component
UC2875DWPTR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "uc2875dwptr",
"title": "UC2875DWPTR",
"brief": "Texas Instruments AC-DC Controllers And Regulators, SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"uc2875dwptr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "UC2875DWPTR",
"manufacturer": "Texas Instruments",
"package": "SOIC-28-300mil",
"pin_count": 28,
"category": "Power Management (PMIC)",
"subcategory": "AC-DC Controllers And Regulators",
"datasheet": "https://www.ti.com/cn/lit/gpn/uc2875",
"parts": {
"symbol": "uc2875dwptr.kicad_sym",
"footprint": "uc2875dwptr.kicad_mod",
"model_3d": "uc2875dwptr-hero.glb",
"model_3d_plain": "uc2875dwptr.glb",
"model_3d_step": "uc2875dwptr-etched.step",
"model_3d_step_plain": "uc2875dwptr.step",
"lbr": "uc2875dwptr.lbr"
},
"distributor_links": {
"lcsc": "C2868119",
"digikey": "UC2875DWPTR-ND",
"mouser": "595-UC2875DWPTR"
},
"distributor_check": {
"checked_at": "2026-10-07T07:25:46Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "UC2875DWPTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-UC2875DWPTR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VREF",
"type": "power_out",
"description": "Accurate 5V reference output delivering about 60mA, short-circuit limited, disabled in UVLO, bypass with a 0.1µF low-ESR capacitor to GND."
},
{
"number": "2",
"name": "E/AOUT",
"type": "output",
"description": "Error amplifier output and gain stage for overall feedback control; levels below 1V force 0° phase shift."
},
{
"number": "3",
"name": "EA-",
"type": "input",
"description": "Error amplifier inverting input, normally connected to the divider sensing the power supply output voltage."
},
{
"number": "4",
"name": "EA+",
"type": "input",
"description": "Error amplifier non-inverting input, normally connected to a reference voltage for comparison with the sensed output level."
},
{
"number": "5",
"name": "CS+",
"type": "input",
"description": "Non-inverting input of the current-fault comparator with internal 2.5V reference; exceeding 2.5V latches outputs off and starts a soft-start cycle."
},
{
"number": "6",
"name": "SOFTSTART",
"type": "output",
"description": "Soft-start pin held at GND while VIN is below UVLO, then pulled up to about 4.8V by an internal 9µA source."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
},
{
"number": "10",
"name": "DELAYSET C-D",
"type": "input",
"description": "Programmed current from this pin to GND sets the turn-on delay for the C-D output pair."
},
{
"number": "11",
"name": "N/C",
"type": "unconnected",
"description": "No connection."
},
{
"number": "12",
"name": "OUTD",
"type": "output",
"description": "2A totem-pole output D, part of the C-D pair driving the second half-bridge phase-shifted from A-B."
},
{
"number": "13",
"name": "OUTC",
"type": "output",
"description": "2A totem-pole output C, part of the C-D pair driving the second half-bridge phase-shifted from A-B."
},
{
"number": "14",
"name": "VC",
"type": "power_in",
"description": "Supply for the output drivers; connect to a stable source above 3V (above 12V for best performance), bypassed to PWRGND."
},
{
"number": "15",
"name": "VIN",
"type": "power_in",
"description": "Primary chip supply for logic and analog circuitry; connect to a stable source above 12V, inactive until VIN exceeds the UVLO threshold, bypass to GND."
},
{
"number": "16",
"name": "PWRGND",
"type": "power_in",
"description": "Power ground for the output drivers; bypass VC to it with a ceramic capacitor, may be joined to signal ground at a single point."
},
{
"number": "17",
"name": "OUTB",
"type": "output",
"description": "2A totem-pole output B, part of the A-B pair driving one half-bridge synchronized with the clock."
},
{
"number": "18",
"name": "OUTA",
"type": "output",
"description": "2A totem-pole output A, part of the A-B pair driving one half-bridge synchronized with the clock."
},
{
"number": "19",
"name": "N/C",
"type": "unconnected",
"description": "No connection."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
},
{
"number": "23",
"name": "DELAYSET A-B",
"type": "input",
"description": "Programmed current from this pin to GND sets the turn-on delay for the A-B output pair."
},
{
"number": "24",
"name": "FREQSET",
"type": "passive",
"description": "A resistor and capacitor from this pin to GND set the oscillator frequency."
},
{
"number": "25",
"name": "CLOCKSYNC",
"type": "bidirectional",
"description": "Outputs a clock signal or accepts a synchronization input higher in frequency than the local oscillator."
},
{
"number": "26",
"name": "SLOPE",
"type": "passive",
"description": "A resistor from this pin to VCC sets the current used to generate the ramp, giving slope compensation or voltage feed-forward."
},
{
"number": "27",
"name": "RAMP",
"type": "input",
"description": "Input to the PWM comparator; connect a capacitor to GND, with 1.3V offset between ramp input and PWM comparator."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Signal ground, reference for all voltages."
}
],
"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": "vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet describes GND once for all GND pins; description reused for each of the six-plus GND pins.; N/C pins labelled only in the connection diagram; the 28-pin SOIC diagram is shared across UC1875/6/",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 12,
"cost_usd": 0.4186,
"at": "2026-10-07T07:25:08"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/uc2875",
"pages": 23,
"sha256": "4544bfc895c90421",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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"footprint_binding": "identity",
"sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
"checked": "2026-10-07",
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{
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-28-300mil",
"Category": "Power Management (PMIC)",
"Pins": "28"
}
},
"variants": [],
"sections": [
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"viewers",
"readme",
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],
"discovery_triggers": [
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],
"discovery_pitch": "UC2875DWPTR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"files": [
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