component
TPS65287RHAR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "tps65287rhar",
"title": "TPS65287RHAR",
"brief": "Texas Instruments DC-DC Converters, VQFN-40-EP(6x6). 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 ics",
"tps65287rhar",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS65287RHAR",
"manufacturer": "Texas Instruments",
"package": "VQFN-40-EP(6x6)",
"pin_count": 41,
"category": "Power Management ICs",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/lit/ds/symlink/tps65287rhar.pdf",
"parts": {
"symbol": "tps65287rhar.kicad_sym",
"footprint": "tps65287rhar.kicad_mod",
"model_3d": "tps65287rhar-hero.glb",
"model_3d_plain": "tps65287rhar-etched.glb",
"model_3d_step": "tps65287rhar-etched.step",
"model_3d_step_plain": "tps65287rhar.step",
"lbr": "tps65287rhar.lbr"
},
"distributor_links": {
"lcsc": "C2071508",
"digikey": "296-52050-2-ND",
"mouser": "595-TPS65287RHAR"
},
"distributor_check": {
"checked_at": "2026-10-31T12:23:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-52050-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS65287RHAR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "RLIM3",
"type": "input",
"description": "Current limit setting for Buck3; a resistor to ground sets the peak current limit on the output inductor."
},
{
"number": "2",
"name": "SS3",
"type": "input",
"description": "Soft start pin for Buck3; a small ceramic capacitor sets the converter soft start time."
},
{
"number": "3",
"name": "COMP3",
"type": "output",
"description": "Compensation for Buck3; a series RC circuit completes the converter compensation."
},
{
"number": "4",
"name": "FB3",
"type": "input",
"description": "Feedback pin for Buck3; connect a divider set to 0.8 V from the converter output to ground."
},
{
"number": "5",
"name": "PB_IN",
"type": "input",
"description": "Push button input (active low)."
},
{
"number": "6",
"name": "ROSC",
"type": "input",
"description": "Oscillator set; the resistor sets the frequency of the internal autonomous clock."
},
{
"number": "7",
"name": "FB1",
"type": "input",
"description": "Feedback pin for Buck1; connect a divider set to 0.8 V from the converter output to ground."
},
{
"number": "8",
"name": "COMP1",
"type": "output",
"description": "Compensation pin for Buck1; a series RC circuit completes the converter compensation."
},
{
"number": "9",
"name": "SS1",
"type": "input",
"description": "Soft-start pin for Buck1; a small ceramic capacitor sets the converter soft-start time."
},
{
"number": "10",
"name": "RLIM1",
"type": "input",
"description": "Current limit setting pin for Buck1; a resistor to ground sets the peak current limit on the output inductor."
},
{
"number": "11",
"name": "EN1",
"type": "input",
"description": "Enable pin for Buck1; a high signal enables the regulator, and a small capacitor to ground adds delayed start-up."
},
{
"number": "12",
"name": "BST1",
"type": "passive",
"description": "Bootstrap capacitor for Buck1; fit a 47-nF ceramic capacitor from this pin to the switching node."
},
{
"number": "13",
"name": "VIN1",
"type": "power_in",
"description": "Input supply for Buck1; fit a 10-µF ceramic capacitor close to this pin."
},
{
"number": "14",
"name": "LX1",
"type": "output",
"description": "Switching node for Buck1."
},
{
"number": "15",
"name": "LX1",
"type": "output",
"description": "Switching node for Buck1."
},
{
"number": "16",
"name": "LX2",
"type": "output",
"description": "Switching node for Buck2."
},
{
"number": "17",
"name": "LX2",
"type": "output",
"description": "Switching node for Buck2."
},
{
"number": "18",
"name": "VIN2",
"type": "power_in",
"description": "Input supply for Buck2; fit a 10-µF ceramic capacitor close to this pin."
},
{
"number": "19",
"name": "BST2",
"type": "passive",
"description": "Bootstrap capacitor for Buck2; fit a 47-nF ceramic capacitor from this pin to the switching node."
},
{
"number": "20",
"name": "EN2",
"type": "input",
"description": "Enable pin for Buck2; a high signal enables the regulator, and a small capacitor to ground adds delayed start-up."
},
{
"number": "21",
"name": "RLIM2",
"type": "input",
"description": "Current limit setting pin for Buck2; a resistor to ground sets the peak current limit on the output inductor."
},
{
"number": "22",
"name": "SS2",
"type": "input",
"description": "Soft-start pin for Buck2; a small ceramic capacitor sets the converter soft-start time."
},
{
"number": "23",
"name": "COMP2",
"type": "output",
"description": "Compensation pin for Buck2; a series RC circuit completes the converter compensation."
},
{
"number": "24",
"name": "FB2",
"type": "input",
"description": "Feedback input for Buck2; connect a divider set to 0.8 V from the converter output to ground."
},
{
"number": "25",
"name": "F_PWM",
"type": "input",
"description": "Forces PWM operation in all converters when high; when low the converters operate in automatic PFM/PWM mode."
},
{
"number": "26",
"name": "INT",
"type": "output",
"description": "Open drain interrupt output."
},
{
"number": "27",
"name": "PGOOD",
"type": "output",
"description": "Power good open drain output, asserted after all converters are sequenced and within regulation; polarity is factory selectable (active high default)."
},
{
"number": "28",
"name": "V7V",
"type": "power_out",
"description": "Internal supply; connect a 4.7-µF to 10-µF ceramic capacitor from this pin to ground."
},
{
"number": "29",
"name": "V3V",
"type": "power_out",
"description": "Internal supply; connect a 3.3-µF to 10-µF ceramic capacitor from this pin to ground."
},
{
"number": "30",
"name": "RSET",
"type": "input",
"description": "Sets the USB current limit by an external resistor to ground; connect to ground for the default 1.2 A limit."
},
{
"number": "31",
"name": "IC",
"type": "input",
"description": "This pin should be connected to the V7V pin."
},
{
"number": "32",
"name": "USB_VIN",
"type": "power_in",
"description": "USB switch input supply."
},
{
"number": "33",
"name": "USB_VO",
"type": "power_out",
"description": "USB switch output."
},
{
"number": "34",
"name": "USB_EN",
"type": "input",
"description": "Enable input for the USB switch; high turns on the switch."
},
{
"number": "35",
"name": "USB_nFAULT",
"type": "output",
"description": "USB fault flag output, open drain, active low, asserted when an overcurrent or overtemperature condition is detected in the switch."
},
{
"number": "36",
"name": "LX3",
"type": "output",
"description": "Switching node for Buck3."
},
{
"number": "37",
"name": "LX3",
"type": "output",
"description": "Switching node for Buck3."
},
{
"number": "38",
"name": "VIN3",
"type": "power_in",
"description": "Input supply for Buck3; fit a 10-µF ceramic capacitor close to this pin."
},
{
"number": "39",
"name": "BST3",
"type": "passive",
"description": "Bootstrap capacitor for Buck3; fit a 47-nF ceramic capacitor from this pin to the switching node."
},
{
"number": "40",
"name": "EN3",
"type": "input",
"description": "Enable pin for Buck3; a high signal enables the converter, and a small capacitor to ground adds delayed start-up."
},
{
"number": "41",
"name": "PowerPAD",
"type": "power_in",
"description": "PowerPAD; connect to system ground for electrical and thermal connection."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-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 PowerPAD has no pin number printed in the datasheet. I used '41' as a placeholder number; The datasheet gives only I/O direction for each pin, not an ERC class. I mapped bootstrap pins to pa; The pin table text is garbled in places because the extraction merged columns, for example the BST p",
"1/41 pins cited to the wrong page (name found elsewhere): ['41:PowerPAD@p7']"
],
"pages_sent": 11,
"cost_usd": 0.1549,
"at": "2026-10-31T12:23:42"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tps65287rhar.pdf",
"pages": 34,
"sha256": "7e1011498480df3d",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tps65287rhar.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tps65287rhar-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "644ac9b20f7af34f13ddffe71f9ab232552f20279698f11c0c257d89f07612ea",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "RHA0040E",
"source_page": 31,
"D": {
"nom_mm": 6,
"range_mm": [
5.85,
6.15
]
},
"E1": {
"nom_mm": 6,
"range_mm": [
5.85,
6.15
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.9,
"range_mm": [
0.8,
1
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "tps65287rhar.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-40-EP(6x6)",
"Category": "Power Management ICs",
"Pins": "41"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "7e1011498480df3d439062af843e19da9b3a7ea921aa08663bcdb60a60e37edc",
"rows": [
{
"name": "Voltage range at VIN1, VIN2, VIN3, LX1, LX2, LX3",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Voltage range at LX1, LX2, LX3 (transient <10 ns)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -3,
"typ": null,
"max": 20,
"conditions": "maximum withstand voltage transient < 10 ns",
"source_page": 7,
"source": "datasheet"
},
{
"name": "BST1/2/3 voltage referenced to LX",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Voltage at V7V, COMPx, USB_VIN, USB_VO, USB_EN, USB_nFAULT, PB_IN, INT, PGOOD",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Voltage at V3V, RLIMx, ENx, SSx, FBx, ROSC, F_PWM, RSET",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Voltage at GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input operating voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Junction temperature (labelled TA)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "ESD HBM, PB_IN pin to ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "Human body model, PB_IN pin to ground",
"source_page": 7,
"source": "datasheet"
},
{
"name": "ESD CDM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 500,
"conditions": "Charge device model",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance, RHA",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 30,
"max": null,
"conditions": "JEDEC 51.5 high K board",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input voltage range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Shutdown current",
"symbol": "IDDSDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 180,
"conditions": "EN pin = low for all converters",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Quiescent current, converters enabled, no load",
"symbol": "IDDQ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 700,
"conditions": "Converters enabled, no load, Buck1=1.2 V, Buck2=1.8 V, Buck3=3.3 V, TA=25°C, F_PWM=Low (push-button pull-up current not included)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Quiescent current, forced PWM",
"symbol": "IDDQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 24,
"max": null,
"conditions": "Converters enabled, no load, F_PWM = High",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VIN UVLO rising",
"symbol": "UVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.22,
"max": null,
"conditions": "Rising VIN",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VIN UVLO falling",
"symbol": "UVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.1,
"max": null,
"conditions": "Falling VIN",
"source_page": 8,
"source": "datasheet"
},
{
"name": "UVLO deglitch",
"symbol": "UVLODEGLITCH",
"kind": "electrical",
"unit": "µs",
"min": null,
"typ": 110,
"max": null,
"conditions": "Both edges",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Internal biasing supply",
"symbol": "V3p3",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 3.3,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Internal biasing supply",
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"unit": "V",
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"name": "V7V UVLO rising",
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"min": null,
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"name": "V7V UVLO falling",
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"min": null,
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"name": "V7V UVLO deglitch",
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"min": null,
"typ": 120,
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{
"name": "Enable threshold high (x V3p3)",
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{
"name": "Pull up current enable pin",
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"typ": 4,
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"name": "Discharge time enable pins",
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"name": "Soft-start pin current source",
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"typ": 5,
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"name": "Converter switching frequency range",
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"unit": "MHz",
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"typ": null,
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"name": "Internal oscillator accuracy",
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"unit": "%",
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"typ": null,
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"name": "Feedback voltage",
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"unit": "V",
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"name": "Feedback voltage",
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"unit": "V",
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"unit": "ns",
"min": null,
"typ": 135,
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"name": "Peak inductor current limit range Buck1",
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"unit": "A",
"min": 0.75,
"typ": null,
"max": 4,
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"source_page": 8,
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"name": "Peak inductor current limit range Buck2",
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"unit": "A",
"min": 0.75,
"typ": null,
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"name": "Peak inductor current limit range Buck3",
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"typ": null,
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"unit": "mΩ",
"min": null,
"typ": 95,
"max": null,
"conditions": "H.S. Switch 25°C, BOOT = 6.5 V",
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"unit": "mΩ",
"min": null,
"typ": 50,
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"typ": 80,
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"min": null,
"typ": 120,
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"name": "Low side FET on resistance CH3",
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"typ": 80,
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"name": "Error amplifier transconductance",
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"min": null,
"typ": 130,
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"name": "Buck UV threshold, output falling",
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"kind": "electrical",
"unit": "%",
"min": null,
"typ": 85,
"max": null,
"conditions": "Output falling",
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"name": "Buck UV threshold, output rising",
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"unit": "%",
"min": null,
"typ": 90,
"max": null,
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"name": "Power good deglitch time",
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"unit": "ms",
"min": null,
"typ": 11,
"max": null,
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{
"name": "Hiccup mode ON time",
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"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 14,
"max": null,
"conditions": "VUVBUCKX asserted",
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"name": "Hiccup mode OFF time",
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"unit": "ms",
"min": null,
"typ": 20,
"max": null,
"conditions": "All converters disabled",
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"source": "datasheet"
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{
"name": "Buck OV threshold, output rising",
"symbol": "VOVBUCKX",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 106,
"max": null,
"conditions": "Output rising (high side FET will be forced off)",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Buck OV threshold, output falling",
"symbol": "VOVBUCKX",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 104,
"max": null,
"conditions": "Output falling (high side FET will be allowed to switch)",
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{
"name": "Minimum reset period",
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"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 100,
"max": null,
"conditions": "Measured after the later of Buck1 or Buck3 power-up successfully",
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"name": "PB_IN internal de-bounce time",
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"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 20,
"max": null,
"conditions": "turn_on and turn_off",
"source_page": 9,
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"name": "USB input voltage range",
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"kind": "electrical",
"unit": "V",
"min": 2.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 9,
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"name": "USB switch static on-state resistance",
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"min": null,
"typ": 135,
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"name": "USB current limit threshold",
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"unit": "A",
"min": 1.65,
"typ": 1.76,
"max": 1.87,
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"name": "USB current limit threshold",
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"unit": "A",
"min": 1.18,
"typ": 1.26,
"max": 1.34,
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"name": "USB current limit threshold",
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"min": 0.47,
"typ": 0.5,
"max": 0.53,
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"name": "USB_nFAULT output voltage low",
"symbol": "VUSB_nFAULT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 150,
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"name": "USB turn-on delay time",
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"unit": "ms",
"min": null,
"typ": 1.1,
"max": null,
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"source_page": 10,
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"name": "USB turn-off delay time",
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"typ": 1.6,
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"min": null,
"typ": 20,
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"min": null,
"typ": 160,
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"unit": "°C",
"min": null,
"typ": 20,
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