component
TPS55332QPWPRQ1
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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tps55332qpwprq1: specified limits as data (metadata.characteristics, 54 rows from the datasheet)
2 files changed
+717−1
README.md+61@@ -39,6 +39,67 @@ TPS55332QPWPRQ1 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 |+|---|---|---|---|---|---|---|---|+| Unregulated input voltages (VIN, EN, SW) | VI | -0.3 | | 60 | V | All voltage values with respect to GND | 4 |+| Unregulated input voltages (BOOT) | VI | -0.3 | | 8 | V | All voltage values with respect to GND | 4 |+| Regulated voltage | VReg | -0.3 | | 60 | V | All voltage values with respect to GND | 4 |+| Logic level signals (RT, RST, SYNC, VSENSE, RST_TH) | | -0.3 | | 5.5 | V | All voltage values with respect to GND | 4 |+| Logic level signals (SS, Cdly) | | -0.3 | | 8 | V | All voltage values with respect to GND | 4 |+| Logic level signals (COMP) | | -0.3 | | 7 | V | All voltage values with respect to GND | 4 |+| Operating virtual junction temperature range | TJ | -40 | | 150 | °C | | 4 |+| Storage temperature | Tstg | -55 | | 165 | °C | | 4 |+| Unregulated buck supply input voltage (VIN, EN) | VI | 3.6 | | 40 | V | | 4 |+| Output voltage range | VReg | 2.5 | | 50 | V | | 4 |+| Bootstrap capacitor (BOOT) | | 3.6 | | 8 | V | | 4 |+| Switched outputs (SW) | | 3.6 | | 52 | V | | 4 |+| Logic level inputs (RST, VSENSE, RST_TH, Rslew, SYNC, RT) | | 0 | | 5.25 | V | | 4 |+| Logic level inputs (SS, Cdly, COMP) | | 0 | | 6.5 | V | | 4 |+| Operating junction temperature range | TJ | -40 | | 150 | °C | | 4 |+| Supply voltage on VIN line | VIN | 1.5 | | 40 | V | Normal mode – buck mode after start up | 5 |+| Regulator output voltage | VReg | | | 50 | V | VSENSE = 2.5 V in boost mode | 5 |+| Feedback voltage | VSENSE | 2.463 | 2.5 | 2.538 | V | VIN = 12 V | 5 |+| Bias current, normal mode | Iq-Normal | | 4.2 | 8 | mA | | 5 |+| Shutdown current | ISD | | 2 | 4 | μA | EN = 0 V, VIN = 12 V, TA = 25°C | 5 |+| Duty cycle pulse width (tON-Min) | tON-Min | 50 | 100 | 150 | ns | Bench mode = 500 kHz | 5 |+| Duty cycle pulse width (tOFF-Min) | tOFF-Min | 50 | 100 | 150 | ns | Bench mode = 500 kHz | 5 |+| Switch mode frequency | fsw | 80 | | 2200 | kHz | Set using external resistor on RT pin | 5 |+| Internal oscillator frequency | fsw | -10 | | 10 | % | | 5 |+| Low input threshold (EN) | VIL | | | 0.7 | V | | 5 |+| High input threshold (EN) | VIH | 1.7 | | | V | | 5 |+| External capacitor charge current | IO | 1.4 | 2 | 2.6 | μA | EN = high | 5 |+| Switching threshold | VThreshold | 1.8 | 2 | 2.4 | V | Output voltage in regulation | 5 |+| POR delay timer | trdly | 3.6 | | 7 | ms | Based on Cdly capacitor, Cdly = 4.7 nF | 5 |+| Reset threshold for VReg | RST_TH | 0.768 | | 0.832 | V | Check RST output | 5 |+| Filter time before RST asserted low | tRSTdly | 10 | 20 | 35 | μs | Once VRST_TH or OV_TH Is detected, delay before RST Is asserted low | 5 |+| Low-level input voltage, VIL (SYNC) | VIL | | | 0.7 | V | | 5 |+| High-level input voltage, VIH (SYNC) | VIH | 1.7 | | | V | | 5 |+| Leakage current (SYNC) | ILeakage | 65 | | 95 | μA | SYNC = 5 V | 5 |+| SYNC input clock frequency | | 80 | | 2200 | kHz | VIN = 12 V, fsw < fext < 2 × fsw | 5 |+| Minimum duty cycle (SYNCCLK) | SYNCCLK | 30 | | | % | | 5 |+| Maximum duty cycle (SYNCCLK) | SYNCCLK | | | 70 | % | | 6 |+| Thermal shutdown junction temperature | TSD | 175 | 200 | | °C | | 6 |+| Internal switch resistance | RDS(on) | | 500 | | mΩ | Measured across VSWD and GND | 5 |+| Switch current limit | ICL | | 5.7 | | A | VIN = 7 V to 28 V | 5 |+| Leakage into EN terminal | ILeakage | | 35 | | μA | EN = 24 V | 5 |+| SYNC transition, external to internal clock | SYNCtrans | | 32 | | μs | No external clock, VIN = 12 V | 5 |+| SYNC transition, internal to external clock | SYNCtrans | | 2.5 | | μs | External clock = 500 kHz, VIN = 12 V | 5 |+| Slew current | IRslew | | 20 | | μA | Rslew = 50 kΩ, Calculated not measured | 6 |+| Slew current | IRslew | | 100 | | μA | Rslew = 50 kΩ, Calculated not measured | 6 |+| Thermal shutdown hysteresis | THYS | | 30 | | °C | | 6 |+| Thermal resistance, junction to ambient (recommended table) | θJA | | 35 | | °C/W | | 4 |+| Thermal resistance, junction to case (recommended table) | θJC | | 10 | | °C/W | | 4 |+| Junction-to-ambient thermal resistance | RθJA | | 43.8 | | °C/W | PWP 20-pin package | 5 |+| Junction-to-case (top) thermal resistance | RθJC(top) | | 21.4 | | °C/W | PWP 20-pin package | 5 |+| Junction-to-board thermal resistance | RθJB | | 18.5 | | °C/W | PWP 20-pin package | 5 |+| Junction-to-top characterization parameter | ψJT | | 0.5 | | °C/W | PWP 20-pin package | 5 |+| Junction-to-board characterization parameter | ψJB | | 18.3 | | °C/W | PWP 20-pin package | 5 |+| Junction-to-case (bottom) thermal resistance | RθJC(bot) | | 1.2 | | °C/W | PWP 20-pin package | 5 |+ ## CAD (KiCad official) - Symbol: `TPS55332QPWPRQ1`
page.json+656−1@@ -259,6 +259,661 @@ "Package": "HTSSOP-20-EP", "Category": "Power Supply Chip", "Pins": "21"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "43d7dcf970a38188",+ "rows": [+ {+ "name": "Unregulated input voltages (VIN, EN, SW)",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 60,+ "conditions": "All voltage values with respect to GND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Unregulated input voltages (BOOT)",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 8,+ "conditions": "All voltage values with respect to GND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Regulated voltage",+ "symbol": "VReg",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 60,+ "conditions": "All voltage values with respect to GND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Logic level signals (RT, RST, SYNC, VSENSE, RST_TH)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "All voltage values with respect to GND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Logic level signals (SS, Cdly)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 8,+ "conditions": "All voltage values with respect to GND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Logic level signals (COMP)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "All voltage values with respect to GND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating virtual junction temperature range",+ "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": 40,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage range",+ "symbol": "VReg",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 2.5,+ "typ": null,+ "max": 50,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Bootstrap capacitor (BOOT)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3.6,+ "typ": null,+ "max": 8,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Switched outputs (SW)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3.6,+ "typ": null,+ "max": 52,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Logic level inputs (RST, VSENSE, 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 level inputs (SS, Cdly, COMP)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 0,+ "typ": null,+ "max": 6.5,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating junction temperature range",+ "symbol": "TJ",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Supply voltage on VIN line",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": 1.5,+ "typ": null,+ "max": 40,+ "conditions": "Normal mode – buck mode after start up",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Regulator output voltage",+ "symbol": "VReg",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 50,+ "conditions": "VSENSE = 2.5 V in boost mode",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Feedback voltage",+ "symbol": "VSENSE",+ "kind": "electrical",+ "unit": "V",+ "min": 2.463,+ "typ": 2.5,+ "max": 2.538,+ "conditions": "VIN = 12 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Bias current, normal mode",+ "symbol": "Iq-Normal",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 4.2,+ "max": 8,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Shutdown current",+ "symbol": "ISD",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 2,+ "max": 4,+ "conditions": "EN = 0 V, VIN = 12 V, TA = 25°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Duty cycle pulse width (tON-Min)",+ "symbol": "tON-Min",+ "kind": "electrical",+ "unit": "ns",+ "min": 50,+ "typ": 100,+ "max": 150,+ "conditions": "Bench mode = 500 kHz",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Duty cycle pulse width (tOFF-Min)",+ "symbol": "tOFF-Min",+ "kind": "electrical",+ "unit": "ns",+ "min": 50,+ "typ": 100,+ "max": 150,+ "conditions": "Bench mode = 500 kHz",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switch mode frequency",+ "symbol": "fsw",+ "kind": "electrical",+ "unit": "kHz",+ "min": 80,+ "typ": null,+ "max": 2200,+ "conditions": "Set using external resistor on RT pin",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Internal oscillator frequency",+ "symbol": "fsw",+ "kind": "tolerance",+ "unit": "%",+ "min": -10,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Low input threshold (EN)",+ "symbol": "VIL",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.7,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "High input threshold (EN)",+ "symbol": "VIH",+ "kind": "electrical",+ "unit": "V",+ "min": 1.7,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "External capacitor charge current",+ "symbol": "IO",+ "kind": "electrical",+ "unit": "μA",+ "min": 1.4,+ "typ": 2,+ "max": 2.6,+ "conditions": "EN = high",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switching threshold",+ "symbol": "VThreshold",+ "kind": "electrical",+ "unit": "V",+ "min": 1.8,+ "typ": 2,+ "max": 2.4,+ "conditions": "Output voltage in regulation",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "POR delay timer",+ "symbol": "trdly",+ "kind": "electrical",+ "unit": "ms",+ "min": 3.6,+ "typ": null,+ "max": 7,+ "conditions": "Based on Cdly capacitor, Cdly = 4.7 nF",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Reset threshold for VReg",+ "symbol": "RST_TH",+ "kind": "electrical",+ "unit": "V",+ "min": 0.768,+ "typ": null,+ "max": 0.832,+ "conditions": "Check RST output",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Filter time before RST asserted low",+ "symbol": "tRSTdly",+ "kind": "electrical",+ "unit": "μs",+ "min": 10,+ "typ": 20,+ "max": 35,+ "conditions": "Once VRST_TH or OV_TH Is detected, delay before RST Is asserted low",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Low-level input voltage, VIL (SYNC)",+ "symbol": "VIL",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.7,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "High-level input voltage, VIH (SYNC)",+ "symbol": "VIH",+ "kind": "electrical",+ "unit": "V",+ "min": 1.7,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Leakage current (SYNC)",+ "symbol": "ILeakage",+ "kind": "electrical",+ "unit": "μA",+ "min": 65,+ "typ": null,+ "max": 95,+ "conditions": "SYNC = 5 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "SYNC input clock frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 80,+ "typ": null,+ "max": 2200,+ "conditions": "VIN = 12 V, fsw < fext < 2 × fsw",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Minimum duty cycle (SYNCCLK)",+ "symbol": "SYNCCLK",+ "kind": "electrical",+ "unit": "%",+ "min": 30,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Maximum duty cycle (SYNCCLK)",+ "symbol": "SYNCCLK",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": null,+ "max": 70,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown junction temperature",+ "symbol": "TSD",+ "kind": "electrical",+ "unit": "°C",+ "min": 175,+ "typ": 200,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Internal switch resistance",+ "symbol": "RDS(on)",+ "kind": "electrical",+ "unit": "mΩ",+ "min": null,+ "typ": 500,+ "max": null,+ "conditions": "Measured across VSWD and GND",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switch current limit",+ "symbol": "ICL",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 5.7,+ "max": null,+ "conditions": "VIN = 7 V to 28 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Leakage into EN terminal",+ "symbol": "ILeakage",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 35,+ "max": null,+ "conditions": "EN = 24 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "SYNC transition, external to internal clock",+ "symbol": "SYNCtrans",+ "kind": "electrical",+ "unit": "μs",+ "min": null,+ "typ": 32,+ "max": null,+ "conditions": "No external clock, VIN = 12 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "SYNC transition, internal to external clock",+ "symbol": "SYNCtrans",+ "kind": "electrical",+ "unit": "μs",+ "min": null,+ "typ": 2.5,+ "max": null,+ "conditions": "External clock = 500 kHz, VIN = 12 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Slew current",+ "symbol": "IRslew",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 20,+ "max": null,+ "conditions": "Rslew = 50 kΩ, Calculated not measured",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Slew current",+ "symbol": "IRslew",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "Rslew = 50 kΩ, Calculated not measured",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown hysteresis",+ "symbol": "THYS",+ "kind": "electrical",+ "unit": "°C",+ "min": null,+ "typ": 30,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance, junction to ambient (recommended table)",+ "symbol": "θJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 35,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance, junction to case (recommended table)",+ "symbol": "θJC",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 10,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 43.8,+ "max": null,+ "conditions": "PWP 20-pin package",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 21.4,+ "max": null,+ "conditions": "PWP 20-pin package",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board thermal resistance",+ "symbol": "RθJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 18.5,+ "max": null,+ "conditions": "PWP 20-pin package",+ "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": "PWP 20-pin package",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board characterization parameter",+ "symbol": "ψJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 18.3,+ "max": null,+ "conditions": "PWP 20-pin package",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (bottom) thermal resistance",+ "symbol": "RθJC(bot)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 1.2,+ "max": null,+ "conditions": "PWP 20-pin package",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -300,4 +955,4 @@ "visibility": { "public": true }-}+}