component
NDP13701QB
Public Made by Adomby adom
NDP DC-DC Converters, QFN-20(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ndp13701qb",
"version": "0.1.0",
"type": "component",
"description": "NDP DC-DC Converters, QFN-20(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"ndp13701qb",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ndp13701qb.kicad_sym",
"ndp13701qb.kicad_mod",
"ndp13701qb.glb",
"ndp13701qb.step",
"ndp13701qb.lbr",
"docs/hero.png",
"docs/ndp13701qb-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ndp13701qb-hero.glb",
"ndp13701qb-hero.overlay.json",
"ndp13701qb-etched.glb"
],
"component": {
"mpn": "NDP13701QB",
"manufacturer": "NDP",
"package": "QFN-20(5x5)",
"pin_count": 21,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905459434348544",
"parts": {
"symbol": "ndp13701qb.kicad_sym",
"footprint": "ndp13701qb.kicad_mod",
"model_3d": "ndp13701qb-hero.glb",
"model_3d_plain": "ndp13701qb-etched.glb",
"model_3d_step": "ndp13701qb-etched.step",
"model_3d_step_plain": "ndp13701qb.step",
"lbr": "ndp13701qb.lbr"
},
"distributor_links": {
"lcsc": "C17702296"
},
"distributor_check": {
"checked_at": "2026-10-18T03:04:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin of the exposed-pad group PAD1; connect to system ground."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin of the exposed-pad group PAD1; connect to system ground."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground pin of the exposed-pad group PAD1; connect to system ground."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; the layout note says pins 4 and 5 may be tied to VIN or GND for easier layout."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; the layout note says pins 4 and 5 may be tied to VIN or GND for easier layout."
},
{
"number": "6",
"name": "VIN",
"type": "power_in",
"description": "Power input of the exposed-pad group PAD2; VIN range is 7.5 V to 30 V with an absolute maximum of -0.3 V to 33 V to GND."
},
{
"number": "7",
"name": "VIN",
"type": "power_in",
"description": "Power input of the exposed-pad group PAD2; VIN range is 7.5 V to 30 V with an absolute maximum of -0.3 V to 33 V to GND."
},
{
"number": "8",
"name": "VIN",
"type": "power_in",
"description": "Power input of the exposed-pad group PAD2; VIN range is 7.5 V to 30 V with an absolute maximum of -0.3 V to 33 V to GND."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "10",
"name": "BST",
"type": "power_out",
"description": "Boot-strap pin for the high-side driver; connect a resistor of 0-10 Ω (4.7 Ω typ) and 100 nF from BST to SW, with BST to GND rated -0.3 V to VIN+7 V."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "12",
"name": "SW",
"type": "output",
"description": "Switching node of the exposed-pad group PAD3, connected to the inductor; SW to GND rated -0.3 V to VIN+0.3 V."
},
{
"number": "13",
"name": "SW",
"type": "output",
"description": "Switching node of the exposed-pad group PAD3, connected to the inductor; SW to GND rated -0.3 V to VIN+0.3 V."
},
{
"number": "14",
"name": "SW",
"type": "output",
"description": "Switching node of the exposed-pad group PAD3, connected to the inductor; SW to GND rated -0.3 V to VIN+0.3 V."
},
{
"number": "15",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "16",
"name": "FB",
"type": "input",
"description": "Feedback input for the output voltage divider, regulated to the 1.0 V internal reference; FB to GND rated -0.3 V to 6.5 V."
},
{
"number": "17",
"name": "CSP",
"type": "input",
"description": "Positive pole of the current-sense amplifier; CSP to GND rated -0.3 V to VIN, with the CSP-CSN current-sense voltage of 51-59 mV."
},
{
"number": "18",
"name": "CSN1",
"type": "input",
"description": "Negative pole 1 of the current-sense amplifier; CSN1 to GND rated -0.3 V to VIN."
},
{
"number": "19",
"name": "CSN2",
"type": "input",
"description": "Negative pole 2 of the current-sense amplifier; CSN2 to GND rated -0.3 V to VIN."
},
{
"number": "20",
"name": "FS/EN",
"type": "input",
"description": "Connect a resistor to GND to set switching frequency, or float for 130 kHz; it also serves as enable with an internal 8 µA pull-up, and FS/EN to GND is rated -0.3 V to 6.5 V; below 0.3 V the part enters shutdown."
},
{
"number": "21",
"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-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 lists exposed thermal pads PAD1 (GND), PAD2 (VIN) and PAD3 (SW) in the pin table, but ; Pins 4, 5, 9, 11 and 15 are listed as NC in the pin table. Pins 4 and 5 may be tied to VIN or GND pe; The datasheet gives a single package variant (QB, QFN5*5-20) for this MPN, so no variant selection w",
"exposed pad 21 added from the footprint"
],
"pages_sent": 15,
"cost_usd": 0.0748,
"at": "2026-10-18T03:03:03"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905459434348544",
"pages": 15,
"sha256": "1b9d13346e5e1af4",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ndp13701qb.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "9466f19e7a94c1920e0c82ac10746517bca0b846bd3c01a7053914bd9856799f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ndp13701qb-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.77
],
"zmin_mm": 0.0,
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"footprint_binding": "identity",
"sha256": "37d22e34fa7db3b5b73fa50e1b93c65874d927601f18abd60ea0dff007020217",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}