component
TPS54362AQPWPRQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
tps54362aqpwprq1: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP)
83458e0
17d ago
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"package": "HTSSOP-20",
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"pins": [
{
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"name": "NU",
"type": "unconnected",
"description": "Not-used pin; the pin table says 'Connect to ground', which conflicts with the pin-diagram note 'NU - Make no external connection'."
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{
"number": "2",
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"description": "Not-used pin; the pin-diagram note says make no external connection."
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{
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"description": "External synchronization clock input that overrides the internal oscillator, with an internal 62 kΩ (typical) pulldown to ground and a maximum switching frequency of 2.2 MHz."
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{
"number": "4",
"name": "LPM",
"type": "input",
"description": "Digital low-power mode control input with an internal 62 kΩ (typical) pulldown to ground; absolute maximum rating is 5.5 V."
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{
"number": "5",
"name": "EN",
"type": "input",
"description": "Enable input, internally pulled up, that requires an external pullup or pulldown; voltages below 0.7 V disable the regulator, and the absolute maximum rating is 60 V."
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{
"number": "6",
"name": "RT",
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"description": "External resistor to ground programs the internal oscillator frequency over 200 kHz to 2.2 MHz; absolute maximum rating is 5.5 V."
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{
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"name": "Rslew",
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"description": "External resistor to ground sets the slew rate of the internal switching FET; absolute maximum rating is 5.5 V."
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{
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"description": "Active-low open-drain reset output that needs an external bias pullup through a resistor; absolute maximum rating is 5.5 V."
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{
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"name": "Cdly",
"type": "bidirectional",
"description": "External capacitor to ground programs the power-on-reset delay from 2.2 ms to 200 ms using 2.2 nF to 200 nF; absolute maximum rating is 8 V."
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{
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"description": "Ground pin."
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{
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{
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"description": "Undervoltage and reset sense input that monitors V(VReg) through the external resistor divider to set the reset threshold; absolute maximum rating is 5.5 V."
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{
"number": "14",
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"description": "Inverting input of the error amplifier for voltage-mode control; absolute maximum rating is 5.5 V."
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{
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{
"number": "17",
"name": "PH",
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"description": "Source of the internal switching FET; absolute maximum rating is 60 V, with transients down to -2 V for 30 ns and -1 V for 200 ns."
},
{
"number": "18",
"name": "VIN",
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"description": "Unregulated input voltage with a 3.6 V to 48 V operating range and a 60 V absolute maximum; connect pin 18 and pin 19 together externally."
},
{
"number": "19",
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{
"number": "20",
"name": "BOOT",
"type": "output",
"description": "External bootstrap capacitor connected to PH that drives the gate of the internal switching FET; absolute maximum rating is 65 V."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
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"exposed pad 21 added from the footprint"
],
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"at": "2026-10-11T13:20:31"
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"Package": "HTSSOP-20",
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"name": "EN input voltage",
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{
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{
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{
"name": "SYNC voltage",
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{
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{
"name": "BOOT voltage",
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"min": -0.3,
"typ": null,
"max": 65,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "PH voltage",
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"min": -0.3,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PH voltage",
"symbol": "PH",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 60,
"conditions": "30 ns",
"source_page": 5,
"source": "datasheet"
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{
"name": "PH voltage",
"symbol": "PH",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": 60,
"conditions": "200 ns",
"source_page": 5,
"source": "datasheet"
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{
"name": "PH voltage",
"symbol": "PH",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.85,
"typ": null,
"max": 60,
"conditions": "TJ = –40°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PH voltage",
"symbol": "PH",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 60,
"conditions": "TJ = 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "RT voltage",
"symbol": "RT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "RST voltage",
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"typ": null,
"max": 5.5,
"conditions": "",
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{
"name": "Rslew voltage",
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"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
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"source": "datasheet"
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{
"name": "Cdly voltage",
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"typ": null,
"max": 8,
"conditions": "",
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"source": "datasheet"
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{
"name": "SS voltage",
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"source": "datasheet"
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{
"name": "COMP voltage",
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"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Operating virtual junction temperature range",
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"min": -40,
"typ": null,
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"source": "datasheet"
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{
"name": "Storage temperature range",
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"unit": "°C",
"min": -55,
"typ": null,
"max": 165,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Electrostatic discharge, HBM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "kV",
"min": -2,
"typ": null,
"max": 2,
"conditions": "Human-body model (HBM), per AEC Q100-002",
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"source": "datasheet"
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{
"name": "Electrostatic discharge, CDM",
"symbol": "V(ESD)",
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"min": -750,
"typ": null,
"max": 750,
"conditions": "Charged-device model (CDM), per AEC Q100-011",
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"source": "datasheet"
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{
"name": "Unregulated buck supply input voltage",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 3.6,
"typ": null,
"max": 48,
"conditions": "Unregulated buck supply input voltage (VIN, EN)",
"source_page": 6,
"source": "datasheet"
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{
"name": "Regulator voltage range",
"symbol": "V(VReg)",
"kind": "recommended_operating",
"unit": "V",
"min": 0.9,
"typ": null,
"max": 18,
"conditions": "",
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"source": "datasheet"
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{
"name": "Input voltage at power up",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
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"typ": null,
"max": 5.5,
"conditions": "Power up in low-power mode (LPM) or discontinuous mode (DCM)",
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"source": "datasheet"
},
{
"name": "Logic level inputs (RST, VSENSE, OV_TH, RST_TH, SYNC, RT)",
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"kind": "recommended_operating",
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"min": 0,
"typ": null,
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"source": "datasheet"
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{
"name": "Logic level inputs (SS, Cdly, COMP)",
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"typ": null,
"max": 6.5,
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"source": "datasheet"
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{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply voltage on VIN pin, normal mode buck",
"symbol": "V(VIN)",
"kind": "electrical",
"unit": "V",
"min": 3.6,
"typ": null,
"max": 48,
"conditions": "Normal mode–buck mode after initial start-up",
"source_page": 7,
"source": "datasheet"
},
{
"name": "High-voltage threshold on VIN pin (LPM disabled)",
"symbol": "V(VIN)",
"kind": "electrical",
"unit": "V",
"min": 25,
"typ": 27,
"max": 30,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Quiescent current, normal mode",
"symbol": "I(q-Normal)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5,
"max": 10,
"conditions": "Open-loop test – maximum duty cycle; V(VIN) = 7 V to 48 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Quiescent current, low-power mode",
"symbol": "I(q-LPM)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 65,
"max": 75,
"conditions": "I(VReg) < 1 mA, V(VIN) = 12 V, TA = 25°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Shutdown current",
"symbol": "I(SD)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": 4,
"conditions": "V(EN) = 0 V, device is OFF, TA = 25°C, V(VIN) = 12 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Regulator output voltage",
"symbol": "V(VReg)",
"kind": "electrical",
"unit": "V",
"min": 0.9,
"typ": null,
"max": 18,
"conditions": "V(VSENSE) = 0.8-V reference",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Feedback voltage",
"symbol": "V(VSENSE)",
"kind": "electrical",
"unit": "V",
"min": 0.788,
"typ": 0.8,
"max": 0.812,
"conditions": "V(VReg) = 0.9 V to 18 V, V(VIN) = 7 V to 48 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Switch current limit, cycle-by-cycle",
"symbol": "I(CL)",
"kind": "electrical",
"unit": "A",
"min": 4,
"typ": 6,
"max": 8,
"conditions": "V(VIN) = 12 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Duty-cycle pulse duration (ON)",
"symbol": "t(ON-Min)",
"kind": "electrical",
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