component
RT7257BHZSP
Public Made by Adomby adom
Richtek Tech DC-DC Converters, SOIC-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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rt7257bhzsp: specified limits as data (metadata.characteristics, 22 rows from the datasheet)
2 files changed
+300
README.md+29@@ -33,6 +33,35 @@ Same part, different packaging or reel option. - `RT7257BHZSP` - `RT7257BHZSPLZSP` +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Supply Input Voltage | VIN | -0.3 | | 20 | V | | 4 |+| Switch Voltage | VSW | -0.3 | | | V | Printed as (VIN + 0.3V); maximum is not a fixed number | 4 |+| VBOOT − VSW | VBOOT − VSW | -0.3 | | 6 | V | | 4 |+| Other Pins Voltage | | -0.3 | | 20 | V | | 4 |+| Power Dissipation, SOP-8 (Exposed Pad) | PD | | | 1.333 | W | TA = 25°C | 4 |+| Package Thermal Resistance, SOP-8 (Exposed Pad) junction to ambient | θJA | | 75 | | °C/W | Note 2: TA = 25°C, four-layer JEDEC 51-7 test board | 4 |+| Package Thermal Resistance, SOP-8 (Exposed Pad) junction to case | θJC | | 15 | | °C/W | Measured at exposed pad | 4 |+| Lead Temperature (Soldering) | | | | 260 | °C | 10 sec soldering | 4 |+| Junction Temperature | | | | 150 | °C | | 4 |+| Storage Temperature Range | | -65 | | 150 | °C | | 4 |+| ESD Susceptibility HBM | | | | 2 | kV | Human Body Model | 4 |+| Supply Input Voltage | VIN | 4.5 | | 18 | V | | 4 |+| Junction Temperature Range | | -40 | | 125 | °C | | 4 |+| Ambient Temperature Range | | -40 | | 85 | °C | | 4 |+| Shutdown Supply Current | | | 0.5 | 3 | A | VEN = 0V | 4 |+| Supply Current | | | 0.8 | 1.2 | mA | VEN = 3V, VFB = 0.9V | 4 |+| Reference Voltage | VREF | 0.788 | 0.8 | 0.812 | V | 4.5V VIN 18V | 4 |+| High Side Switch Leakage Current | | | 0 | 10 | A | VEN = 0V, VSW = 0V | 4 |+| Oscillation Frequency | fOSC1 | 1 | 1.2 | 1.4 | MHz | | 4 |+| EN Input Threshold Logic-High Voltage | VIH | 2.7 | | 18 | V | | 5 |+| EN Input Threshold Logic-Low Voltage | VIL | | | 0.4 | V | | 5 |+| Input Under Voltage Lockout Threshold | VUVLO | 3.8 | 4.2 | 4.5 | V | VIN Rising | 5 |+ ## CAD (KiCad official) - Symbol: `RT7257BHZSP`
page.json+271@@ -165,6 +165,277 @@ "Package": "SOIC-8-EP", "Category": "PMIC", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "f9aaf4883cb3a8fc",+ "rows": [+ {+ "name": "Supply Input Voltage",+ "symbol": "VIN",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Switch Voltage",+ "symbol": "VSW",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": null,+ "conditions": "Printed as (VIN + 0.3V); maximum is not a fixed number",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "VBOOT − VSW",+ "symbol": "VBOOT − VSW",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Other Pins Voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Power Dissipation, SOP-8 (Exposed Pad)",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1.333,+ "conditions": "TA = 25°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Package Thermal Resistance, SOP-8 (Exposed Pad) junction to ambient",+ "symbol": "θJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 75,+ "max": null,+ "conditions": "Note 2: TA = 25°C, four-layer JEDEC 51-7 test board",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Package Thermal Resistance, SOP-8 (Exposed Pad) junction to case",+ "symbol": "θJC",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 15,+ "max": null,+ "conditions": "Measured at exposed pad",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Lead Temperature (Soldering)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 260,+ "conditions": "10 sec soldering",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "ESD Susceptibility HBM",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "kV",+ "min": null,+ "typ": null,+ "max": 2,+ "conditions": "Human Body Model",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Supply Input Voltage",+ "symbol": "VIN",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 4.5,+ "typ": null,+ "max": 18,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature Range",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Ambient Temperature Range",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 85,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Shutdown Supply Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 0.5,+ "max": 3,+ "conditions": "VEN = 0V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Supply Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.8,+ "max": 1.2,+ "conditions": "VEN = 3V, VFB = 0.9V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Reference Voltage",+ "symbol": "VREF",+ "kind": "electrical",+ "unit": "V",+ "min": 0.788,+ "typ": 0.8,+ "max": 0.812,+ "conditions": "4.5V VIN 18V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "High Side Switch Leakage Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 0,+ "max": 10,+ "conditions": "VEN = 0V, VSW = 0V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Oscillation Frequency",+ "symbol": "fOSC1",+ "kind": "electrical",+ "unit": "MHz",+ "min": 1,+ "typ": 1.2,+ "max": 1.4,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "EN Input Threshold Logic-High Voltage",+ "symbol": "VIH",+ "kind": "electrical",+ "unit": "V",+ "min": 2.7,+ "typ": null,+ "max": 18,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "EN Input Threshold Logic-Low Voltage",+ "symbol": "VIL",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.4,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Input Under Voltage Lockout Threshold",+ "symbol": "VUVLO",+ "kind": "electrical",+ "unit": "V",+ "min": 3.8,+ "typ": 4.2,+ "max": 4.5,+ "conditions": "VIN Rising",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "sections": [