component
TPS51124RGER
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "tps51124rger",
"title": "TPS51124RGER",
"brief": "Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "TPS51124RGER",
"manufacturer": "Texas Instruments",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps51124",
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"lcsc": "C51385",
"digikey": "296-26976-2-ND",
"mouser": "595-TPS51124RGER"
},
"distributor_check": {
"checked_at": "2026-10-07T07:32:54Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-26976-2-ND",
"status": "found",
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"pins": [
{
"number": "1",
"name": "VO1",
"type": "input",
"description": "Channel 1 output connection for feedback and discharge control."
},
{
"number": "2",
"name": "VFB1",
"type": "input",
"description": "Channel 1 voltage feedback input; connect with resistor divider from output to GND."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Signal ground reference for control circuit."
},
{
"number": "4",
"name": "TONSEL",
"type": "input",
"description": "On-time frequency selection input pin."
},
{
"number": "5",
"name": "VFB2",
"type": "input",
"description": "Channel 2 voltage feedback input; connect with resistor divider from output to GND."
},
{
"number": "6",
"name": "VO2",
"type": "input",
"description": "Channel 2 output connection for feedback and discharge control."
},
{
"number": "7",
"name": "PGOOD2",
"type": "output",
"description": "Channel 2 power-good open-drain output (5 mA capability); goes high 0.5 ms after VFB within limits and low within 10 μs on fault."
},
{
"number": "8",
"name": "EN2",
"type": "input",
"description": "Channel 2 enable input; connect to 5 V or 3.3 V to turn on SMPS."
},
{
"number": "9",
"name": "VBST2",
"type": "power_in",
"description": "Channel 2 high-side driver boost supply with internal PN diode from V5IN; connect capacitor to LL2."
},
{
"number": "10",
"name": "DRVH2",
"type": "output",
"description": "Channel 2 high-side gate driver output with floating reference to LL2; gate voltage defined by VBST2 to LL2 capacitor."
},
{
"number": "11",
"name": "LL2",
"type": "bidirectional",
"description": "Channel 2 switch node connection for high-side driver return; serves as feedback to current comparators and on-time control."
},
{
"number": "12",
"name": "DRVL2",
"type": "output",
"description": "Channel 2 low-side gate driver output referenced to PGND; gate voltage defined by V5IN."
},
{
"number": "13",
"name": "PGND2",
"type": "power_in",
"description": "Channel 2 power ground return for low-side drivers and current comparator input; output discharge current flows through this pin."
},
{
"number": "14",
"name": "TRIP2",
"type": "input",
"description": "Channel 2 overcurrent trip threshold input; connect resistor to GND to set RDS(on) sense voltage."
},
{
"number": "15",
"name": "V5FILT",
"type": "power_in",
"description": "Filtered 5 V supply for control circuit except gate drivers; connect RC low-pass filter from V5IN."
},
{
"number": "16",
"name": "V5IN",
"type": "power_in",
"description": "5 V supply for FET gate drivers from 4.5 V to 5.5 V; internally connected to VBSTx via PN diodes."
},
{
"number": "17",
"name": "TRIP1",
"type": "input",
"description": "Channel 1 overcurrent trip threshold input; connect resistor to GND to set RDS(on) sense voltage."
},
{
"number": "18",
"name": "PGND1",
"type": "power_in",
"description": "Channel 1 power ground return for low-side drivers and current comparator input; output discharge current flows through this pin."
},
{
"number": "19",
"name": "DRVL1",
"type": "output",
"description": "Channel 1 low-side gate driver output referenced to PGND; gate voltage defined by V5IN."
},
{
"number": "20",
"name": "LL1",
"type": "bidirectional",
"description": "Channel 1 switch node connection for high-side driver return; serves as feedback to current comparators and on-time control."
},
{
"number": "21",
"name": "DRVH1",
"type": "output",
"description": "Channel 1 high-side gate driver output with floating reference to LL1; gate voltage defined by VBST1 to LL1 capacitor."
},
{
"number": "22",
"name": "VBST1",
"type": "power_in",
"description": "Channel 1 high-side driver boost supply with internal PN diode from V5IN; connect capacitor to LL1."
},
{
"number": "23",
"name": "EN1",
"type": "input",
"description": "Channel 1 enable input; connect to 5 V or 3.3 V to turn on SMPS."
},
{
"number": "24",
"name": "PGOOD1",
"type": "output",
"description": "Channel 1 power-good open-drain output (5 mA capability); goes high 0.5 ms after VFB within limits and low within 10 μs on fault."
},
{
"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-haiku-4-5-20251001",
"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": 8,
"cost_usd": 0.1334,
"at": "2026-10-07T07:32:37"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps51124",
"pages": 29,
"sha256": "d4b93b07db96842d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-07",
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{
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24-EP(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "25"
}
},
"variants": [],
"sections": [
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"author": {
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"email": "[email protected]"
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