component
OB2571TCPA
Public Made by Adomby adom
OB On Bright Elec AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "OB2571TCPA",
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"package": "SOP-8",
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"category": "Power Management (PMIC)",
"subcategory": "AC-DC Controllers And Regulators",
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"mouser": {
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{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin; the datasheet gives a recommended VDD supply range of 9 to 25V and an absolute maximum VDD voltage of -0.3 to 30V."
},
{
"number": "2",
"name": "FB",
"type": "input",
"description": "Voltage feedback from the auxiliary winding, connected through a resistor divider from the auxiliary winding that reflects the output voltage; FB input voltage is limited to -0.3 to 7V."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the controller."
},
{
"number": "4",
"name": "CS",
"type": "input",
"description": "Current sense input; connect a sense resistor from this pin to ground, with CS input voltage limited to -0.3 to 7V."
},
{
"number": "5",
"name": "DRAIN",
"type": "output",
"description": "Internal power MOSFET drain output; drain voltage in the off state is limited to -0.3 to Bvdss."
},
{
"number": "6",
"name": "DRAIN",
"type": "output",
"description": "Internal power MOSFET drain output; drain voltage in the off state is limited to -0.3 to Bvdss."
},
{
"number": "7",
"name": "DRAIN",
"type": "output",
"description": "Internal power MOSFET drain output; drain voltage in the off state is limited to -0.3 to Bvdss."
},
{
"number": "8",
"name": "DRAIN",
"type": "output",
"description": "Internal power MOSFET drain output; drain voltage in the off state is limited to -0.3 to Bvdss."
}
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet lists pins 5, 6, 7 and 8 together as DRAIN and the pin-map diagram text on page 2 is g; The OB2571TCPA ordering code is the SOP8 Tape/Reel (T&R) variant of the same SOP8 part, so the pinou"
],
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"cost_usd": 0.0214,
"at": "2026-10-18T07:36:42"
},
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"pages": 3,
"sha256": "02779104b7e3f6d7",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"footprint": "viewers/footprint.html"
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"up": "Z",
"units": "mm",
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"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-18",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "OB On Bright Elec",
"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
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"name": "VDD Supply Voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 9,
"typ": null,
"max": 25,
"conditions": "Recommended operating condition",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VDD Voltage",
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"min": -0.3,
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"conditions": "",
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{
"name": "FB Input Voltage",
"symbol": "FB",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
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{
"name": "Drain Voltage (off state)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
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"typ": null,
"max": null,
"conditions": "Off state; maximum printed as Bvdss, no numeric value given for this part",
"source_page": 2,
"source": "datasheet"
},
{
"name": "CS Input Voltage",
"symbol": "CS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
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},
{
"name": "Min/Max Operating Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
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{
"name": "Operating Ambient Temperature",
"symbol": "TA",
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"min": -20,
"typ": null,
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"conditions": "",
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{
"name": "Min/Max Storage Temperature",
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{
"name": "Lead Temperature (Soldering)",
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{
"name": "Package thermal resistance, junction to ambient",
"symbol": "RθJA",
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"unit": "℃/W",
"min": null,
"typ": 85,
"max": null,
"conditions": "SOP8 package",
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}
]
}
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}