component
TPS53632GRSMT
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
tps53632grsmt: specified limits as data (metadata.characteristics, 72 rows from the datasheet)
3c45da4
16d ago
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{
"schema_version": 1,
"type": "component",
"slug": "tps53632grsmt",
"title": "TPS53632GRSMT",
"brief": "Texas Instruments DC-DC Converters, VQFN-32-EP(4x4). 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)",
"tps53632grsmt",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS53632GRSMT",
"manufacturer": "Texas Instruments",
"package": "VQFN-32-EP(4x4)",
"pin_count": 33,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps53632g",
"parts": {
"symbol": "tps53632grsmt.kicad_sym",
"footprint": "tps53632grsmt.kicad_mod",
"model_3d": "tps53632grsmt-hero.glb",
"model_3d_plain": "tps53632grsmt.glb",
"model_3d_step": "tps53632grsmt-etched.step",
"model_3d_step_plain": "tps53632grsmt.step",
"lbr": "tps53632grsmt.lbr"
},
"distributor_links": {
"lcsc": "C2868802",
"digikey": "296-44541-2-ND",
"mouser": "595-TPS53632GRSMT"
},
"distributor_check": {
"checked_at": "2026-10-11T11:20:31Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-44541-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS53632GRSMT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "SDA",
"type": "bidirectional",
"description": "Serial digital I/O line of the I2C interface; absolute maximum range is -0.3 V to 3.6 V."
},
{
"number": "2",
"name": "VDD",
"type": "power_in",
"description": "3.3-V digital power input, recommended 3.1 V to 3.5 V, bypassed to GND with at least 1 µF."
},
{
"number": "3",
"name": "PGOOD",
"type": "output",
"description": "Open-drain power-good output, recommended range -0.1 V to 3.5 V."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "5",
"name": "PWM-LO",
"type": "output",
"description": "PWM control for the external low-side driver at 5-V logic level; the controller forces the tri-state level when needed, with recommended range -0.1 V to 5.5 V."
},
{
"number": "6",
"name": "PWM-HI",
"type": "output",
"description": "PWM control for the external high-side driver at 5-V logic level; the controller forces the tri-state level when needed, with recommended range -0.1 V to 5.5 V."
},
{
"number": "7",
"name": "SKIP",
"type": "output",
"description": "When high the driver enters FCCM mode, otherwise DCM mode; driving the tri-state level puts the drivers into low-power sleep, with recommended range -0.1 V to 5.5 V."
},
{
"number": "8",
"name": "EN",
"type": "input",
"description": "Enable input with 100-ns de-bounce; when low the regulator enters low-power mode but retains start-up settings, with recommended range -0.1 V to 5.5 V."
},
{
"number": "9",
"name": "PU",
"type": "passive",
"description": "Pull-up to VREF through a 10-kΩ resistor."
},
{
"number": "10",
"name": "FREQ-P",
"type": "input",
"description": "A resistor to GND sets the per-phase switching frequency, and a resistor to VREF disables dynamic phase add and drop; recommended range -0.1 V to 5.5 V."
},
{
"number": "11",
"name": "RAMP",
"type": "input",
"description": "Voltage divider to VREF; a resistor to GND sets the ramp setting voltage and can override the factory ramp setting, with recommended range -0.1 V to 3.5 V."
},
{
"number": "12",
"name": "OCP-I",
"type": "bidirectional",
"description": "Voltage divider to IMON whose ratio sets the IMON gain; a resistor to GND (ROCP) selects one of 8 OCP levels per phase, latched at start-up."
},
{
"number": "13",
"name": "IMON",
"type": "output",
"description": "Analog current monitor output following VIMON = ΣVISENSE × (1 + RIMON/ROCP)."
},
{
"number": "14",
"name": "VINTF",
"type": "power_in",
"description": "Input voltage to the interface logic, which must be between 1.62 V and 3.5 V."
},
{
"number": "15",
"name": "SLEWA",
"type": "input",
"description": "Voltage sets the 3 LSBs of the I2C address and resistance to GND selects one of 8 slew rates, both latched at start-up; recommended range -0.1 V to 5.5 V."
},
{
"number": "16",
"name": "VBUS",
"type": "power_in",
"description": "Provides input voltage information to the on-time circuits of both converters; must not exceed 28 V."
},
{
"number": "17",
"name": "CSP1",
"type": "input",
"description": "Positive current sense input connected to the most positive node of the sense resistor or inductor DCR network; tie CSP2 or CSP1 to a 3.3-V supply to disable the CSP2 phase."
},
{
"number": "18",
"name": "CSN1",
"type": "input",
"description": "Negative current sense input connected to the most negative node of the sense network; it has a secondary OVP comparator and includes the soft-stop function."
},
{
"number": "19",
"name": "CSN2",
"type": "input",
"description": "Negative current sense input for phase 2, connected to the most negative node of the sense network; it includes the soft-stop pull-down transistor."
},
{
"number": "20",
"name": "CSP2",
"type": "input",
"description": "Positive current sense input for phase 2; tie CSP2 or CSP1 (in that order) to a 3.3-V supply to disable the CSP2 phase."
},
{
"number": "21",
"name": "PU3",
"type": "power_in",
"description": "Connect to the 3.3-V supply."
},
{
"number": "22",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "23",
"name": "GFB",
"type": "input",
"description": "Voltage sense return; tie to GND on the PCB through a 10-Ω resistor when the microprocessor is not populated, with absolute range -0.2 V to 0.2 V."
},
{
"number": "24",
"name": "VFB",
"type": "input",
"description": "Voltage sense line tied directly to the processor VOUT sense point, with more than 1 MΩ between VFB and GFB and absolute range -0.3 V to 3.6 V."
},
{
"number": "25",
"name": "DROOP",
"type": "output",
"description": "Error amplifier output; the resistor pair to VREF and to COMP sets the droop gain, ADROOP = 1 + RDROOP / RCOMP."
},
{
"number": "26",
"name": "COMP",
"type": "input",
"description": "Error amplifier summing node; RCOMP between VREF and COMP and RDROOP between COMP and DROOP set the droop gain."
},
{
"number": "27",
"name": "VREF",
"type": "power_out",
"description": "1.7-V, 500-µA reference, bypassed to GND with a 0.22-µF ceramic capacitor."
},
{
"number": "28",
"name": "V5A",
"type": "power_in",
"description": "5-V analog power input, recommended 4.5 V to 5.5 V, connected through a resistor to the 5-V plane and bypassed to GND with at least 1 µF ceramic."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Analog circuit reference; tie to a quiet point on the ground plane."
},
{
"number": "30",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "31",
"name": "SCL",
"type": "input",
"description": "Serial digital clock line of the I2C interface; absolute range -0.3 V to 3.6 V."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "33",
"name": "PAD",
"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 exposed thermal pad (PAD, listed as GND, tie to the ground plane with multiple vias) has no prin; The datasheet's pin table gives PU as type I, but its function is a pull-up to VREF through 10 kΩ; I; The soft-stop/pull-down sentence in the pin table is ambiguous: it reads 'CSN1 has a secondary OVP c",
"exposed pad 33 added from the footprint"
],
"pages_sent": 11,
"cost_usd": 0.0802,
"at": "2026-10-11T11:20:15"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps53632g",
"pages": 42,
"sha256": "2763a5aa2352d309",
"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": "tps53632grsmt.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.6
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tps53632grsmt-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.6
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "78cd5aed521428141faea4b8ad36b435a41e293d9eeffca9f9e875ea9803706a",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-32-EP(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "2763a5aa2352d309",
"rows": [
{
"name": "Input voltage V5A",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage VBUS",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage VDD",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage (COMP, CSP1, CSP2, CSN1, CSN2, DROOP, EN, FREQ-P, IMON, OCP-I, O-USR, RAMP, SCL, SDA, SLEWA, VFB, VINTF, VREF)",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage GFB",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.2,
"typ": null,
"max": 0.2,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage PGOOD",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage PWM-LO, PWM-HI, SKIP",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage V5A",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input voltage VBUS",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 28,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input voltage VDD",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 3.1,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input voltage (CSN1, CSN2, CSP1, CSP2, IMON, OCP-I, O-USR, RAMP, SCL, SDA, VFB, VINTF, VREF)",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input voltage (COMP, DROOP, EN, FREQ-P, SLEWA)",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage GFB",
"symbol": "VO",
"kind": "recommended_operating",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 0.1,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage PGOOD",
"symbol": "VO",
"kind": "recommended_operating",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage (PWM-LO, PWM-HI, SKIP)",
"symbol": "VO",
"kind": "recommended_operating",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -10,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "V5A supply current",
"symbol": "IV5-3P",
"kind": "electrical",
"unit": "mA",
"min": 3.6,
"typ": null,
"max": 6,
"conditions": "VDAC < VVFB < (VDAC + 100 mV), EN = 'HI'",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VDD supply current",
"symbol": "IVDD-3P",
"kind": "electrical",
"unit": "mA",
"min": 0.2,
"typ": null,
"max": 0.8,
"conditions": "VDAC < VVFB < (VDAC + 100 mV), EN = 'HI', digital buses idle",
"source_page": 6,
"source": "datasheet"
},
{
"name": "V5A standby current",
"symbol": "IV5STBY",
"kind": "electrical",
"unit": "",
"min": 125,
"typ": null,
"max": 200,
"conditions": "EN = 'LO'",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VDD standby current",
"symbol": "IVDDSTBY",
"kind": "electrical",
"unit": "µA",
"min": 23,
"typ": null,
"max": 40,
"conditions": "EN = 'LO'",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VINTF supply current",
"symbol": "IVDD-1P8",
"kind": "electrical",
"unit": "",
"min": 1.7,
"typ": null,
"max": 5,
"conditions": "All conditions, digital buses idle",
"source_page": 6,
"source": "datasheet"
},
{
"name": "V5A UVLO OK threshold",
"symbol": "VUVLOH",
"kind": "electrical",
"unit": "V",
"min": 4.2,
"typ": 4.4,
"max": 4.52,
"conditions": "VVFB < 200 mV, Ramp up, VVDD > 3 V, EN = 'HI', switching begins.",
"source_page": 6,
"source": "datasheet"
},
{
"name": "V5A UVLO fault threshold",
"symbol": "VUVLOL",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": 4.2,
"max": 4.35,
"conditions": "Ramp down, EN = 'HI', VVDD > 3 V, VVFB = 100 mV, restart if 5-V falls below VPOR then rises > VUVLOH, or EN is toggled w/ VV5A > VUVLOH",
"source_page": 6,
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