component
TPS25940ARVCT
Public Made by Adomby adom
Texas Instruments Surge Suppressors, WQFN-20(4x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "TPS25940ARVCT",
"brief": "Texas Instruments Surge Suppressors, WQFN-20(4x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"mpn": "TPS25940ARVCT",
"manufacturer": "Texas Instruments",
"package": "WQFN-20(4x3)",
"pin_count": 21,
"category": "TVS/Fuse/Board Level Protection",
"subcategory": "Surge Suppressors",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps25940arvct.pdf",
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"lcsc": "C2653833",
"digikey": "296-39586-2-ND",
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"pins": [
{
"number": "1",
"name": "DEVSLP",
"type": "input",
"description": "Active-high DevSleep mode control that activates the low-power DevSleep mode; recommended input range is 0 to 18 V."
},
{
"number": "2",
"name": "PGOOD",
"type": "output",
"description": "Active-high power-good output that goes high when PGTH crosses its threshold; open-drain, sink current limited to 10 mA, recommended range 0 to 18 V."
},
{
"number": "3",
"name": "PGTH",
"type": "input",
"description": "Positive input of the PGOOD comparator; recommended input range is 0 to 18 V."
},
{
"number": "4",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
},
{
"number": "5",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
},
{
"number": "6",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
},
{
"number": "7",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
},
{
"number": "8",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
},
{
"number": "9",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
},
{
"number": "10",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
},
{
"number": "11",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
},
{
"number": "12",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
},
{
"number": "13",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
},
{
"number": "14",
"name": "EN/UVLO",
"type": "input",
"description": "Sets the programmable undervoltage lockout threshold; an undervoltage event opens the internal FET and asserts FLT, and pulling it to GND resets the fault latch in TPS25940L; recommended range 0 to 18 V."
},
{
"number": "15",
"name": "OVP",
"type": "input",
"description": "Sets the programmable overvoltage protection threshold; an overvoltage event opens the internal FET and asserts FLT; recommended range 0 to 18 V."
},
{
"number": "16",
"name": "GND",
"type": "power_in",
"description": "Ground; must be connected to the exposed PowerPAD, which must be tied to a PCB ground plane using multiple vias."
},
{
"number": "17",
"name": "ILIM",
"type": "bidirectional",
"description": "A resistor from this pin to GND sets the overload and short-circuit current limit; recommended resistance 16.9 kΩ to 150 kΩ and voltage 0 to 3 V."
},
{
"number": "18",
"name": "dVdT",
"type": "bidirectional",
"description": "A capacitor from this pin to GND sets the output voltage ramp rate; recommended capacitance up to 470 nF, voltage 0 to 3 V, sink current limited to 10 mA."
},
{
"number": "19",
"name": "IMON",
"type": "output",
"description": "Sources a scaled-down ratio of the internal FET current, which a resistor to GND converts to a proportional analog voltage; recommended range 0 to 6 V, absolute maximum 7 V."
},
{
"number": "20",
"name": "FLT",
"type": "output",
"description": "Open-drain fault indicator that goes low for undervoltage, overvoltage, reverse voltage, or thermal shutdown events; recommended range 0 to 18 V, sink current limited to 10 mA."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
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"exposed pad 21 added from the footprint"
],
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"at": "2026-10-30T23:51:52"
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-20(4x3)",
"Category": "TVS/Fuse/Board Level Protection",
"Pins": "21"
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"name": "Input voltage range (IN, OUT, PGTH, PGOOD, EN/UVLO, OVP, DEVSLP, FLT)",
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"name": "Input voltage range (IMON)",
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"name": "Sink current (PGOOD, FLT, dVdT)",
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"name": "Maximum junction temperature TJ",
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"name": "Input voltage range (EN/UVLO, OVP, DEVSLP, OUT, PGTH, PGOOD, FLT)",
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"min": 0,
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"name": "Input voltage range (dVdT, ILIM)",
"symbol": "",
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"min": 16.9,
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"source_page": 4,
"source": "datasheet"
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"name": "External capacitance OUT",
"symbol": "",
"kind": "recommended_operating",
"unit": "µF",
"min": 0.1,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
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"name": "External capacitance dVdT",
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"kind": "recommended_operating",
"unit": "nF",
"min": null,
"typ": null,
"max": 470,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "Operating junction temperature range TJ",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": 25,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage range V(IN) operating",
"symbol": "V(IN)",
"kind": "electrical",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Internal UVLO threshold, rising",
"symbol": "V(UVR)",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": 2.3,
"max": 2.4,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply current, enabled",
"symbol": "IQ(ON)",
"kind": "electrical",
"unit": "µA",
"min": 140,
"typ": 210,
"max": 300,
"conditions": "V(EN/UVLO) = 2 V, V(IN) = 3 V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Supply current, enabled",
"symbol": "IQ(ON)",
"kind": "electrical",
"unit": "µA",
"min": 140,
"typ": 199,
"max": 260,
"conditions": "V(EN/UVLO) = 2 V, V(IN) = 12 V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Supply current, enabled",
"symbol": "IQ(ON)",
"kind": "electrical",
"unit": "µA",
"min": 140,
"typ": 202,
"max": 270,
"conditions": "V(EN/UVLO) = 2 V, V(IN) = 18 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply current, disabled",
"symbol": "IQ(OFF)",
"kind": "electrical",
"unit": "µA",
"min": 4,
"typ": 8.6,
"max": 15,
"conditions": "V(EN/UVLO) = 0 V, V(IN) = 3 V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Supply current, disabled",
"symbol": "IQ(OFF)",
"kind": "electrical",
"unit": "µA",
"min": 6,
"typ": 15,
"max": 20,
"conditions": "V(EN/UVLO) = 0 V, V(IN) = 12 V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Supply current, disabled",
"symbol": "IQ(OFF)",
"kind": "electrical",
"unit": "µA",
"min": 8,
"typ": 18.5,
"max": 25,
"conditions": "V(EN/UVLO) = 0 V, V(IN) = 18 V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Supply current, DevSleep mode",
"symbol": "IQ(DEVSLP)",
"kind": "electrical",
"unit": "µA",
"min": 70,
"typ": 95,
"max": 130,
"conditions": "V(DEVSLP) = 0 V, V(IN) = 2.7V to 18V",
"source_page": 6,
"source": "datasheet"
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{
"name": "EN/UVLO threshold voltage, rising",
"symbol": "V(ENR)",
"kind": "electrical",
"unit": "V",
"min": 0.97,
"typ": 0.99,
"max": 1.01,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "EN/UVLO threshold voltage, falling",
"symbol": "V(ENF)",
"kind": "electrical",
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"min": 0.9,
"typ": 0.92,
"max": 0.94,
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"source": "datasheet"
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{
"name": "Overvoltage threshold voltage, rising",
"symbol": "V(OVPR)",
"kind": "electrical",
"unit": "V",
"min": 0.97,
"typ": 0.99,
"max": 1.01,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Overvoltage threshold voltage, falling",
"symbol": "V(OVPF)",
"kind": "electrical",
"unit": "V",
"min": 0.9,
"typ": 0.92,
"max": 0.94,
"conditions": "",
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"source": "datasheet"
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{
"name": "DEVSLP threshold voltage, rising",
"symbol": "V(DEVSLPR)",
"kind": "electrical",
"unit": "V",
"min": 1.6,
"typ": 1.85,
"max": 2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "DEVSLP threshold voltage, falling",
"symbol": "V(DEVSLPF)",
"kind": "electrical",
"unit": "V",
"min": 0.8,
"typ": 0.96,
"max": 1.1,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "dVdT charging current",
"symbol": "I(dVdT)",
"kind": "electrical",
"unit": "µA",
"min": 0.85,
"typ": 1,
"max": 1.15,
"conditions": "V(dVdT) = 0 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "dVdT discharging resistance",
"symbol": "R(dVdT)",
"kind": "electrical",
"unit": "Ω",
"min": 16,
"typ": null,
"max": 24,
"conditions": "EN/UVLO = 0 V, I(dVdT) = 10 mA sinking",
"source_page": 6,
"source": "datasheet"
},
{
"name": "dVdT maximum capacitor voltage",
"symbol": "V(dVdTmax)",
"kind": "electrical",
"unit": "V",
"min": 2.6,
"typ": 2.88,
"max": 3.1,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "dVdT to OUT gain",
"symbol": "GAIN(dVdT)",
"kind": "electrical",
"unit": "V/V",
"min": 11.65,
"typ": 11.9,
"max": 12.05,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Current limit I(LIM)",
"symbol": "I(LIM)",
"kind": "electrical",
"unit": "A",
"min": 0.53,
"typ": 0.58,
"max": 0.63,
"conditions": "R(ILIM) = 150 kΩ, (V(IN) - V(OUT)) = 1 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Current limit I(LIM)",
"symbol": "I(LIM)",
"kind": "electrical",
"unit": "A",
"min": 0.9,
"typ": 0.99,
"max": 1.07,
"conditions": "R(ILIM) = 88.7 kΩ, (V(IN) - V(OUT)) = 1 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Current limit I(LIM)",
"symbol": "I(LIM)",
"kind": "electrical",
"unit": "A",
"min": 1.92,
"typ": 2.08,
"max": 2.25,
"conditions": "R(ILIM) = 42.2 kΩ, (V(IN) - V(OUT)) = 1 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Current limit I(LIM)",
"symbol": "I(LIM)",
"kind": "electrical",
"unit": "A",
"min": 3.25,
"typ": 3.53,
"max": 3.81,
"conditions": "R(ILIM) = 24.9 kΩ, (V(IN) - V(OUT)) = 1 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Current limit I(LIM)",
"symbol": "I(LIM)",
"kind": "electrical",
"unit": "A",
"min": 4.78,
"typ": 5.2,
"max": 5.62,
"conditions": "R(ILIM) = 16.9 kΩ, (V(IN) - V(OUT)) = 1 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "DevSleep mode current limit",
"symbol": "I(DEVSLP(LIM))",
"kind": "electrical",
"unit": "A",
"min": 0.55,
"typ": 0.67,
"max": 0.8,
"conditions": "",
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"source": "datasheet"
},
{
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