component
U323
Public Made by Adomby adom
UNI SEMIC DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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u323: specified limits as data (metadata.characteristics, 31 rows from the datasheet)
2 files changed
+418−1
README.md+38@@ -26,6 +26,44 @@ U323 from UNI SEMIC, in a SOP-8. Pinout and pin descriptions extracted from the | Category | Power Management (PMIC) | | Pins | 8 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| HV pin voltage | | -0.3 | | 200 | V | | 5 |+| VDD supply voltage | | | | 25 | V | | 5 |+| VDD clamp current | | | | 10 | mA | | 5 |+| FB, CS, GATE, EN pin voltage | | -0.3 | | 7 | V | | 5 |+| Package thermal resistance, junction to ambient (SOP-8) | | | | 165 | °C/W | | 5 |+| Maximum operating junction temperature | | | | 160 | °C | | 5 |+| Storage temperature | | -65 | | 150 | °C | | 5 |+| Pin temperature (soldering, 10 s) | | | | 260 | °C | | 5 |+| ESD capability (human body model) | | | | 3 | KV | | 5 |+| ESD capability (machine model) | | | | 250 | V | | 5 |+| Operating ambient temperature | | -40 | | 125 | °C | | 5 |+| HV pin supply current | IHV | 1 | 5 | | mA | HV=150V, VDD=0V | 5 |+| HV pin leakage current | IHV_leakage | | | 50 | uA | HV=150V, VDD=12V | 5 |+| VDD start-up current | IVDD_st | | 100 | 300 | uA | 无开关工作 (no switching) | 5 |+| VDD operating current | IVDD_Op | | 800 | | uA | Fsw=60kHz | 5 |+| VDD quiescent current | IVDD_Q | | 200 | | uA | | 5 |+| VDD overvoltage protection threshold | VDD_OVP | | 28 | | V | | 5 |+| VDD clamp voltage | VDD_Clamp | | 30 | | V | IVDD=10mA | 5 |+| Switching frequency | | | 80 | | kHz | | 5 |+| Overload protection (OLP) detection threshold on FB | VFB | | 1.8 | | V | | 6 |+| Overload protection delay time | TD_OLP | | 100 | | ms | | 6 |+| Leading-edge blanking | TLEB | | 300 | | ns | | 6 |+| Overcurrent comparator delay | TD_OCP | | 100 | | ns | | 6 |+| Peak current threshold on CS | VIPK | | 0.2 | | V | | 6 |+| Typical minimum off time | TOFF_min_norm | | 7 | | us | | 6 |+| Typical maximum off time | TOFF_max_norm | | 1.4 | | ms | | 6 |+| Maximum off time in dynamic response mode | TOFF_max_FDR | | 100 | | us | | 6 |+| Maximum on time | TON_max | | 25 | | us | | 6 |+| Internal soft-start time | Tss | | 3 | | ms | | 6 |+| Auto-recovery delay time | TAuto_Recovery | | 500 | | ms | | 6 |+| Overtemperature protection threshold | TSD | | 150 | | °C | Note 3 (parameter depends on actual design) | 6 |+ ## CAD (KiCad official) - Symbol: `U323`
page.json+380−1@@ -177,6 +177,385 @@ "Package": "SOP-8", "Category": "Power Management (PMIC)", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "a870cdac11d209c2",+ "rows": [+ {+ "name": "HV pin voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 200,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD supply voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 25,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD clamp current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "FB, CS, GATE, EN pin voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 7,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Package thermal resistance, junction to ambient (SOP-8)",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": null,+ "max": 165,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Maximum operating junction temperature",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 160,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Pin temperature (soldering, 10 s)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 260,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "ESD capability (human body model)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "KV",+ "min": null,+ "typ": null,+ "max": 3,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "ESD capability (machine model)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 250,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Operating ambient temperature",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "HV pin supply current",+ "symbol": "IHV",+ "kind": "electrical",+ "unit": "mA",+ "min": 1,+ "typ": 5,+ "max": null,+ "conditions": "HV=150V, VDD=0V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "HV pin leakage current",+ "symbol": "IHV_leakage",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": null,+ "max": 50,+ "conditions": "HV=150V, VDD=12V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD start-up current",+ "symbol": "IVDD_st",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": 100,+ "max": 300,+ "conditions": "无开关工作 (no switching)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD operating current",+ "symbol": "IVDD_Op",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": 800,+ "max": null,+ "conditions": "Fsw=60kHz",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD quiescent current",+ "symbol": "IVDD_Q",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": 200,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD overvoltage protection threshold",+ "symbol": "VDD_OVP",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 28,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VDD clamp voltage",+ "symbol": "VDD_Clamp",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 30,+ "max": null,+ "conditions": "IVDD=10mA",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switching frequency",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "kHz",+ "min": null,+ "typ": 80,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Overload protection (OLP) detection threshold on FB",+ "symbol": "VFB",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1.8,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Overload protection delay time",+ "symbol": "TD_OLP",+ "kind": "timing",+ "unit": "ms",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Leading-edge blanking",+ "symbol": "TLEB",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 300,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Overcurrent comparator delay",+ "symbol": "TD_OCP",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Peak current threshold on CS",+ "symbol": "VIPK",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.2,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Typical minimum off time",+ "symbol": "TOFF_min_norm",+ "kind": "timing",+ "unit": "us",+ "min": null,+ "typ": 7,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Typical maximum off time",+ "symbol": "TOFF_max_norm",+ "kind": "timing",+ "unit": "ms",+ "min": null,+ "typ": 1.4,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Maximum off time in dynamic response mode",+ "symbol": "TOFF_max_FDR",+ "kind": "timing",+ "unit": "us",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Maximum on time",+ "symbol": "TON_max",+ "kind": "timing",+ "unit": "us",+ "min": null,+ "typ": 25,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Internal soft-start time",+ "symbol": "Tss",+ "kind": "timing",+ "unit": "ms",+ "min": null,+ "typ": 3,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Auto-recovery delay time",+ "symbol": "TAuto_Recovery",+ "kind": "timing",+ "unit": "ms",+ "min": null,+ "typ": 500,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Overtemperature protection threshold",+ "symbol": "TSD",+ "kind": "thermal",+ "unit": "°C",+ "min": null,+ "typ": 150,+ "max": null,+ "conditions": "Note 3 (parameter depends on actual design)",+ "source_page": 6,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -218,4 +597,4 @@ "visibility": { "public": true }-}+}