component
TPS55165QPWPTQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"brief": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"pins": [
{
"number": "1",
"name": "PGND",
"type": "power_in",
"description": "Power-ground pin."
},
{
"number": "2",
"name": "L1",
"type": "passive",
"description": "Buck power-stage switch node; connect a nominal 4.7 µH inductor between L1 and L2."
},
{
"number": "3",
"name": "BST1",
"type": "passive",
"description": "Bootstrap node for the buck power stage; connect a 100-nF capacitor between this pin and L1."
},
{
"number": "4",
"name": "VINP",
"type": "power_in",
"description": "Supply-power input voltage; connect to the input supply line."
},
{
"number": "5",
"name": "VINL",
"type": "power_in",
"description": "Supply-input voltage for internal biasing; connect to the input supply line."
},
{
"number": "6",
"name": "IGN",
"type": "input",
"description": "Ignition-enable input; ignition is enabled when high and disabled when low."
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{
"number": "7",
"name": "PS",
"type": "input",
"description": "Logic-level input that selects low-power mode when high and normal mode when low."
},
{
"number": "8",
"name": "IGN_PWRL",
"type": "input",
"description": "Logic-level IGN power-latch signal; IGN is latched when this pin is high and not latched when low."
},
{
"number": "9",
"name": "SS_EN",
"type": "input",
"description": "Configuration pin for spread spectrum; enabled when the pin is open and disabled when low."
},
{
"number": "10",
"name": "PG_DLY",
"type": "passive",
"description": "Power-good delay configuration; a 10 kΩ to 100 kΩ resistor sets 0.5 ms to 40 ms, and connecting to ground gives the default 2 ms (typical)."
},
{
"number": "11",
"name": "VREG_Q",
"type": "input",
"description": "Quiet feedback pin for the gate-drive supply; connect close to the top of the 4.7-µF decoupling capacitor at VREG and always to VREG during operation to prevent EOS damage."
},
{
"number": "12",
"name": "VREG",
"type": "power_out",
"description": "Gate-drive supply for the buck-boost power stages; needs a 4.7-µF (typical) decoupling capacitor to power ground and cannot drive external loads."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "14",
"name": "VOS_FB",
"type": "input",
"description": "On the TPS55165-Q1 this pin selects the output voltage: 5 V when connected to GND and 12 V when connected to VREG."
},
{
"number": "15",
"name": "PG",
"type": "output",
"description": "Open-drain power-good output that is high when the status is good and low on a failure."
},
{
"number": "16",
"name": "VOUT_SENSE",
"type": "input",
"description": "Sense pin for the buck-boost converter output voltage; must be connected to the VOUT pin."
},
{
"number": "17",
"name": "VOUT",
"type": "power_out",
"description": "Buck-boost converter output voltage."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "19",
"name": "BST2",
"type": "passive",
"description": "Bootstrap node for the boost power stage; connect a typical 100-nF capacitor between this pin and L2."
},
{
"number": "20",
"name": "L2",
"type": "passive",
"description": "Boost power-stage switch node; connect a nominal 4.7 µH inductor between L1 and L2."
},
{
"number": "21",
"name": "PowerPAD",
"type": "power_in",
"description": "Exposed thermal pad that must be soldered to power ground to achieve the appropriate power dissipation through the analog ground plane."
}
],
"provenance": {
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
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"1/21 pins cited to the wrong page (name found elsewhere): ['21:PowerPAD@p4']"
],
"pages_sent": 8,
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"at": "2026-11-06T01:08:46"
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"sha256": "fc2228e91106a13a",
"source_tier": "mfr"
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"metadata": {
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"Package": "HTSSOP-20-EP",
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{
"name": "Operating free air temperature, TA",
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"unit": "℃",
"min": -40,
"typ": null,
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"conditions": "",
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{
"name": "Operating virtual junction temperature, TJ",
"symbol": "TJ",
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"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Protected battery voltage",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 5,
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"name": "Feedback voltage",
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{
"name": "Low-power mode input",
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"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 5,
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{
"name": "Low-voltage inputs",
"symbol": "IGN_PWRL, SS_EN, PG_DLY",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Ignition enable input",
"symbol": "IGN",
"kind": "absolute_maximum",
"unit": "V",
"min": -7,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Buck-boost output voltage",
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"min": -0.3,
"typ": null,
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{
"name": "Gate-driver supply",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
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{
"name": "Buck switching node voltage",
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"typ": null,
"max": 40,
"conditions": "",
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"source": "datasheet"
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{
"name": "Boost switching node voltage",
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"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
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{
"name": "Boot-strap overdrive voltage",
"symbol": "BST1-L1, BST2-L2",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
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"source": "datasheet"
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{
"name": "Power-good output voltage",
"symbol": "PG",
"kind": "absolute_maximum",
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"min": -0.3,
"typ": null,
"max": 15,
"conditions": "",
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{
"name": "Ground",
"symbol": "PGND, GND",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
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{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
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{
"name": "Storage temperature",
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"min": -65,
"typ": null,
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},
{
"name": "Junction-to-ambient thermal resistance",
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"unit": "°C/W",
"min": null,
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"max": null,
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},
{
"name": "Junction-to-case (bottom) thermal resistance",
"symbol": "RθJC(bot)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 0.9,
"max": null,
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"source_page": 6,
"source": "datasheet"
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{
"name": "Supply voltage operating input voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": 14,
"max": 36,
"conditions": "Applied at VINP and VINL pins, after device startup; TPS55165-Q1 with VOS_FB pin connected to GND",
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"source": "datasheet"
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{
"name": "Supply voltage operating input voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": 14,
"max": 36,
"conditions": "Applied at VINP and VINL pins, after device startup; TPS55165-Q1 with VOS_FB pin connected to VREG",
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"source": "datasheet"
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{
"name": "Feedback voltage in normal mode for VOUT in fixed 5-V setting",
"symbol": "VFB_NM_5V",
"kind": "tolerance",
"unit": "V",
"min": 4.9,
"typ": 5,
"max": 5.1,
"conditions": "Measured at VOUT_SENSE pin; VOS_FB pin connected to GND; VOUT pin connected to VOUT_SENSE",
"source_page": 7,
"source": "datasheet"
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{
"name": "Feedback voltage in normal mode for VOUT in fixed 12-V setting",
"symbol": "VFB_NM_12V",
"kind": "tolerance",
"unit": "V",
"min": 11.76,
"typ": 12,
"max": 12.24,
"conditions": "Measured at VOUT_SENSE pin; VOS_FB pin connected to VREG; VOUT pin connected to VOUT_SENSE",
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"source": "datasheet"
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{
"name": "Feedback voltage in low-power mode for VOUT in 5-V setting",
"symbol": "VFB_PS_5V",
"kind": "tolerance",
"unit": "V",
"min": 4.85,
"typ": 5,
"max": 5.15,
"conditions": "Measured at VOUT_SENSE pin; VOS_FB pin connected to GND; VOUT pin connected to VOUT_SENSE",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Feedback voltage in low-power mode for VOUT in 12-V setting",
"symbol": "VFB_PS_12V",
"kind": "tolerance",
"unit": "V",
"min": 11.64,
"typ": 12,
"max": 12.36,
"conditions": "Measured at VOUT_SENSE pin; VOS_FB pin connected to VREG; VOUT pin connected to VOUT_SENSE",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Pulldown discharge resistance at VOUT",
"symbol": "RpdVOUT",
"kind": "electrical",
"unit": "Ω",
"min": 250,
"typ": 365,
"max": 850,
"conditions": "Device in OFF state, INIT state, or PRE_RAMP state; VIGN = 0 V, VPS = 0 V, VIGN_PWRL = 0 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Max output current in normal operation for VOUT in 5-V setting",
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"kind": "electrical",
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"min": null,
"typ": null,
"max": 1,
"conditions": "TPS55165-Q1 with VOS_FB pin connected to GND; 6 V ≤ VIN; DCR ≤ 40 mΩ",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Max output current in normal operation for VOUT in 5-V setting",
"symbol": "IOUT_5V",
"kind": "electrical",
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"min": null,
"typ": null,
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"conditions": "TPS55165-Q1 with VOS_FB pin connected to GND; 3.8 V ≤ VIN ≤ 6 V; DCR ≤ 40 mΩ",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Max output current in normal operation for VOUT in 5-V setting",
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"kind": "electrical",
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"conditions": "TPS55165-Q1 with VOS_FB pin connected to GND; 2.3 V ≤ VIN < 3.8 V; DCR ≤ 40 mΩ",
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"source": "datasheet"
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{
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"name": "PG deglitch filter time",
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"min": 45,
"typ": 50,
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