component
TPS51219RTET
Public Made by Adomby adom
Texas Instruments DC-DC Converters, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "TPS51219RTET",
"brief": "Texas Instruments DC-DC Converters, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "TPS51219RTET",
"manufacturer": "Texas Instruments",
"package": "QFN-16-EP(3x3)",
"pin_count": 17,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps51219",
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"lcsc": "C2658034",
"digikey": "296-29742-2-ND",
"mouser": "595-TPS51219RTET"
},
"distributor_check": {
"checked_at": "2026-10-07T02:11:35Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-29742-2-ND",
"status": "found",
"lifecycle": "Active"
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},
"pins": [
{
"number": "1",
"name": "VREF",
"type": "power_in",
"description": "2.0-V ±0.8% internal voltage reference output with 300-µA drive capability for external resistor divider network."
},
{
"number": "2",
"name": "REFIN",
"type": "input",
"description": "Output voltage setting input programmed by resistor divider connected between VREF and GSNS within 0.5V to 2.0V range."
},
{
"number": "3",
"name": "GSNS",
"type": "input",
"description": "GND sense return input connected to quiet ground reference point of load; short to GND if remote sensing not used."
},
{
"number": "4",
"name": "VSNS",
"type": "input",
"description": "Voltage sense input connected to load voltage point for differential remote voltage feedback to error amplifier."
},
{
"number": "5",
"name": "COMP",
"type": "input",
"description": "Error amplifier output and compensation network connection point; capacitor connected from COMP to VSNS (D-CAP2) or output capacitor (D-CAP)."
},
{
"number": "6",
"name": "TRIP",
"type": "input",
"description": "Overcurrent threshold setting input sourcing 10µA at room temperature with 4700ppm/°C temperature coefficient for RDS(on) current sensing configuration."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Device analog ground reference; connect to quiet point on system ground plane with multiple vias."
},
{
"number": "8",
"name": "PGND",
"type": "power_in",
"description": "Power ground return for low-side synchronous MOSFET gate driver and positive input for current sensing; route close to device."
},
{
"number": "9",
"name": "V5",
"type": "power_in",
"description": "5V power supply input for internal circuits and MOSFET gate drivers; operating range 4.2V to 5.5V."
},
{
"number": "10",
"name": "DL",
"type": "output",
"description": "Low-side synchronous MOSFET gate driver output; directly drives gate of low-side power FET."
},
{
"number": "11",
"name": "DH",
"type": "output",
"description": "High-side synchronous MOSFET gate driver output; directly drives gate of high-side power FET with bootstrap charge."
},
{
"number": "12",
"name": "SW",
"type": "bidirectional",
"description": "Switching node connection for high-side gate driver return and RDS(on) current sense negative input referenced to PGND."
},
{
"number": "13",
"name": "BST",
"type": "input",
"description": "Bootstrap gate drive supply input for high-side driver; connect storage capacitor between BST and SW pins."
},
{
"number": "14",
"name": "EN",
"type": "input",
"description": "Enable control input with 3.3V I/O level compatibility and 100ns debounce; short to GND to disable device operation."
},
{
"number": "15",
"name": "MODE",
"type": "input",
"description": "Control mode selection input; resistor tied to GND sets D-CAP™/D-CAP2™ mode, switching frequency (300-670kHz), and current sensing scheme."
},
{
"number": "16",
"name": "PGOOD",
"type": "tri_state",
"description": "Open-drain power good output signal; asserts high when output voltage within ±8% (typ) of REFIN target range."
},
{
"number": "17",
"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-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Thermal pad specified in datasheet but has no specific pin number designation in the QFN-16-EP pinou",
"exposed pad 17 added from the footprint"
],
"pages_sent": 14,
"cost_usd": 0.122,
"at": "2026-10-07T02:11:18"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps51219",
"pages": 36,
"sha256": "d6e730c2602800ae",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint": "viewers/footprint.html"
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"role": "plain",
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"units": "mm",
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"sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
"checked": "2026-10-07",
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]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-16-EP(3x3)",
"Category": "Power Management (PMIC)",
"Pins": "17"
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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"discovery_pitch": "TPS51219RTET (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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