component
TPS51116PWPR
Public Made by Adomby adom
Texas Instruments DC-DC Controllers, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "tps51116pwpr",
"version": "0.1.0",
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"description": "Texas Instruments DC-DC Controllers, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "TPS51116PWPR",
"manufacturer": "Texas Instruments",
"package": "HTSSOP-20-EP",
"pin_count": 21,
"category": "Power Management ICs",
"subcategory": "DC-DC Controllers",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps51116pwpr.pdf",
"parts": {
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"lbr": "tps51116pwpr.lbr"
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"distributor_links": {
"lcsc": "C414617",
"digikey": "296-26972-2-ND",
"mouser": "595-TPS51116PWPR"
},
"distributor_check": {
"checked_at": "2026-10-31T03:14:11Z",
"source": "Component Ocean /api/assign-pns",
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"status": "found",
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"pins": [
{
"number": "1",
"name": "VLDOIN",
"type": "input",
"description": "Power supply input for the VTT LDO, with a recommended range of -0.1 V to 3.6 V and an absolute maximum of 6 V."
},
{
"number": "2",
"name": "VTT",
"type": "power_out",
"description": "Power output of the VTT LDO, which can sink and source 3 A and requires 20 µF (2 × 10 µF) of ceramic output capacitance."
},
{
"number": "3",
"name": "VTTGND",
"type": "power_in",
"description": "Power ground output for the VTT LDO, with a recommended range of -0.1 V to 0.1 V."
},
{
"number": "4",
"name": "VTTSNS",
"type": "input",
"description": "Voltage sense input for the VTT LDO, which connects to the plus terminal of the VTT LDO output capacitor, with a recommended range of -0.1 V to 3.6 V."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Signal ground, which connects to the negative terminal of the VTT LDO output capacitor."
},
{
"number": "6",
"name": "MODE",
"type": "input",
"description": "Discharge mode setting pin: V5IN selects no discharge, VDDQ selects tracking discharge, and GND selects non-tracking discharge, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "7",
"name": "VTTREF",
"type": "output",
"description": "Buffered VTTREF reference output rated for ±10 mA, with a recommended range of -0.1 V to 1.8 V."
},
{
"number": "8",
"name": "COMP",
"type": "bidirectional",
"description": "Output of the transconductance amplifier for phase compensation; connecting it to V5IN disables the gM amplifier and selects D-CAP mode, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "9",
"name": "VDDQSNS",
"type": "bidirectional",
"description": "VDDQ reference input for VTT and VTTREF, power supply for VTTREF, and output voltage feedback input when VDDQSET is connected to V5IN or GND, with a recommended range of -0.1 V to 3.6 V."
},
{
"number": "10",
"name": "VDDQSET",
"type": "input",
"description": "VDDQ output voltage setting pin, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "11",
"name": "S3",
"type": "input",
"description": "S3 signal input, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "12",
"name": "S5",
"type": "input",
"description": "S5 signal input, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "13",
"name": "PGOOD",
"type": "output",
"description": "Powergood open-drain output that is high when the VDDQ output is within its target range, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "14",
"name": "V5IN",
"type": "input",
"description": "5-V power supply input for the internal circuits and MOSFET gate drivers, with a recommended supply range of 4.75 V to 5.25 V."
},
{
"number": "15",
"name": "CS",
"type": "bidirectional",
"description": "Current sense comparator input (-) for resistor current sensing, or overcurrent trip voltage setting input for RDS(on) sensing when connected to V5IN through a voltage setting resistor, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "16",
"name": "PGND",
"type": "power_in",
"description": "Ground for the low-side MOSFET gate driver, and also the current sense comparator input (+) and powergood circuit ground in the PWP package, with a recommended range of -0.1 V to 0.1 V."
},
{
"number": "17",
"name": "DRVL",
"type": "output",
"description": "Rectifying (low-side) MOSFET gate-drive output, with a recommended range of -0.1 V to 5.25 V."
},
{
"number": "18",
"name": "LL",
"type": "bidirectional",
"description": "Switching (high-side) MOSFET gate driver return and current sense comparator input (-) for RDS(on) sensing, with a recommended range of -0.6 V to 28 V."
},
{
"number": "19",
"name": "DRVH",
"type": "output",
"description": "Switching (high-side) MOSFET gate-drive output, with a recommended range of -0.1 V to 34 V."
},
{
"number": "20",
"name": "VBST",
"type": "bidirectional",
"description": "Bootstrap voltage input for the switching (high-side) MOSFET driver, with a recommended range of -0.1 V to 34 V and an absolute maximum of 6 V relative to LL."
},
{
"number": "21",
"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": {
"factory": "2.0.0",
"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 datasheet's pin table gives no pin number for the exposed PowerPAD thermal pad, so it is not inc; CS_GND, NC and V5FILT appear in the pin table only for the 24-pin RGE QFN and are not part of the PW; Pin types for VTTGND, GND and PGND are set to power_in per the ground-pin rule; VTT is set to power_",
"exposed pad 21 added from the footprint"
],
"pages_sent": 17,
"cost_usd": 0.0952,
"at": "2026-10-31T03:13:49"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tps51116pwpr.pdf",
"pages": 49,
"sha256": "226d379a4865de90",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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}