component
TPS54262QPWPRQ1
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.
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tps54262qpwprq1: specified limits as data (metadata.characteristics, 59 rows from the datasheet)
2 files changed
+782−1
README.md+66@@ -39,6 +39,72 @@ TPS54262QPWPRQ1 from Texas Instruments, in a HTSSOP-20-EP. Pinout and pin descri | Category | Power Supply Chip | | Pins | 21 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Input voltage, EN | | -0.3 | | 60 | V | | 4 |+| Input voltage, VIN | | -0.3 | | 60 | V | | 4 |+| Input voltage, VReg | | -0.3 | | 20 | V | | 4 |+| Input voltage, LPM | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, OV_TH | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, RST_TH | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, SYNC | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, VSENSE | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, BOOT | | -0.3 | | 65 | V | | 4 |+| DC voltage (pin label unclear in text, see review) | | -0.3 | | 60 | V | | 4 |+| PH DC voltage | | -0.85 | | | V | TJ = -40°C | 4 |+| PH DC voltage | | -0.5 | | | V | TJ = 125°C | 4 |+| Output voltage, 30-ns transient pulse | | -2 | | | V | 30-ns transient pulse | 4 |+| Output voltage, 200-ns transient pulse | | -1 | | | V | 200-ns transient pulse | 4 |+| Input voltage, RT | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, RST | | -0.3 | | 5.5 | V | | 4 |+| Input voltage, Cdly | | -0.3 | | 8 | V | | 4 |+| Input voltage, SS | | -0.3 | | 8 | V | | 4 |+| Input voltage, COMP | | -0.3 | | 7 | V | | 4 |+| Operating virtual junction temperature | TJ | -40 | | 150 | °C | | 4 |+| Storage temperature | Tstg | -55 | | 165 | °C | | 4 |+| Unregulated buck supply input voltage (VIN, EN) | VI | 3.6 | | 48 | V | | 4 |+| Regulated output VReg | VReg | 0.9 | | 18 | V | In continuous conduction mode (CCM) | 4 |+| Regulated output VReg | VReg | 0.9 | | 5.5 | V | Power up in low-power mode (LPM) or discontinuous conduction mode (DCM) | 4 |+| Bootstrap capacitor (BOOT) | | 3.6 | | 56 | V | | 4 |+| Switched outputs (PH) | | 3.6 | | 48 | V | | 4 |+| Logic levels (RST, VSENSE, OV_TH, RST_TH, Rslew, SYNC, RT) | | 0 | | 5.25 | V | | 4 |+| Logic levels (SS, Cdly, COMP) | | 0 | | 6.5 | V | | 4 |+| Operating ambient temperature | TA | -40 | | 125 | °C | | 4 |+| VIN supply, normal mode after initial start-up | VIN | 3.6 | | 48 | V | | 6 |+| High voltage threshold (VIN) | | 29 | 31 | 34 | V | LPM disabled | 6 |+| Quiescent current, normal mode | Iq-Normal | | 5 | 10 | mA | Open loop test – maximum duty cycle, VIN = 7 V to 48 V | 6 |+| Quiescent current, low-power mode | Iq-LPM | | 50 | 70 | µA | Load < 1 mA, VIN = 12 V, TA = 25°C | 6 |+| Quiescent current, low-power mode | Iq-LPM | | | 75 | µA | Load < 1 mA, VIN = 12 V, –40 < TJ < 150°C | 6 |+| Shutdown current | ISD | | 1 | 4 | µA | EN = 0 V, device is off, TA = 25°C, VIN = 12 V | 6 |+| Regulator output | VReg | 0.9 | | 18 | V | VSENSE = 0.8 Vref | 6 |+| Feedback voltage | VSENSE | 0.788 | 0.8 | 0.812 | V | VReg = 0.9 V to 18 V (open loop) | 6 |+| Switch current limit, cycle by cycle | ICL | 2.5 | 3.2 | 4.1 | A | VIN = 12 V | 6 |+| Duty cycle pulse width (minimum on-time) | tON-Min | 50 | 100 | 150 | ns | Bench CHAR only | 6 |+| Minimum off-time | tOFF-Min | 100 | 200 | 250 | ns | Bench CHAR only | 6 |+| Switching frequency | fsw | 0.2 | | 2.2 | MHz | Set using external resistor on RT pin | 6 |+| Internal oscillator frequency tolerance | fsw | -10 | | 10 | % | | 6 |+| Internal reference voltage tolerance | tolVref | -1.5 | | 1.5 | % | | 12 |+| Soft-start source current | ISS | 40 | 50 | 60 | µA | | 7 |+| Leakage current into EN terminal | Ilkg | | 100 | 135 | µA | EN = 60 V | 7 |+| External capacitor charge current (Cdly) | IO | 1.4 | 2 | 2.6 | µA | EN = high | 7 |+| Leakage current into LPM terminal | Ilkg | | 65 | 95 | µA | LPM = 5 V | 7 |+| POR delay timer | trdly | | 3.6 | 7 | ms/nF | Based on Cdly capacitor | 7 |+| Reset threshold voltage for VReg | VReg_RST | 0.768 | | 0.832 | V | Check RST output | 7 |+| Filter time, delay before RST asserted low | tnRSTdly | 10 | 20 | 35 | µs | | 7 |+| Overvoltage threshold voltage for VReg | VReg_OV | 0.768 | | 0.832 | V | Internal switch is turned off during overvoltage | 7 |+| Leakage current SYNC | Ilkg | | 65 | 95 | µA | SYNC = 5 V | 7 |+| External input clock frequency (SYNC) | fext | 180 | | 2200 | kHz | VIN = 12 V, VReg = 5 V | 7 |+| Junction-to-ambient thermal resistance | RθJA | | 36.2 | | °C/W | | 5 |+| Junction-to-case (top) thermal resistance | RθJC(top) | | 20.9 | | °C/W | | 5 |+| Junction-to-board thermal resistance | RθJB | | 17.9 | | °C/W | | 5 |+| Junction-to-top characterization parameter | ψJT | | 0.5 | | °C/W | | 5 |+| Junction-to-board characterization parameter | ψJB | | 17.7 | | °C/W | | 5 |+| Junction-to-case (bottom) thermal resistance | RθJC(bot) | | 1.4 | | °C/W | | 5 |+ ## CAD (KiCad official) - Symbol: `TPS54262QPWPRQ1`
page.json+716−1@@ -259,6 +259,721 @@ "Package": "HTSSOP-20-EP", "Category": "Power Supply Chip", "Pins": "21"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "b8063859464ccfa2",+ "rows": [+ {+ "name": "Input voltage, EN",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 60,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, VIN",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 60,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, VReg",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, LPM",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, OV_TH",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, RST_TH",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, SYNC",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, VSENSE",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, BOOT",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 65,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "DC voltage (pin label unclear in text, see review)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 60,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PH DC voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.85,+ "typ": null,+ "max": null,+ "conditions": "TJ = -40°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PH DC voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.5,+ "typ": null,+ "max": null,+ "conditions": "TJ = 125°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage, 30-ns transient pulse",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -2,+ "typ": null,+ "max": null,+ "conditions": "30-ns transient pulse",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage, 200-ns transient pulse",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -1,+ "typ": null,+ "max": null,+ "conditions": "200-ns transient pulse",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, RT",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, RST",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, Cdly",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 8,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, SS",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 8,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage, COMP",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating virtual 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": -55,+ "typ": null,+ "max": 165,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Unregulated buck supply input voltage (VIN, EN)",+ "symbol": "VI",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3.6,+ "typ": null,+ "max": 48,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Regulated output VReg",+ "symbol": "VReg",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 0.9,+ "typ": null,+ "max": 18,+ "conditions": "In continuous conduction mode (CCM)",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Regulated output VReg",+ "symbol": "VReg",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 0.9,+ "typ": null,+ "max": 5.5,+ "conditions": "Power up in low-power mode (LPM) or discontinuous conduction mode (DCM)",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Bootstrap capacitor (BOOT)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3.6,+ "typ": null,+ "max": 56,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Switched outputs (PH)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3.6,+ "typ": null,+ "max": 48,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Logic levels (RST, VSENSE, OV_TH, RST_TH, Rslew, SYNC, RT)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 0,+ "typ": null,+ "max": 5.25,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Logic levels (SS, Cdly, COMP)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 0,+ "typ": null,+ "max": 6.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating ambient temperature",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "VIN supply, normal mode after initial start-up",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": 3.6,+ "typ": null,+ "max": 48,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "High voltage threshold (VIN)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 29,+ "typ": 31,+ "max": 34,+ "conditions": "LPM disabled",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current, normal mode",+ "symbol": "Iq-Normal",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 5,+ "max": 10,+ "conditions": "Open loop test – maximum duty cycle, VIN = 7 V to 48 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current, low-power mode",+ "symbol": "Iq-LPM",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 50,+ "max": 70,+ "conditions": "Load < 1 mA, VIN = 12 V, TA = 25°C",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current, low-power mode",+ "symbol": "Iq-LPM",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 75,+ "conditions": "Load < 1 mA, VIN = 12 V, –40 < TJ < 150°C",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Shutdown current",+ "symbol": "ISD",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 1,+ "max": 4,+ "conditions": "EN = 0 V, device is off, TA = 25°C, VIN = 12 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Regulator output",+ "symbol": "VReg",+ "kind": "electrical",+ "unit": "V",+ "min": 0.9,+ "typ": null,+ "max": 18,+ "conditions": "VSENSE = 0.8 Vref",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Feedback voltage",+ "symbol": "VSENSE",+ "kind": "electrical",+ "unit": "V",+ "min": 0.788,+ "typ": 0.8,+ "max": 0.812,+ "conditions": "VReg = 0.9 V to 18 V (open loop)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Switch current limit, cycle by cycle",+ "symbol": "ICL",+ "kind": "electrical",+ "unit": "A",+ "min": 2.5,+ "typ": 3.2,+ "max": 4.1,+ "conditions": "VIN = 12 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Duty cycle pulse width (minimum on-time)",+ "symbol": "tON-Min",+ "kind": "electrical",+ "unit": "ns",+ "min": 50,+ "typ": 100,+ "max": 150,+ "conditions": "Bench CHAR only",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Minimum off-time",+ "symbol": "tOFF-Min",+ "kind": "electrical",+ "unit": "ns",+ "min": 100,+ "typ": 200,+ "max": 250,+ "conditions": "Bench CHAR only",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Switching frequency",+ "symbol": "fsw",+ "kind": "electrical",+ "unit": "MHz",+ "min": 0.2,+ "typ": null,+ "max": 2.2,+ "conditions": "Set using external resistor on RT pin",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Internal oscillator frequency tolerance",+ "symbol": "fsw",+ "kind": "tolerance",+ "unit": "%",+ "min": -10,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Internal reference voltage tolerance",+ "symbol": "tolVref",+ "kind": "tolerance",+ "unit": "%",+ "min": -1.5,+ "typ": null,+ "max": 1.5,+ "conditions": "",+ "source_page": 12,+ "source": "datasheet"+ },+ {+ "name": "Soft-start source current",+ "symbol": "ISS",+ "kind": "electrical",+ "unit": "µA",+ "min": 40,+ "typ": 50,+ "max": 60,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Leakage current into EN terminal",+ "symbol": "Ilkg",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 100,+ "max": 135,+ "conditions": "EN = 60 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "External capacitor charge current (Cdly)",+ "symbol": "IO",+ "kind": "electrical",+ "unit": "µA",+ "min": 1.4,+ "typ": 2,+ "max": 2.6,+ "conditions": "EN = high",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Leakage current into LPM terminal",+ "symbol": "Ilkg",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 65,+ "max": 95,+ "conditions": "LPM = 5 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "POR delay timer",+ "symbol": "trdly",+ "kind": "electrical",+ "unit": "ms/nF",+ "min": null,+ "typ": 3.6,+ "max": 7,+ "conditions": "Based on Cdly capacitor",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Reset threshold voltage for VReg",+ "symbol": "VReg_RST",+ "kind": "electrical",+ "unit": "V",+ "min": 0.768,+ "typ": null,+ "max": 0.832,+ "conditions": "Check RST output",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Filter time, delay before RST asserted low",+ "symbol": "tnRSTdly",+ "kind": "electrical",+ "unit": "µs",+ "min": 10,+ "typ": 20,+ "max": 35,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Overvoltage threshold voltage for VReg",+ "symbol": "VReg_OV",+ "kind": "electrical",+ "unit": "V",+ "min": 0.768,+ "typ": null,+ "max": 0.832,+ "conditions": "Internal switch is turned off during overvoltage",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Leakage current SYNC",+ "symbol": "Ilkg",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 65,+ "max": 95,+ "conditions": "SYNC = 5 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "External input clock frequency (SYNC)",+ "symbol": "fext",+ "kind": "electrical",+ "unit": "kHz",+ "min": 180,+ "typ": null,+ "max": 2200,+ "conditions": "VIN = 12 V, VReg = 5 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 36.2,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 20.9,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board thermal resistance",+ "symbol": "RθJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 17.9,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-top characterization parameter",+ "symbol": "ψJT",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 0.5,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board characterization parameter",+ "symbol": "ψJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 17.7,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (bottom) thermal resistance",+ "symbol": "RθJC(bot)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 1.4,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -300,4 +1015,4 @@ "visibility": { "public": true }-}+}