 port."
},
{
"number": "7",
"name": "DP3",
"type": "bidirectional",
"description": "Type-A3 port data line DP."
},
{
"number": "8",
"name": "LINK",
"type": "bidirectional",
"description": "XPD-LINK interconnect port (bus with 10kΩ resistor to ground)."
},
{
"number": "9",
"name": "DM3",
"type": "bidirectional",
"description": "Type-A3 port data line DM."
},
{
"number": "10",
"name": "DIS",
"type": "output",
"description": "Gate control for the external discharge NMOS."
},
{
"number": "11",
"name": "AISN",
"type": "input",
"description": "Interconnect current sense negative terminal for use with non-XPD series products; connect to GND when unused."
},
{
"number": "12",
"name": "AISP",
"type": "input",
"description": "Interconnect current sense positive terminal for use with non-XPD series products; connect to GND when unused."
},
{
"number": "13",
"name": "USBA3",
"type": "passive",
"description": "Type-A3 port VBUS output power."
},
{
"number": "14",
"name": "GD3",
"type": "output",
"description": "Type-A3 port PMOS switch gate drive."
},
{
"number": "15",
"name": "DP2",
"type": "bidirectional",
"description": "Type-A2 port data line DP."
},
{
"number": "16",
"name": "DM2",
"type": "bidirectional",
"description": "Type-A2 port data line DM."
},
{
"number": "17",
"name": "USBA2",
"type": "passive",
"description": "Type-A2 port VBUS output power."
},
{
"number": "18",
"name": "GD2",
"type": "output",
"description": "Type-A2 port PMOS switch gate drive."
},
{
"number": "19",
"name": "CC1",
"type": "bidirectional",
"description": "Type-C port configuration channel CC1 (rated up to 26V abs max)."
},
{
"number": "20",
"name": "DP1",
"type": "bidirectional",
"description": "Type-C port data line (table text labels it DM; named DP1)."
},
{
"number": "21",
"name": "DM1",
"type": "bidirectional",
"description": "Data line DM1 of the Type-C port (table text labels it Type-A port DP)."
},
{
"number": "22",
"name": "CC2",
"type": "bidirectional",
"description": "Type-C port configuration channel CC2 (rated up to 26V abs max)."
},
{
"number": "23",
"name": "VBUS",
"type": "power_out",
"description": "Type-C port VBUS output power through integrated 10mΩ switch (pins 23/24/25 common); VBUS capacitor max 10µF."
},
{
"number": "24",
"name": "VBUS",
"type": "power_out",
"description": "Type-C port VBUS output power through integrated 10mΩ switch (pins 23/24/25 common); VBUS capacitor max 10µF."
},
{
"number": "25",
"name": "VBUS",
"type": "power_out",
"description": "Type-C port VBUS output power through integrated 10mΩ switch (pins 23/24/25 common); VBUS capacitor max 10µF."
},
{
"number": "26",
"name": "NC",
"type": "unconnected",
"description": "No connect, left floating."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "No connect, left floating."
},
{
"number": "28",
"name": "VPWR",
"type": "power_in",
"description": "Input power supply for the chip, 3.3V to 21V recommended range (pins 28/29/30 common)."
},
{
"number": "29",
"name": "VPWR",
"type": "power_in",
"description": "Input power supply for the chip, 3.3V to 21V recommended range (pins 28/29/30 common)."
},
{
"number": "30",
"name": "VPWR",
"type": "power_in",
"description": "Input power supply for the chip, 3.3V to 21V recommended range (pins 28/29/30 common)."
},
{
"number": "31",
"name": "NC",
"type": "unconnected",
"description": "No connect, left floating."
},
{
"number": "32",
"name": "OPTO",
"type": "output",
"description": "Optocoupler drive output, withstands 20V or more."
},
{
"number": "33",
"name": "EP",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin table descriptions for pins 20 and 21 are inconsistent with their names (DP1 described as 'Type-; Electrical direction types are inferred from descriptions; the datasheet gives no explicit pin direc; Exposed pad is labeled 'EPAD' in the datasheet with no numeric pin number; the name GND is inferred "
],
"pages_sent": 19,
"cost_usd": 0.187,
"at": "2026-10-30T11:53:45"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/5105cc8c9054fdf0ede57d544cf7b504.pdf",
"pages": 19,
"sha256": "5a87c34d62e6ac88",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "xpd977b18-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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5.0,
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],
"zmin_mm": 0.0,
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"footprint_binding": "identity",
"sha256": "39487dbc40dbe4a1ab4f0fe6c7776813a4080cf732096d88835e0ac74290ddc1",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}