component
TPS54312PWPR
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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tps54312pwpr: specified limits as data (metadata.characteristics, 53 rows from the datasheet)
2 files changed
+704−1
README.md+60@@ -39,6 +39,66 @@ TPS54312PWPR from Texas Instruments, in a HTSSOP-20-EP. Pinout and pin descripti | Category | Power Management (PMIC) | | 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 VIN, SS/ENA, SYNC | VI | -0.3 | | 7 | V | | 4 |+| Input voltage RT | VI | -0.3 | | 6 | V | | 4 |+| Input voltage VSENSE | VI | -0.3 | | 4 | V | | 4 |+| Input voltage BOOT | VI | -0.3 | | 17 | V | | 4 |+| Output voltage VBIAS, PWRGD, COMP | VO | -0.3 | | 7 | V | | 4 |+| Output voltage PH | VO | -0.6 | | 10 | V | | 4 |+| Source current COMP, VBIAS | IO | | | 6 | mA | | 4 |+| Sink current PH | IS | | | 6 | A | | 4 |+| Sink current COMP | IS | | | 6 | mA | | 4 |+| Sink current SS/ENA, PWRGD | IS | | | 10 | mA | | 4 |+| Voltage differential AGND to PGND | | -0.3 | | 0.3 | V | | 4 |+| Operating virtual junction temperature TJ | TJ | -40 | | 125 | °C | | 4 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 4 |+| Input voltage range | VI | 3 | | 6 | V | | 4 |+| Operating junction temperature | TJ | -40 | | 125 | °C | | 4 |+| Input voltage range VIN | VIN | 3 | | 6 | V | | 5 |+| Quiescent current I(Q), fs = 350 kHz | I(Q) | 6.2 | | 9.6 | mA | fs = 350 kHz, FSEL ≤ 0.8 V, RT open | 5 |+| Quiescent current I(Q), fs = 550 kHz | I(Q) | 8.4 | | 12.8 | mA | fs = 550 kHz, FSEL ≤ 2.5 V, RT open, Phase pin open | 5 |+| Shutdown quiescent current | I(Q) | 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 |+| UVLO hysteresis voltage | | 0.14 | | 0.16 | V | | 5 |+| VBIAS output voltage | VBIAS | 2.7 | 2.8 | 2.9 | V | I(VBIAS) = 0 | 5 |+| Output voltage TPS54312 (1.2 V), TJ = 25°C | VO | | 1.2 | | V | TJ = 25°C, VIN = 5 V | 5 |+| Output voltage tolerance TPS54312 | VO | -2.5 | | 2.5 | % | 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 3 A, −40°C ≤ TJ ≤ 125°C | 5 |+| Minimum controllable on time | | 200 | | | ns | | 5 |+| Maximum duty cycle | | | | 90 | % | | 5 |+| Error amplifier unity gain bandwidth | | 3 | | 5 | MHz | | 6 |+| PWM comparator propagation delay | | 70 | | 85 | ns | 10-mV overdrive (excluding dead time) | 6 |+| Enable threshold voltage SS/ENA | | 0.82 | 1.2 | 1.4 | V | | 6 |+| Internal slow-start time TPS54312 | | 3.5 | 4.5 | 5.4 | ms | | 6 |+| Charge current SS/ENA | | 3 | 5 | 8 | µA | SS/ENA = 0 V | 6 |+| Discharge current SS/ENA | | 1.5 | 2.3 | 4 | mA | SS/ENA = 0.2 V, VI = 1.5 V | 6 |+| Output saturation voltage PWRGD | | 0.18 | | 0.3 | V | I(sink) = 2.5 mA | 6 |+| Current limit at VI = 3 V, output shorted | | | | 6.5 | A | VI = 3 V, output shorted | 6 |+| Current limit at VI = 6 V, output shorted | | 4.5 | | 7.5 | A | VI = 6 V, output shorted | 6 |+| Thermal shutdown trip point | | 135 | 150 | 165 | °C | | 6 |+| Power MOSFET rDS(on) at VI = 6 V | rDS(on) | 59 | | 88 | mΩ | VI = 6 V | 6 |+| Power MOSFET rDS(on) at IO = 3 A, VI = 3 V | rDS(on) | 85 | | 136 | mΩ | IO = 3 A, VI = 3 V | 6 |+| Line regulation | | | 0.21 | | %/V | IL = 3 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C | 5 |+| Load regulation | | | 0.21 | | %/A | IL = 0 A to 3 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C | 5 |+| Enable hysteresis voltage SS/ENA | | | 0.03 | | V | | 6 |+| Falling edge deglitch SS/ENA | | | 2.5 | | µs | | 6 |+| Powergood threshold voltage | | | 90 | | %Vref | VSENSE falling | 6 |+| Powergood hysteresis voltage | | | 3 | | %Vref | | 6 |+| Powergood falling edge deglitch | | | 35 | | µs | | 6 |+| Leakage current PWRGD | | | 1 | | µA | VI = 5.5 V | 6 |+| VBIAS output current | | | 100 | | µA | Static resistive loads only | 5 |+| Current limit leading edge blanking time | | | 100 | | ns | | 6 |+| Current limit total response time | | | 200 | | ns | | 6 |+| Thermal shutdown hysteresis | | | 10 | | °C | | 6 |+| Junction-to-ambient thermal resistance RθJA | RθJA | | 26 | | °C/W | PWP package with solder on PowerPAD; test board per footnote (1) | 4 |+| Junction-to-ambient thermal resistance without solder on PowerPAD | RθJA | | 57.5 | | °C/W | Without solder on PowerPAD; test board per footnote (1) | 4 |+ ## CAD (KiCad official) - Symbol: `TPS54312PWPR`
page.json+644−1@@ -259,6 +259,649 @@ "Package": "HTSSOP-20-EP", "Category": "Power Management (PMIC)", "Pins": "21"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "877a5f0bc56ab487",+ "rows": [+ {+ "name": "Input voltage VIN, SS/ENA, SYNC",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage RT",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage VSENSE",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 4,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage BOOT",+ "symbol": "VI",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 17,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Output voltage 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 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": "Sink current PH",+ "symbol": "IS",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Sink current COMP",+ "symbol": "IS",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Sink current SS/ENA, PWRGD",+ "symbol": "IS",+ "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 TJ",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "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": "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": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input voltage range VIN",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": 3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current I(Q), fs = 350 kHz",+ "symbol": "I(Q)",+ "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 I(Q), fs = 550 kHz",+ "symbol": "I(Q)",+ "kind": "electrical",+ "unit": "mA",+ "min": 8.4,+ "typ": null,+ "max": 12.8,+ "conditions": "fs = 550 kHz, FSEL ≤ 2.5 V, RT open, Phase pin open",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Shutdown quiescent current",+ "symbol": "I(Q)",+ "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": "UVLO hysteresis voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.14,+ "typ": null,+ "max": 0.16,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VBIAS output voltage",+ "symbol": "VBIAS",+ "kind": "electrical",+ "unit": "V",+ "min": 2.7,+ "typ": 2.8,+ "max": 2.9,+ "conditions": "I(VBIAS) = 0",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output voltage TPS54312 (1.2 V), TJ = 25°C",+ "symbol": "VO",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1.2,+ "max": null,+ "conditions": "TJ = 25°C, VIN = 5 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output voltage tolerance TPS54312",+ "symbol": "VO",+ "kind": "electrical",+ "unit": "%",+ "min": -2.5,+ "typ": null,+ "max": 2.5,+ "conditions": "3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 3 A, −40°C ≤ TJ ≤ 125°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Minimum controllable on time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": 200,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Maximum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": null,+ "max": 90,+ "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",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": 70,+ "typ": null,+ "max": 85,+ "conditions": "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 TPS54312",+ "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": 3,+ "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": 1.5,+ "typ": 2.3,+ "max": 4,+ "conditions": "SS/ENA = 0.2 V, VI = 1.5 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 at VI = 3 V, output shorted",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 6.5,+ "conditions": "VI = 3 V, output shorted",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Current limit at VI = 6 V, output shorted",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": 4.5,+ "typ": null,+ "max": 7.5,+ "conditions": "VI = 6 V, output shorted",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown trip point",+ "symbol": "",+ "kind": "electrical",+ "unit": "°C",+ "min": 135,+ "typ": 150,+ "max": 165,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Power MOSFET rDS(on) at VI = 6 V",+ "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 rDS(on) at IO = 3 A, VI = 3 V",+ "symbol": "rDS(on)",+ "kind": "electrical",+ "unit": "mΩ",+ "min": 85,+ "typ": null,+ "max": 136,+ "conditions": "IO = 3 A, VI = 3 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Line regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "%/V",+ "min": null,+ "typ": 0.21,+ "max": null,+ "conditions": "IL = 3 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Load regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "%/A",+ "min": null,+ "typ": 0.21,+ "max": null,+ "conditions": "IL = 0 A to 3 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Enable hysteresis voltage SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.03,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Falling edge deglitch SS/ENA",+ "symbol": "",+ "kind": "electrical",+ "unit": "µs",+ "min": null,+ "typ": 2.5,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Powergood threshold voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "%Vref",+ "min": null,+ "typ": 90,+ "max": null,+ "conditions": "VSENSE falling",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Powergood hysteresis voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "%Vref",+ "min": null,+ "typ": 3,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Powergood falling edge deglitch",+ "symbol": "",+ "kind": "electrical",+ "unit": "µs",+ "min": null,+ "typ": 35,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Leakage current PWRGD",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 1,+ "max": null,+ "conditions": "VI = 5.5 V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "VBIAS output current",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "Static resistive loads only",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Current limit leading edge blanking time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Current limit total response time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": null,+ "typ": 200,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal shutdown hysteresis",+ "symbol": "",+ "kind": "electrical",+ "unit": "°C",+ "min": null,+ "typ": 10,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance RθJA",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 26,+ "max": null,+ "conditions": "PWP package with solder on PowerPAD; test board per footnote (1)",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance without solder on PowerPAD",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 57.5,+ "max": null,+ "conditions": "Without solder on PowerPAD; test board per footnote (1)",+ "source_page": 4,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -300,4 +943,4 @@ "visibility": { "public": true }-}+}