component
TPS23523PWR
Public Made by Adomby adom
Texas Instruments Surge Protection Devices (SPDs), TSSOP-16-175mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "TPS23523PWR",
"brief": "Texas Instruments Surge Protection Devices (SPDs), TSSOP-16-175mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"mpn": "TPS23523PWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-16-175mil",
"pin_count": 16,
"category": "Circuit Protection",
"subcategory": "Surge Protection Devices (SPDs)",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps23523.pdf",
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"lbr": "tps23523pwr.lbr"
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"distributor_links": {
"lcsc": "C5219037",
"digikey": "296-TPS23523PWRTR-ND",
"mouser": "595-TPS23523PWR"
},
"distributor_check": {
"checked_at": "2026-10-28T16:02:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-TPS23523PWRTR-ND",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "Neg48",
"type": "input",
"description": "Input to the OR-ing controller for the -48 feed; the TPS23523 regulates the drop from VEE to Neg48 to 25 mV to mimic an ideal diode."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connect to space high voltage pins."
},
{
"number": "3",
"name": "GATE2",
"type": "output",
"description": "Gate driver for the 2nd hot swap FET; NC if the feature is not used."
},
{
"number": "4",
"name": "BGATE",
"type": "output",
"description": "Gate driver for the OR-ing FET."
},
{
"number": "5",
"name": "VEE",
"type": "power_in",
"description": "This pin corresponds to the IC GND and provides Kelvin sense to the bottom of RSNS to ensure accurate current limit."
},
{
"number": "6",
"name": "SNS",
"type": "input",
"description": "Sense pin used to measure and regulate current, with Kelvin sense to RSNS for accurate current limits."
},
{
"number": "7",
"name": "GATE",
"type": "output",
"description": "Gate drive for the main hot swap FET."
},
{
"number": "8",
"name": "SS",
"type": "output",
"description": "Soft-start pin; connect a capacitor CSS between SS and -48V_OUT, where the dv/dt on -48V_OUT is proportional to the gate sourcing current divided by CSS."
},
{
"number": "9",
"name": "D",
"type": "input",
"description": "Senses the drain of the hot swap FET and programs the threshold where the hot swap switches between CL1 and CL2 through a resistor to the drain (-48V_OUT); pin current should be limited to < 1 mA through RD."
},
{
"number": "10",
"name": "TMR",
"type": "output",
"description": "Timer pin that programs the duration the hot swap FET can remain in current limit, set by a capacitor between TMR and VEE."
},
{
"number": "11",
"name": "OV",
"type": "input",
"description": "Input overvoltage comparator; a resistor divider programs the threshold where the device turns off on an overvoltage event."
},
{
"number": "12",
"name": "UVEN",
"type": "input",
"description": "Input undervoltage comparator; a resistor divider programs the threshold where the device turns on."
},
{
"number": "13",
"name": "VCC",
"type": "power_in",
"description": "Clamped supply pin, tied to RTN through a resistor; supply voltage is rated 0 to 20 V with current into VCC below 10 mA."
},
{
"number": "14",
"name": "PGb",
"type": "output",
"description": "Power Good Bar open-drain output that goes low when the hot swap is fully on and the DC/DC can draw full power; output voltage is rated up to 200 V absolute maximum."
},
{
"number": "15",
"name": "PROG",
"type": "input",
"description": "Adjusts current limit and fast trip threshold by tying to VEE, floating, or tying to VEE through a resistor."
},
{
"number": "16",
"name": "Vref",
"type": "power_in",
"description": "5 V reference output used to power current monitors and digital isolators, connected to the base of a BJT to generate a rail."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The hint says TSSOP-16-175mil, but the datasheet only states PW package, 16-pin TSSOP (5.00 mm x 4.4",
"1/16 pin names appear NOWHERE in the datasheet text: ['3:GATE2@p3']"
],
"pages_sent": 7,
"cost_usd": 0.0175,
"at": "2026-10-28T16:02:23"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tps23523.pdf",
"pages": 38,
"sha256": "341d988282de22e3",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TSSOP-16-175mil",
"Category": "Circuit Protection",
"Pins": "16"
}
},
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"discovery_pitch": "TPS23523PWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
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