component
TPS54315MPWPREP
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.
← Commit history
tps54315mpwprep: specified limits as data (metadata.characteristics, 44 rows from the datasheet)
2 files changed
+587−1
README.md+51@@ -39,6 +39,57 @@ TPS54315MPWPREP 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 range | VI | 3 | | 6 | V | | 4 |+| Operating junction temperature | TJ | -55 | | 125 | °C | | 4 |+| Input voltage range, VIN, SS/ENA, FSEL | VI | -0.3 | | 7 | V | | 4 |+| Input voltage range, RT | VI | -0.3 | | 6 | V | | 4 |+| Input voltage range, VSENSE | VI | -0.3 | | 4 | V | | 4 |+| Input voltage range, BOOT | VI | -0.3 | | 17 | V | | 4 |+| Output voltage range, VBIAS, PWRGD, COMP | VO | -0.3 | | 7 | V | | 4 |+| Output voltage range, PH | VO | -0.6 | | 10 | V | | 4 |+| Source current, COMP, VBIAS | IO | | | 6 | mA | | 4 |+| Source current, PH | IO | | | 6 | A | | 4 |+| Sink current, COMP | IO | | | 6 | mA | | 4 |+| Sink current, SS/ENA, PWRGD | IO | | | 10 | mA | | 4 |+| Voltage differential AGND to PGND | | -0.3 | | 0.3 | V | | 4 |+| Operating virtual junction temperature range | TJ | -55 | | 150 | °C | | 4 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 4 |+| Lead temperature | | | | 300 | °C | 1.6 mm (1/16 in) from case for 10 s | 4 |+| VIN input voltage range | VI | 3 | | 6 | V | | 5 |+| Quiescent current | | 6.2 | | 9.6 | mA | fs = 350 kHz, FSEL ≤ 0.8 V, RT open | 5 |+| Quiescent current | | 8.4 | | 12.8 | mA | fs = 550 kHz, FSEL ≥ 2.5 V, Phase pin open, RT open | 5 |+| Shutdown current | | 1 | | 1.4 | mA | Shutdown, SS/ENA = 0 V | 5 |+| UVLO start threshold voltage | | 2.95 | | 3 | V | | 5 |+| UVLO stop threshold voltage | | 2.7 | | 2.8 | V | | 5 |+| Output voltage, VBIAS | | 2.7 | 2.8 | 2.95 | V | IVBIAS = 0 | 5 |+| Output voltage tolerance (TPS54315, 2.5 V) | VO | -3 | | 3 | % | 3 ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 3 A, −55°C ≤ TJ ≤ 125°C | 5 |+| Internally set free-running frequency | | 255 | 350 | 450 | kHz | FSEL ≤ 0.8 V, RT open | 5 |+| Internally set free-running frequency | | 400 | 550 | 700 | kHz | FSEL ≥ 2.5 V, RT open | 5 |+| Externally set free-running frequency | | 252 | 280 | 308 | kHz | RT = 180 kΩ (1% resistor to AGND) | 5 |+| Externally set free-running frequency | | 290 | 312 | 350 | kHz | RT = 160 kΩ (1% resistor to AGND) | 5 |+| Externally set free-running frequency | | 663 | 700 | 762 | kHz | RT = 68 kΩ (1% resistor to AGND) | 5 |+| Frequency range, FSEL | | 330 | | 700 | kHz | | 5 |+| Error amplifier unity gain bandwidth | | 3 | | 5 | MHz | | 6 |+| PWM comparator propagation delay time | | 70 | | 85 | ns | PWM comparator input to PH pin, 10-mV overdrive (excluding dead time) | 6 |+| Enable threshold voltage, SS/ENA | | 0.82 | 1.2 | 1.4 | V | | 6 |+| Internal slow-start time | | 3.5 | 4.5 | 5.4 | ms | | 6 |+| Charge current, SS/ENA | | 2.5 | 5 | 8 | µA | SS/ENA = 0 V | 6 |+| Discharge current, SS/ENA | | 1.2 | 2.3 | 4 | mA | SS/ENA = 0.2 V, VI = 2.7 V | 6 |+| Output saturation voltage, PWRGD | | 0.18 | | 0.3 | V | I(sink) = 2.5 mA | 6 |+| Current limit trip point | | 4 | | 6.5 | A | VI = 3 V, output shorted | 6 |+| Thermal shutdown trip point | | 135 | 150 | 165 | °C | | 6 |+| Power MOSFET switches rDS(on) | rDS(on) | 59 | | 88 | mΩ | VI = 6 V | 6 |+| Power MOSFET switches rDS(on) | rDS(on) | 85 | | 136 | mΩ | VI = 3 V | 6 |+| Output voltage, nominal (TPS54315) | VO | | 2.5 | | V | TJ = 25°C, VIN = 5.0 V | 5 |+| Thermal impedance, junction-to-ambient, 20-pin PWP with solder | | | 26 | | °C/W | Test board per footnote (2), with solder | 4 |+| Thermal impedance, junction-to-ambient, 20-pin PWP without solder | | | 57.5 | | °C/W | Test board per footnote (2), without solder | 4 |+ ## CAD (KiCad official) - Symbol: `TPS54315MPWPREP`
page.json+536−1@@ -259,6 +259,541 @@ "Package": "HTSSOP-20-EP", "Category": "Power Supply Chip", "Pins": "21"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "33d2837b152fe8e7",+ "rows": [+ {+ "name": "Input voltage range",+ "symbol": "VI",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating junction temperature",+ "symbol": "TJ",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range, VIN, SS/ENA, FSEL",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range, RT",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range, VSENSE",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 4,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range, BOOT",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 17,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage range, VBIAS, PWRGD, COMP",+ "symbol": "VO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage range, PH",+ "symbol": "VO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.6,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Source current, COMP, VBIAS",+ "symbol": "IO",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Source current, PH",+ "symbol": "IO",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Sink current, COMP",+ "symbol": "IO",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Sink current, SS/ENA, PWRGD",+ "symbol": "IO",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Voltage differential AGND to PGND",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 0.3,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating virtual junction temperature range",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Lead temperature",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 300,+ "conditions": "1.6 mm (1/16 in) from case for 10 s",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "VIN input voltage range",+ "symbol": "VI",+ "kind": "electrical",+ "unit": "V",+ "min": 3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 6.2,+ "typ": null,+ "max": 9.6,+ "conditions": "fs = 350 kHz, FSEL ≤ 0.8 V, RT open",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 8.4,+ "typ": null,+ "max": 12.8,+ "conditions": "fs = 550 kHz, FSEL ≥ 2.5 V, Phase pin open, RT open",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Shutdown current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 1,+ "typ": null,+ "max": 1.4,+ "conditions": "Shutdown, SS/ENA = 0 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "UVLO start threshold voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 2.95,+ "typ": null,+ "max": 3,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "UVLO stop threshold voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 2.7,+ "typ": null,+ "max": 2.8,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output voltage, VBIAS",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 2.7,+ "typ": 2.8,+ "max": 2.95,+ "conditions": "IVBIAS = 0",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output voltage tolerance (TPS54315, 2.5 V)",+ "symbol": "VO",+ "kind": "tolerance",+ "unit": "%",+ "min": -3,+ "typ": null,+ "max": 3,+ "conditions": "3 ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 3 A, −55°C ≤ TJ ≤ 125°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Internally set free-running frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 255,+ "typ": 350,+ "max": 450,+ "conditions": "FSEL ≤ 0.8 V, RT open",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Internally set free-running frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 400,+ "typ": 550,+ "max": 700,+ "conditions": "FSEL ≥ 2.5 V, RT open",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Externally set free-running frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 252,+ "typ": 280,+ "max": 308,+ "conditions": "RT = 180 kΩ (1% resistor to AGND)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Externally set free-running frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 290,+ "typ": 312,+ "max": 350,+ "conditions": "RT = 160 kΩ (1% resistor to AGND)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Externally set free-running frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 663,+ "typ": 700,+ "max": 762,+ "conditions": "RT = 68 kΩ (1% resistor to AGND)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Frequency range, FSEL",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 330,+ "typ": null,+ "max": 700,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Error amplifier unity gain bandwidth",+ "symbol": "",+ "kind": "electrical",+ "unit": "MHz",+ "min": 3,+ "typ": null,+ "max": 5,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "PWM comparator propagation delay time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": 70,+ "typ": null,+ "max": 85,+ "conditions": "PWM comparator input to PH pin, 10-mV overdrive (excluding dead time)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Enable threshold voltage, SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.82,+ "typ": 1.2,+ "max": 1.4,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Internal slow-start time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ms",+ "min": 3.5,+ "typ": 4.5,+ "max": 5.4,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Charge current, SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": 2.5,+ "typ": 5,+ "max": 8,+ "conditions": "SS/ENA = 0 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Discharge current, SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 1.2,+ "typ": 2.3,+ "max": 4,+ "conditions": "SS/ENA = 0.2 V, VI = 2.7 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output saturation voltage, PWRGD",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.18,+ "typ": null,+ "max": 0.3,+ "conditions": "I(sink) = 2.5 mA",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Current limit trip point",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": 4,+ "typ": null,+ "max": 6.5,+ "conditions": "VI = 3 V, output shorted",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown trip point",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C",+ "min": 135,+ "typ": 150,+ "max": 165,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Power MOSFET switches rDS(on)",+ "symbol": "rDS(on)",+ "kind": "electrical",+ "unit": "mΩ",+ "min": 59,+ "typ": null,+ "max": 88,+ "conditions": "VI = 6 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Power MOSFET switches rDS(on)",+ "symbol": "rDS(on)",+ "kind": "electrical",+ "unit": "mΩ",+ "min": 85,+ "typ": null,+ "max": 136,+ "conditions": "VI = 3 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output voltage, nominal (TPS54315)",+ "symbol": "VO",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 2.5,+ "max": null,+ "conditions": "TJ = 25°C, VIN = 5.0 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Thermal impedance, junction-to-ambient, 20-pin PWP with solder",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 26,+ "max": null,+ "conditions": "Test board per footnote (2), with solder",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Thermal impedance, junction-to-ambient, 20-pin PWP without solder",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 57.5,+ "max": null,+ "conditions": "Test board per footnote (2), without solder",+ "source_page": 4,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -300,4 +835,4 @@ "visibility": { "public": true }-}+}