component
TPS54317RHFR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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tps54317rhfr: specified limits as data (metadata.characteristics, 57 rows from the datasheet)
2 files changed
+756−1
README.md+64@@ -43,6 +43,70 @@ TPS54317RHFR from Texas Instruments, in a VQFN-24-EP(4x5). Pinout and pin descri | Category | Power Supply Chip | | Pins | 25 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| VIN, SS/ENA, SYNC input voltage range | VI | -0.3 | | 7 | V | | 2 |+| RT input voltage range | VI | -0.3 | | 6 | V | | 2 |+| VSENSE input voltage range | VI | -0.3 | | 4 | V | | 2 |+| BOOT input voltage range | VI | -0.3 | | 17 | V | | 2 |+| VBIAS, PWRGD, COMP input voltage range | VI | -0.3 | | 7 | V | | 2 |+| PH output voltage range, steady state | VO | -0.6 | | 10 | V | steady state | 2 |+| PH output voltage range, transient | VO | -2 | | 10 | V | transient < 20 ns | 2 |+| COMP, VBIAS output current range | IO | | | 6 | mA | | 2 |+| PH output current range | IO | | | 6 | A | | 2 |+| COMP sink current | | | | 6 | mA | | 2 |+| SS/ENA, PWRGD sink current | | | | 10 | mA | | 2 |+| Voltage differential AGND to PGND | | -0.3 | | 0.3 | V | | 2 |+| Operating virtual junction temperature range | TJ | -40 | | 150 | °C | | 2 |+| Storage temperature range | Tstg | -65 | | 150 | °C | | 2 |+| Input voltage range | VI | 3 | | 6 | V | | 2 |+| Operating junction temperature | TJ | -40 | | 125 | °C | | 2 |+| Junction-to-ambient thermal impedance, 24-pin RHF with solder | | | 19.7 | | °C/W | Test board per note (2): 3 in x 3 in, 4 layers, 6 thermal vias | 3 |+| Junction-to-case thermal impedance, 24-pin RHF with solder | | | 1.7 | | °C/W | | 3 |+| Input voltage range, VIN | VI | 3 | | 6 | V | TJ = -40 °C to 125 °C | 3 |+| Quiescent current | IQ | | 6.2 | 9.6 | mA | fs = 350 kHz, SYNC = 0.8 V, RT open | 3 |+| Quiescent current | IQ | | 8.4 | 12.8 | mA | fs = 550 kHz, SYNC ≥ 2.5 V, RT open, phase pin open | 3 |+| Shutdown current | IQ | | 1 | 1.4 | mA | Shutdown, SS/ENA = 0 V | 3 |+| Start threshold voltage, UVLO | | | 2.95 | 3 | V | | 3 |+| Stop threshold voltage, UVLO | | | 2.7 | 2.8 | V | | 3 |+| Hysteresis voltage, UVLO | | | 0.14 | 0.16 | V | | 3 |+| Output voltage, VBIAS | VO | 2.7 | 2.8 | 2.9 | V | I(VBIAS) = 0 | 3 |+| Output current, VBIAS | | | | 100 | µA | Static resistive loads only | 3 |+| Vref accuracy | Vref | 0.882 | 0.891 | 0.9 | V | | 3 |+| Internally set free-running frequency range | fs | 280 | 350 | 420 | kHz | SYNC ≤ 0.8 V, RT open | 3 |+| Internally set free-running frequency range | fs | 440 | 550 | 660 | kHz | SYNC ≥ 2.5 V, RT open | 3 |+| Externally set free-running frequency range | fs | 460 | 500 | 540 | kHz | RT = 100 kΩ (1% resistor to AGND) | 3 |+| Externally set free-running frequency range | fs | 995 | 1075 | 1155 | kHz | RT = 43 kΩ (1% resistor to AGND) | 3 |+| High-level threshold voltage, SYNC | | 2.5 | | | V | | 3 |+| Low-level threshold voltage, SYNC | | | | 0.8 | V | | 3 |+| Pulse duration, SYNC | | 50 | | | ns | Specified by design | 3 |+| Frequency range, SYNC | | 330 | | 1600 | kHz | | 3 |+| Minimum controllable on time | | | | 150 | ns | | 3 |+| Maximum duty cycle | | | | 90 | % | | 3 |+| Error amplifier open loop voltage gain | | | 90 | 110 | dB | 1 kΩ COMP to AGND | 4 |+| Error amplifier unity gain bandwidth | | | 3 | 5 | MHz | Parallel 10 kΩ, 160 pF COMP to AGND | 4 |+| Error amplifier common-mode input voltage range | | 0 | | | V | Powered by internal LDO; upper limit is VBIAS (not numeric) | 4 |+| Input bias current, VSENSE | IIB | | 60 | 250 | nA | VSENSE = Vref | 4 |+| Output voltage slew rate (symmetric), VO COMP | | | 1 | 1.4 | V/µs | | 4 |+| PWM comparator propagation delay time, PWM comparator input to PH pin (excluding dead time) | | | 70 | 85 | ns | 10 mV overdrive | 4 |+| Enable threshold voltage, SS/ENA | | 0.82 | 1.2 | 1.4 | V | | 4 |+| Voltage to regulate using the internal Vref, SS/ENA | | | 1.95 | 2.2 | V | | 4 |+| Internal slow-start time | | 2.6 | 3.35 | 4.1 | ms | | 4 |+| Charge current, SS/ENA | | 3 | 5 | 8 | µA | SS/ENA = 0 V | 4 |+| Discharge current, SS/ENA | | 1.5 | 2.3 | 4 | mA | SS/ENA = 0.2 V, VI = 2.7 V | 4 |+| Output saturation voltage, PWRGD | | | 0.18 | 0.3 | V | I(sink) = 2.5 mA | 4 |+| Leakage current, PWRGD | | | | 1 | µA | VI = 5.5 V | 4 |+| Current limit trip point | | | 4 | 6.5 | A | VI = 3 V, output shorted | 4 |+| Current limit trip point | | | 4.5 | 7.5 | A | VI = 6 V, output shorted | 4 |+| Thermal shutdown trip point | | 135 | 150 | 165 | °C | | 4 |+| Thermal shutdown hysteresis | | | 10 | | °C | | 4 |+| Power MOSFET switches rDS(on) | rDS(on) | | 59 | 88 | mΩ | VI = 6 V | 4 |+| Power MOSFET switches rDS(on) | rDS(on) | | 85 | 136 | mΩ | VI = 3 V | 4 |+ ## CAD (KiCad official) - Symbol: `TPS54317RHFR`
page.json+692−1@@ -282,6 +282,697 @@ "Package": "VQFN-24-EP(4x5)", "Category": "Power Supply Chip", "Pins": "25"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "e397d8e9ee178832",+ "rows": [+ {+ "name": "VIN, SS/ENA, SYNC input voltage range",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "RT input voltage range",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "VSENSE input voltage range",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 4,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "BOOT input voltage range",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 17,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "VBIAS, PWRGD, COMP input voltage range",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "PH output voltage range, steady state",+ "symbol": "VO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.6,+ "typ": null,+ "max": 10,+ "conditions": "steady state",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "PH output voltage range, transient",+ "symbol": "VO",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -2,+ "typ": null,+ "max": 10,+ "conditions": "transient < 20 ns",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "COMP, VBIAS output current range",+ "symbol": "IO",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "PH output current range",+ "symbol": "IO",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "COMP sink current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "SS/ENA, PWRGD sink current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 2,+ "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": 2,+ "source": "datasheet"+ },+ {+ "name": "Operating virtual junction temperature range",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature range",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range",+ "symbol": "VI",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Operating junction temperature",+ "symbol": "TJ",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal impedance, 24-pin RHF with solder",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 19.7,+ "max": null,+ "conditions": "Test board per note (2): 3 in x 3 in, 4 layers, 6 thermal vias",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case thermal impedance, 24-pin RHF with solder",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 1.7,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range, VIN",+ "symbol": "VI",+ "kind": "electrical",+ "unit": "V",+ "min": 3,+ "typ": null,+ "max": 6,+ "conditions": "TJ = -40 °C to 125 °C",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 6.2,+ "max": 9.6,+ "conditions": "fs = 350 kHz, SYNC = 0.8 V, RT open",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 8.4,+ "max": 12.8,+ "conditions": "fs = 550 kHz, SYNC ≥ 2.5 V, RT open, phase pin open",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Shutdown current",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 1,+ "max": 1.4,+ "conditions": "Shutdown, SS/ENA = 0 V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Start threshold voltage, UVLO",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 2.95,+ "max": 3,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Stop threshold voltage, UVLO",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 2.7,+ "max": 2.8,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Hysteresis voltage, UVLO",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.14,+ "max": 0.16,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Output voltage, VBIAS",+ "symbol": "VO",+ "kind": "electrical",+ "unit": "V",+ "min": 2.7,+ "typ": 2.8,+ "max": 2.9,+ "conditions": "I(VBIAS) = 0",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Output current, VBIAS",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "Static resistive loads only",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Vref accuracy",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "V",+ "min": 0.882,+ "typ": 0.891,+ "max": 0.9,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Internally set free-running frequency range",+ "symbol": "fs",+ "kind": "electrical",+ "unit": "kHz",+ "min": 280,+ "typ": 350,+ "max": 420,+ "conditions": "SYNC ≤ 0.8 V, RT open",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Internally set free-running frequency range",+ "symbol": "fs",+ "kind": "electrical",+ "unit": "kHz",+ "min": 440,+ "typ": 550,+ "max": 660,+ "conditions": "SYNC ≥ 2.5 V, RT open",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Externally set free-running frequency range",+ "symbol": "fs",+ "kind": "electrical",+ "unit": "kHz",+ "min": 460,+ "typ": 500,+ "max": 540,+ "conditions": "RT = 100 kΩ (1% resistor to AGND)",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Externally set free-running frequency range",+ "symbol": "fs",+ "kind": "electrical",+ "unit": "kHz",+ "min": 995,+ "typ": 1075,+ "max": 1155,+ "conditions": "RT = 43 kΩ (1% resistor to AGND)",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "High-level threshold voltage, SYNC",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 2.5,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Low-level threshold voltage, SYNC",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.8,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Pulse duration, SYNC",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": 50,+ "typ": null,+ "max": null,+ "conditions": "Specified by design",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Frequency range, SYNC",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 330,+ "typ": null,+ "max": 1600,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Minimum controllable on time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Maximum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": null,+ "max": 90,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Error amplifier open loop voltage gain",+ "symbol": "",+ "kind": "electrical",+ "unit": "dB",+ "min": null,+ "typ": 90,+ "max": 110,+ "conditions": "1 kΩ COMP to AGND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Error amplifier unity gain bandwidth",+ "symbol": "",+ "kind": "electrical",+ "unit": "MHz",+ "min": null,+ "typ": 3,+ "max": 5,+ "conditions": "Parallel 10 kΩ, 160 pF COMP to AGND",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Error amplifier common-mode input voltage range",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0,+ "typ": null,+ "max": null,+ "conditions": "Powered by internal LDO; upper limit is VBIAS (not numeric)",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input bias current, VSENSE",+ "symbol": "IIB",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": 60,+ "max": 250,+ "conditions": "VSENSE = Vref",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage slew rate (symmetric), VO COMP",+ "symbol": "",+ "kind": "electrical",+ "unit": "V/µs",+ "min": null,+ "typ": 1,+ "max": 1.4,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PWM comparator propagation delay time, PWM comparator input to PH pin (excluding dead time)",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": null,+ "typ": 70,+ "max": 85,+ "conditions": "10 mV overdrive",+ "source_page": 4,+ "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": 4,+ "source": "datasheet"+ },+ {+ "name": "Voltage to regulate using the internal Vref, SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1.95,+ "max": 2.2,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Internal slow-start time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ms",+ "min": 2.6,+ "typ": 3.35,+ "max": 4.1,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Charge current, SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": 3,+ "typ": 5,+ "max": 8,+ "conditions": "SS/ENA = 0 V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Discharge current, SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 1.5,+ "typ": 2.3,+ "max": 4,+ "conditions": "SS/ENA = 0.2 V, VI = 2.7 V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output saturation voltage, PWRGD",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.18,+ "max": 0.3,+ "conditions": "I(sink) = 2.5 mA",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Leakage current, PWRGD",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "VI = 5.5 V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Current limit trip point",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 4,+ "max": 6.5,+ "conditions": "VI = 3 V, output shorted",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Current limit trip point",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 4.5,+ "max": 7.5,+ "conditions": "VI = 6 V, output shorted",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown trip point",+ "symbol": "",+ "kind": "electrical",+ "unit": "°C",+ "min": 135,+ "typ": 150,+ "max": 165,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown hysteresis",+ "symbol": "",+ "kind": "electrical",+ "unit": "°C",+ "min": null,+ "typ": 10,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Power MOSFET switches rDS(on)",+ "symbol": "rDS(on)",+ "kind": "electrical",+ "unit": "mΩ",+ "min": null,+ "typ": 59,+ "max": 88,+ "conditions": "VI = 6 V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Power MOSFET switches rDS(on)",+ "symbol": "rDS(on)",+ "kind": "electrical",+ "unit": "mΩ",+ "min": null,+ "typ": 85,+ "max": 136,+ "conditions": "VI = 3 V",+ "source_page": 4,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -323,4 +1014,4 @@ "visibility": { "public": true }-}+}