component
TPS26400RHFR
Public Made by Adomby adom
Texas Instruments Surge Suppressors, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "TPS26400RHFR",
"brief": "Texas Instruments Surge Suppressors, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"package": "VQFN-24(4x5)",
"pin_count": 25,
"category": "TVS/Fuse/Board Level Protection",
"subcategory": "Surge Suppressors",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps2640",
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"pins": [
{
"number": "1",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
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{
"number": "2",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
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{
"number": "3",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
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{
"number": "4",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
},
{
"number": "5",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
},
{
"number": "6",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
},
{
"number": "7",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
},
{
"number": "8",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; all IN pins must be connected together, recommended range 4.2 V to 42 V."
},
{
"number": "9",
"name": "IN",
"type": "power_in",
"description": "Power input and supply voltage of the device; all IN pins must be connected together, recommended range 4.2 V to 42 V."
},
{
"number": "10",
"name": "UVLO",
"type": "input",
"description": "Input for setting the programmable undervoltage lockout threshold; an undervoltage event turns off the internal FET and asserts FLT, and connecting UVLO to RTN selects the internal default threshold."
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{
"number": "11",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
},
{
"number": "12",
"name": "OVP",
"type": "input",
"description": "Input for setting the programmable overvoltage protection threshold; an overvoltage event turns off the internal FET and asserts FLT, and connecting OVP to RTN selects the factory-set V(IN) overvoltage trip level."
},
{
"number": "13",
"name": "MODE",
"type": "input",
"description": "Mode selection pin for overload fault response: open = circuit breaker with auto-retry, shorted to RTN = active current limiting with auto-retry, 402-kΩ to RTN = current limiting with latch-off."
},
{
"number": "14",
"name": "SHDN",
"type": "input",
"description": "Shutdown pin; pulling it low enters low-power shutdown mode (about 20 μA typical), and cycling it resets a device latched off by a fault."
},
{
"number": "15",
"name": "RTN",
"type": "power_in",
"description": "Reference for device internal control circuits; connect R(ILIM), C(dVdT), R(IMON), R(MODE), UVLO and OVP resistors to it and do not short it to GND."
},
{
"number": "16",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Connect GND to system ground."
},
{
"number": "18",
"name": "IMON",
"type": "output",
"description": "Analog current monitor output sourcing a scaled-down ratio of the internal FET current (78.4 μA/A typical), converted to voltage by a resistor to RTN; leave floating if unused."
},
{
"number": "19",
"name": "ILIM",
"type": "bidirectional",
"description": "A resistor from this pin to RTN sets the overload and short-circuit current limit (recommended 5.36 kΩ to 120 kΩ)."
},
{
"number": "20",
"name": "dVdT",
"type": "bidirectional",
"description": "A capacitor from this pin to RTN sets the output voltage slew rate; when left floating the internal ramp rate is 23.9 V/1.6 ms."
},
{
"number": "21",
"name": "N.C",
"type": "unconnected",
"description": "No connect."
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{
"number": "22",
"name": "FLT",
"type": "output",
"description": "Fault event indicator, open-drain output; leave floating if unused."
},
{
"number": "23",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; all OUT pins must be connected together and to the load."
},
{
"number": "24",
"name": "OUT",
"type": "power_out",
"description": "Power output of the device; all OUT pins must be connected together and to the load."
},
{
"number": "25",
"name": "EP",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
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],
"pages_sent": 15,
"cost_usd": 0.1576,
"at": "2026-10-22T21:52:18"
},
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"pages": 56,
"sha256": "6532dc40aab68268",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
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"footprint_binding": "identity",
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{
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24(4x5)",
"Category": "TVS/Fuse/Board Level Protection",
"Pins": "25"
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"rows": [
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"conditions": "",
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{
"name": "Internal POR threshold, rising",
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{
"name": "Supply current enabled",
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"min": 190,
"typ": 300,
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"conditions": "V(SHDN) = 2 V",
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{
"name": "Supply current shutdown",
"symbol": "IQ(OFF)",
"kind": "electrical",
"unit": "µA",
"min": 11,
"typ": 20,
"max": 33,
"conditions": "V(SHDN) = 0 V",
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{
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"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 66,
"conditions": "V(IN) = –42 V, V(OUT) = 0 V",
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{
"name": "Factory set UVLO trip level, rising",
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"max": 15.75,
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"min": 13.25,
"typ": 13.8,
"max": 14.75,
"conditions": "V(IN) falling, V(UVLO) = 0 V",
"source_page": 7,
"source": "datasheet"
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{
"name": "Internal UVLO select threshold",
"symbol": "V(SEL_UVLO)",
"kind": "electrical",
"unit": "mV",
"min": 180,
"typ": 200,
"max": 240,
"conditions": "",
"source_page": 7,
"source": "datasheet"
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{
"name": "UVLO threshold voltage, rising",
"symbol": "V(UVLOR)",
"kind": "electrical",
"unit": "V",
"min": 1.175,
"typ": 1.19,
"max": 1.225,
"conditions": "",
"source_page": 7,
"source": "datasheet"
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{
"name": "UVLO threshold voltage, falling",
"symbol": "V(UVLOF)",
"kind": "electrical",
"unit": "V",
"min": 1.08,
"typ": 1.1,
"max": 1.125,
"conditions": "",
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"source": "datasheet"
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{
"name": "UVLO input leakage current",
"symbol": "I(UVLO)",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": 0,
"max": 100,
"conditions": "0 V ≤ V(UVLO) ≤ 42 V",
"source_page": 7,
"source": "datasheet"
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{
"name": "SHDN output voltage",
"symbol": "V(SHDN)",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": 2.7,
"max": 3.4,
"conditions": "I(SHDN) = 0.1 µA",
"source_page": 7,
"source": "datasheet"
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{
"name": "SHDN threshold for low IQ shutdown, falling",
"symbol": "V(SHUTF)",
"kind": "electrical",
"unit": "V",
"min": 0.55,
"typ": 0.76,
"max": 0.94,
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"source": "datasheet"
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{
"name": "SHDN leakage current",
"symbol": "I(SHDN)",
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"unit": "µA",
"min": -10,
"typ": null,
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"conditions": "V(SHDN) = 0.4 V",
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"source": "datasheet"
},
{
"name": "Factory set OVP trip level, rising",
"symbol": "V(IN_OVP)",
"kind": "electrical",
"unit": "V",
"min": 31,
"typ": 32.6,
"max": 34,
"conditions": "V(IN) rising, V(OVP) = 0 V",
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"source": "datasheet"
},
{
"name": "Factory set OVP trip level, falling",
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"kind": "electrical",
"unit": "V",
"min": 28.5,
"typ": 30.3,
"max": 31.5,
"conditions": "V(IN) falling, V(OVP) = 0 V",
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"source": "datasheet"
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{
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"unit": "mV",
"min": 180,
"typ": 200,
"max": 240,
"conditions": "",
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{
"name": "Overvoltage threshold voltage, rising",
"symbol": "V(OVPR)",
"kind": "electrical",
"unit": "V",
"min": 1.17,
"typ": 1.19,
"max": 1.225,
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"source": "datasheet"
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{
"name": "Overvoltage threshold, falling",
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"min": 1.085,
"typ": 1.1,
"max": 1.125,
"conditions": "",
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{
"name": "OVP input leakage current",
"symbol": "I(OVP)",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": 0,
"max": 100,
"conditions": "0 V ≤ V(OVP) ≤ 4 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "dVdT charging current",
"symbol": "I(dVdT)",
"kind": "electrical",
"unit": "µA",
"min": 4,
"typ": 4.7,
"max": 5.5,
"conditions": "V(dVdT) = 0 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "dVdT discharging resistance",
"symbol": "R(dVdT)",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 14,
"conditions": "V(SHDN) = 0 V, with I(dVdT) = 10 mA sinking",
"source_page": 7,
"source": "datasheet"
},
{
"name": "dVdT to OUT gain",
"symbol": "GAIN(dVdT)",
"kind": "electrical",
"unit": "V/V",
"min": 23.75,
"typ": 24.6,
"max": 25.5,
"conditions": "V(OUT)/V(dVdT)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "ILIM bias voltage",
"symbol": "V(ILIM)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Overload current limit",
"symbol": "I(OL)",
"kind": "electrical",
"unit": "A",
"min": 0.085,
"typ": 0.1,
"max": 0.115,
"conditions": "R(ILIM) = 120 kΩ, V(IN) – V(OUT) = 1 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Overload current limit",
"symbol": "I(OL)",
"kind": "electrical",
"unit": "A",
"min": 0.95,
"typ": 1,
"max": 1.05,
"conditions": "R(ILIM) = 12 kΩ, V(IN) – V(OUT) = 1 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Overload current limit",
"symbol": "I(OL)",
"kind": "electrical",
"unit": "A",
"min": 1.425,
"typ": 1.5,
"max": 1.575,
"conditions": "R(ILIM) = 8 kΩ, V(IN) – V(OUT) = 1 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Overload current limit",
"symbol": "I(OL)",
"kind": "electrical",
"unit": "A",
"min": 2.11,
"typ": 2.23,
"max": 2.35,
"conditions": "R(ILIM) = 5.36 kΩ, V(IN) – V(OUT) = 1 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Open resistor current limit",
"symbol": "I(OL_R-OPEN)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 0.055,
"max": null,
"conditions": "R(ILIM) = OPEN, open resistor current limit (single point failure test: UL60950)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Shorted resistor current limit",
"symbol": "I(OL_R-SHORT)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 0.095,
"max": null,
"conditions": "R(ILIM) = SHORT, shorted resistor current limit (single point failure test: UL60950)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Circuit breaker detection threshold",
"symbol": "I(CB)",
"kind": "electrical",
"unit": "A",
"min": 0.045,
"typ": 0.073,
"max": 0.11,
"conditions": "R(ILIM) = 120 kΩ, MODE = open",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Circuit breaker detection threshold",
"symbol": "I(CB)",
"kind": "electrical",
"unit": "A",
"min": 2,
"typ": 2.21,
"max": 2.4,
"conditions": "R(ILIM) = 5.36 kΩ, MODE = open",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Short-circuit current limit",
"symbol": "I(SCL)",
"kind": "electrical",
"unit": "A",
"min": 0.08,
"typ": 0.1,
"max": 0.12,
"conditions": "R(ILIM) = 120 kΩ, V(IN) – V(OUT) = 5 V",
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