component
BD9G341AEFJ-LBE2
Public Made by Adomby adom
ROHM Semicon Global Sourcing Parts, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "BD9G341AEFJ-LBE2",
"manufacturer": "ROHM Semicon",
"package": "SOP-8-EP",
"pin_count": 9,
"category": "Global Sourcing Parts",
"subcategory": "Global Sourcing Parts",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923456113291264",
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"lbr": "bd9g341aefj-lbe2.lbr"
},
"distributor_links": {
"lcsc": "C2072119",
"digikey": "BD9G341AEFJ-LBE2TR-ND",
"mouser": "755-BD9G341AEFJ-LBE2"
},
"distributor_check": {
"checked_at": "2026-10-19T00:10:30Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "BD9G341AEFJ-LBE2TR-ND",
"status": "found",
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"pins": [
{
"number": "1",
"name": "LX",
"type": "output",
"description": "Switching node, to be connected as near as possible to the Schottky barrier diode and the inductor."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the GND pattern is kept along the current line from the input capacitor to the output capacitor."
},
{
"number": "3",
"name": "VC",
"type": "passive",
"description": "Output of the internal error amplifier; the phase compensation network is connected between this pin and GND."
},
{
"number": "4",
"name": "FB",
"type": "input",
"description": "Voltage feedback pin, the error-amplifier input, regulated to a DC set point of 1.0 V."
},
{
"number": "5",
"name": "RT",
"type": "passive",
"description": "Sets the internal oscillator frequency through a single resistor to GND; recommended frequency range is 50 kHz to 750 kHz (47 kΩ gives 200 kHz)."
},
{
"number": "6",
"name": "EN",
"type": "input",
"description": "Shutdown pin: below 1.3 V the regulator is in a low-power state, 1.3 V to 2.4 V gives standby mode, and above 2.6 V the regulator is operational; an external divider can set the UVLO threshold, and an open pin is pulled up by a 10 µA source."
},
{
"number": "7",
"name": "BST",
"type": "passive",
"description": "Boost input for the bootstrap capacitor, which is required between BST and LX; a 0.1 µF ceramic capacitor is recommended."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Input supply voltage pin; the recommended power supply voltage range is 12 V to 76 V."
},
{
"number": "9",
"name": "Thermal Pad",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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 thermal pad is not a numbered pin. The datasheet says only to connect the thermal pad to GND, so; The datasheet covers BD9G341AEFJ-LB. The MPN BD9G341AEFJ-LBE2 matches its ordering code, where LBE2 ",
"exposed pad 9 added from the footprint"
],
"pages_sent": 11,
"cost_usd": 0.0544,
"at": "2026-10-19T00:08:29"
},
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"pages": 29,
"sha256": "b6778e40c4da988a",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 9,
"described": 9,
"cites_pages": true,
"refuses_to_fabricate": true
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