component
TPS51222RTVR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
tps51222rtvr: specified limits as data (metadata.characteristics, 60 rows from the datasheet)
3ec13b2
17d ago
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{
"schema_version": 1,
"type": "component",
"slug": "tps51222rtvr",
"title": "TPS51222RTVR",
"brief": "Texas Instruments DC-DC Converters, WQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"tps51222rtvr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS51222RTVR",
"manufacturer": "Texas Instruments",
"package": "WQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps51222",
"parts": {
"symbol": "tps51222rtvr.kicad_sym",
"footprint": "tps51222rtvr.kicad_mod",
"model_3d": "tps51222rtvr-hero.glb",
"model_3d_plain": "tps51222rtvr.glb",
"model_3d_step": "tps51222rtvr-etched.step",
"model_3d_step_plain": "tps51222rtvr.step",
"lbr": "tps51222rtvr.lbr"
},
"distributor_links": {
"lcsc": "C2650310",
"digikey": "296-24130-2-ND",
"mouser": "595-TPS51222RTVR"
},
"distributor_check": {
"checked_at": "2026-10-11T07:27:11Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-24130-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS51222RTVR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "DRVH1",
"type": "output",
"description": "High-side MOSFET gate driver output for channel 1, rated source 1.7 Ω and sink 1.0 Ω, SW-node referenced floating driver whose drive voltage is VBST to SW."
},
{
"number": "2",
"name": "V5SW",
"type": "input",
"description": "Switchover supply input for VREG5; switchover is enabled when EN1 is high, PGOOD1 indicates good and V5SW is above 4.8 V, and VREG5 then sits approximately at the V5SW voltage."
},
{
"number": "3",
"name": "RF",
"type": "bidirectional",
"description": "Frequency setting pin: connect a frequency-setting resistor to signal GND, or connect an external clock for synchronization."
},
{
"number": "4",
"name": "EN1",
"type": "input",
"description": "Channel 1 and channel 2 SMPS enable pin: apply greater than 0.55 V and less than 6 V to turn on, connect to GND to disable, and attach the adjustable soft-start capacitance here."
},
{
"number": "5",
"name": "PGOOD1",
"type": "output",
"description": "Channel 1 powergood window comparator output; the recommended applied voltage is less than 6 V and the recommended pull-up resistance is 100 kΩ to 1 MΩ."
},
{
"number": "6",
"name": "SKIPSEL1",
"type": "input",
"description": "Skip mode selection: GND selects continuous conduction mode, VREF2 selects Auto Skip, VREG3 selects OOA Auto Skip with maximum 7 skips (suitable for fsw < 400 kHz), and VREG5 selects OOA Auto Skip with maximum 15 skips (suitable for fsw ≥ 400 kHz)."
},
{
"number": "7",
"name": "CSP1",
"type": "bidirectional",
"description": "Channel 1 current sense comparator non-inverting input; an RC network with a high-quality X5R or X7R ceramic capacitor extracts the DCR voltage drop, with 0.1 µF given as a good starting value."
},
{
"number": "8",
"name": "CSN1",
"type": "input",
"description": "Channel 1 current sense comparator inverting input; it also serves as the power supply for the current sense circuit at 5 V or higher output voltage settings and as the output discharge terminal."
},
{
"number": "9",
"name": "VFB1",
"type": "input",
"description": "Channel 1 SMPS voltage feedback input; connect the feedback resistor divider, referenced to signal GND."
},
{
"number": "10",
"name": "COMP1",
"type": "input",
"description": "Channel 1 error amplifier output for current mode loop compensation; connect R (and C if required) from this pin to VREF2."
},
{
"number": "11",
"name": "IMON1",
"type": "output",
"description": "Channel 1 current monitor output, with an RC filter recommended; the monitor output is 3.00 V typical at VCSP-VCSN = 60 mV (3.25 V max, 2.75 V min at 25°C)."
},
{
"number": "12",
"name": "EN",
"type": "input",
"description": "Enable pin for the VREF2 and VREG5 linear regulators: apply greater than 1.2 V and less than 6 V to turn on, and connect to GND to disable."
},
{
"number": "13",
"name": "VREF2",
"type": "power_out",
"description": "2-V reference output; bypass to signal GND with 0.22 µF of ceramic capacitance."
},
{
"number": "14",
"name": "IMON2",
"type": "output",
"description": "Channel 2 current monitor output, with an RC filter recommended."
},
{
"number": "15",
"name": "COMP2",
"type": "input",
"description": "Channel 2 error amplifier output for current mode loop compensation; connect R (and C if required) from this pin to VREF2."
},
{
"number": "16",
"name": "VFB2",
"type": "input",
"description": "Channel 2 SMPS voltage feedback input; connect the feedback resistor divider, referenced to signal GND."
},
{
"number": "17",
"name": "CSN2",
"type": "input",
"description": "Channel 2 current sense comparator inverting input; it also serves as the power supply for the current sense circuit at 5 V or higher output voltage settings and as the output discharge terminal."
},
{
"number": "18",
"name": "CSP2",
"type": "bidirectional",
"description": "Channel 2 current sense comparator non-inverting input; an RC network with a high-quality X5R or X7R ceramic capacitor extracts the DCR voltage drop, with 0.1 µF given as a good starting value."
},
{
"number": "19",
"name": "SKIPSEL2",
"type": "input",
"description": "Skip mode selection: GND selects continuous conduction mode, VREF2 selects Auto Skip, VREG3 selects OOA Auto Skip with maximum 7 skips (suitable for fsw < 400 kHz), and VREG5 selects OOA Auto Skip with maximum 15 skips (suitable for fsw ≥ 400 kHz)."
},
{
"number": "20",
"name": "PGOOD2",
"type": "output",
"description": "Channel 2 powergood window comparator output; the recommended applied voltage is less than 6 V and the recommended pull-up resistance is 100 kΩ to 1 MΩ."
},
{
"number": "21",
"name": "EN2",
"type": "input",
"description": "Channel 1 and channel 2 SMPS enable pin: apply greater than 0.55 V and less than 6 V to turn on, connect to GND to disable, and attach the adjustable soft-start capacitance here."
},
{
"number": "22",
"name": "VREG3",
"type": "power_out",
"description": "Always-alive 3.3 V, 10 mA low dropout linear regulator output; bypass to signal GND with more than 1 µF of ceramic capacitance, running from VIN or from VREG5 when switched over to V5SW."
},
{
"number": "23",
"name": "VIN",
"type": "power_in",
"description": "Supply input for the 5 V and 3.3 V linear regulators, typically connected to VBAT; recommended supply voltage range is 4.5 V to 32 V."
},
{
"number": "24",
"name": "DRVH2",
"type": "output",
"description": "High-side MOSFET gate driver output for channel 2, rated source 1.7 Ω and sink 1.0 Ω, SW-node referenced floating driver whose drive voltage is VBST to SW."
},
{
"number": "25",
"name": "SW2",
"type": "bidirectional",
"description": "High-side MOSFET gate driver return for channel 2 (switch node reference for DRVH2 and VBST2)."
},
{
"number": "26",
"name": "VBST2",
"type": "input",
"description": "Boot strap supply input for the channel 2 high-side N-channel driver; connect a capacitor of 0.1 µF or greater from this pin to SW2, with an optional Schottky diode from VREG5 to this pin."
},
{
"number": "27",
"name": "DRVL2",
"type": "output",
"description": "Channel 2 low-side MOSFET gate driver output, rated source 1.3 Ω and sink 0.7 Ω, GND referenced."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "29",
"name": "VREG5",
"type": "power_out",
"description": "5 V, 100 mA low dropout linear regulator output, bypassed to power GND with a 10 µF ceramic capacitor; runs from VIN, shuts off with EN, and switches over to V5SW when 4.8 V or above is provided."
},
{
"number": "30",
"name": "DRVL1",
"type": "output",
"description": "Channel 1 low-side MOSFET gate driver output, rated source 1.3 Ω and sink 0.7 Ω, GND referenced."
},
{
"number": "31",
"name": "VBST1",
"type": "input",
"description": "Boot strap supply input for the channel 1 high-side N-channel driver; connect a capacitor of 0.1 µF or greater from this pin to SW1, with an optional Schottky diode from VREG5 to this pin."
},
{
"number": "32",
"name": "SW1",
"type": "bidirectional",
"description": "High-side MOSFET gate driver return for channel 1 (switch node reference for DRVH1 and VBST1)."
},
{
"number": "33",
"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 pin-function table marks these pins as I/O; they are mapped to KiCad 'bidirectional'. The text d; The IMON1 description includes the current monitor electrical spec from the Electrical Characteristi; The 4.5 V to 32 V range is taken from the recommended operating conditions table (page 3), not from ",
"exposed pad 33 added from the footprint"
],
"pages_sent": 9,
"cost_usd": 0.0801,
"at": "2026-10-11T07:26:56"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps51222",
"pages": 45,
"sha256": "287579365d9552a4",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tps51222rtvr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tps51222rtvr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
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0.875
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b14fb0a44b12f178b2e46d734936b00225f8726953bd629fb659c703beeecabd",
"checked": "2026-10-11",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-32-EP(5x5)",
"Category": "Power Management (PMIC)",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "287579365d9552a4",
"rows": [
{
"name": "VIN shutdown current",
"symbol": "I(VINSDN)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 7,
"max": 15,
"conditions": "TA = 25°C, No Load, EN = 0V, V5SW = 0 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN standby current",
"symbol": "I(VINSTBY)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 80,
"max": 120,
"conditions": "TA = 25°C, No Load, EN1 = EN2 = V5SW = 0 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREF2 output voltage",
"symbol": "V(VREF2)",
"kind": "electrical",
"unit": "V",
"min": 1.98,
"typ": 2,
"max": 2.02,
"conditions": "I(VREF2) < ±10 µA, TA = 25°C",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG3 output voltage",
"symbol": "V(VREG3)",
"kind": "electrical",
"unit": "V",
"min": 3.279,
"typ": 3.313,
"max": 3.347,
"conditions": "V5SW = 0 V, I(VREG3) = 0 mA, TA = 25°C",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG3 output voltage",
"symbol": "V(VREG3)",
"kind": "electrical",
"unit": "V",
"min": 3.135,
"typ": 3.3,
"max": 3.4,
"conditions": "V5SW = 0 V, 0 mA < I(VREG3) < 10 mA, 5.5 V < VIN < 32 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG3 output current",
"symbol": "I(VREG3)",
"kind": "electrical",
"unit": "mA",
"min": 10,
"typ": 15,
"max": 20,
"conditions": "VREG3 = 3 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG5 output voltage",
"symbol": "V(VREG5)",
"kind": "electrical",
"unit": "V",
"min": 4.99,
"typ": 5.04,
"max": 5.09,
"conditions": "V5SW = 0 V, I(VREG5) = 0 mA, TA = 25°C",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG5 output voltage",
"symbol": "V(VREG5)",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": 5.03,
"max": 5.15,
"conditions": "V5SW = 0 V, 0 mA < I(VREG5) < 100 mA, 6 V < VIN < 32 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG5 output voltage",
"symbol": "V(VREG5)",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": 5.03,
"max": 5.15,
"conditions": "V5SW = 0 V, 0 mA < I(VREG5) < 100 mA, 5.5 V < VIN < 32 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG5 output current",
"symbol": "I(VREG5)",
"kind": "electrical",
"unit": "mA",
"min": 100,
"typ": 150,
"max": 200,
"conditions": "V5SW = 0 V, VREG5 = 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VREG5 output current (V5SW supplied)",
"symbol": "I(VREG5)",
"kind": "electrical",
"unit": "mA",
"min": 200,
"typ": 300,
"max": 400,
"conditions": "V5SW = 5 V, VREG5 = 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Switchover threshold",
"symbol": "V(THV5SW)",
"kind": "electrical",
"unit": "V",
"min": 4.55,
"typ": 4.7,
"max": 4.8,
"conditions": "Turning on",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VFB regulation voltage",
"symbol": "V(VFB)",
"kind": "tolerance",
"unit": "V",
"min": 0.9925,
"typ": 1,
"max": 1.0075,
"conditions": "TA = 25°C, No Load",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VFB regulation voltage over temperature",
"symbol": "V(VFB)",
"kind": "tolerance",
"unit": "V",
"min": 0.99,
"typ": 1,
"max": 1.01,
"conditions": "TA = –40°C to 85°C, No Load",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VFB input current",
"symbol": "I(VFB)",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "VFBx = 1.05 V, COMPx = 1.8 V, TA = 25°C",
"source_page": 4,
"source": "datasheet"
},
{
"name": "COMP clamp voltage",
"symbol": "VCOMP",
"kind": "electrical",
"unit": "V",
"min": 2.18,
"typ": 2.22,
"max": 2.26,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "COMP negative clamp voltage",
"symbol": "VCOMPN",
"kind": "electrical",
"unit": "V",
"min": 1.73,
"typ": 1.77,
"max": 1.81,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PG threshold, PG in from lower",
"symbol": "V(THPG)",
"kind": "electrical",
"unit": "%",
"min": 92.5,
"typ": 95,
"max": 97.5,
"conditions": "PG in from lower",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PG threshold, PG in from higher",
"symbol": "V(THPG)",
"kind": "electrical",
"unit": "%",
"min": 102.5,
"typ": 105,
"max": 107.5,
"conditions": "PG in from higher",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PGOOD delay",
"symbol": "t(PGDLY)",
"kind": "electrical",
"unit": "ms",
"min": 0.8,
"typ": 1,
"max": 1.2,
"conditions": "Delay for PG in",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Switching frequency",
"symbol": "f(SW)",
"kind": "electrical",
"unit": "kHz",
"min": 273,
"typ": 303,
"max": 333,
"conditions": "Rf = 330 kΩ",
"source_page": 5,
"source": "datasheet"
},
{
"name": "RF threshold",
"symbol": "V(THRF)",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": 1.3,
"max": 2,
"conditions": "Lo to Hi",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DRVH-off to DRVL-on dead time",
"symbol": "tD",
"kind": "timing",
"unit": "ns",
"min": 10,
"typ": 30,
"max": 50,
"conditions": "DRVH-off to DRVL-on",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current limit threshold",
"symbol": "V(OCL)",
"kind": "electrical",
"unit": "mV",
"min": 55,
"typ": 60,
"max": 68,
"conditions": "2 V < VCSNx < 12.6 V, TA = –40 to 85°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current limit threshold",
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