component
OB3674APJPA-J
Public Made by Adomby adom
OB On Bright Elec PFC Controllers, SOP-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
2cc2ef9
1mo ago
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{
"schema_version": 1,
"type": "component",
"slug": "ob3674apjpa-j",
"title": "OB3674APJPA-J",
"brief": "OB On Bright Elec PFC Controllers, SOP-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"ob3674apjpa-j"
],
"component": {
"mpn": "OB3674APJPA-J",
"manufacturer": "OB On Bright Elec",
"package": "SOP-7",
"pin_count": 7,
"category": "Power Management (PMIC)",
"subcategory": "PFC Controllers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f512b8748d31a30eb5c2f10656238b63.pdf",
"parts": {
"symbol": "ob3674apjpa-j.kicad_sym",
"footprint": "ob3674apjpa-j.kicad_mod",
"model_3d": "ob3674apjpa-j.glb",
"model_3d_step": "ob3674apjpa-j.step",
"lbr": "ob3674apjpa-j.lbr"
},
"distributor_links": {},
"pins": [
{
"number": "1",
"name": "VAC",
"type": "output",
"description": "Boost mode set pin. Connect to a resistor divider from the rectified system input for follower boost mode, or leave floating for constant boost mode. Rated -0.7 V to +7 V (absolute max)."
},
{
"number": "2",
"name": "INV",
"type": "input",
"description": "Inverting input of the internal Error Amplifier. Connect a resistor divider from the boost output to program the regulated system output voltage. Rated -0.7 V to +7 V (absolute max)."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the controller and integrated power MOSFET source return."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "DC supply voltage for the controller. Absolute maximum rating -0.3 V to +20 V; requires a bypass capacitor to GND and a Zener/UVLO clamp on the supply rail."
},
{
"number": "5",
"name": "DRAIN",
"type": "output",
"description": "Drain of the integrated power MOSFET (switching node to the PFC boost inductor). Pins 5 and 6 are tied together internally on SOP-7. Rated -0.3 V to DRAIN_BV (500 V, per 'J' suffix)."
},
{
"number": "6",
"name": "DRAIN",
"type": "output",
"description": "Drain of the integrated power MOSFET (switching node to the PFC boost inductor). Pins 5 and 6 are tied together internally on SOP-7. Rated -0.3 V to DRAIN_BV (500 V, per 'J' suffix)."
},
{
"number": "7",
"name": "CS",
"type": "input",
"description": "Current sense input. Connect to an external current-sense resistor from the MOSFET source return to program cycle-by-cycle over-current protection and provide the PWM current-mode ramp. Rated -0.7 V to +7 V (absolute max)."
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/f512b8748d31a30eb5c2f10656238b63.pdf",
"pages": 12,
"sha256": "fcca0b97796cadee",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 7,
"described": 7,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "OB On Bright Elec",
"Package": "SOP-7",
"Category": "Power Management (PMIC)",
"Pins": "7"
}
},
"variants": [
{
"mpn": "OB3674APJP-J",
"kind": "unknown"
},
{
"mpn": "OB3674APJPA-J",
"kind": "packaging"
},
{
"mpn": "OB3674ATJP-J",
"kind": "unknown"
},
{
"mpn": "OB3674ATJPA-J",
"kind": "unknown"
},
{
"mpn": "OB3674ATCCP-J",
"kind": "unknown"
},
{
"mpn": "OB3674ATCCPA-J",
"kind": "unknown"
},
{
"mpn": "OB3674AUCCP-J",
"kind": "unknown"
},
{
"mpn": "OB3674AUCCPA-J",
"kind": "unknown"
}
],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ob3674apjpa-j"
],
"discovery_pitch": "OB3674APJPA-J (OB On Bright Elec) component page with datasheet-verified CAD.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"ob3674apjpa-j.lbr",
"docs/hero.png",
"docs/ob3674apjpa-j-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"visibility": {
"public": true
},
"updated_at": "2026-09-25T03:28:12.172Z"
}