component
UCC28084PWR
Public Made by Adomby adom
Texas Instruments DC-DC Controllers, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ucc28084pwr: specified limits as data (metadata.characteristics, 42 rows from the datasheet)
2 files changed
+561−1
README.md+49@@ -26,6 +26,55 @@ UCC28084PWR from Texas Instruments, in a TSSOP-8. Pinout and pin descriptions ex | Category | Power Supply Chip | | 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 |+|---|---|---|---|---|---|---|---|+| Start-up current (VDD < UVLO start threshold voltage) | | | 120 | 200 | µA | VDD < UVLO start threshold voltage | 3 |+| Supply current | IDD | | 1.5 | 2.5 | mA | CTRL = 0 V, CS = 0 V, See Note 1 | 3 |+| Start threshold voltage (UCC38084/6) | | 4.1 | 4.3 | 4.5 | V | | 3 |+| Minimum operating voltage after start (UCC38084/6) | | 3.9 | 4.1 | 4.3 | V | | 3 |+| Hysteresis voltage (UCC38084/6) | | 0.1 | 0.2 | 0.3 | V | | 3 |+| Frequency (2 x f(OUTA)) | | 180 | 200 | 220 | kHz | | 3 |+| Voltage amplitude (at ISET pin) | | 1.4 | 1.5 | 1.6 | V | See Note 2 | 3 |+| Oscillator fall time (dead time) | | | 110 | 220 | ns | | 3 |+| RT pin voltage | | 1.2 | 1.5 | 1.6 | V | | 3 |+| Gain | | 1.9 | 2.2 | 2.5 | V/V | See Note 3 | 4 |+| Maximum input signal voltage | | 0.47 | 0.52 | 0.57 | V | CTRL = 5 V, See Note 4 | 4 |+| CS to output delay time | | | 100 | 200 | ns | CTRL = 3.5 V, 0 mV ≤ CS ≤ 600 mV | 4 |+| Source current (CS pin) | | | | -200 | nA | | 4 |+| Sink current (CS pin) | | 3 | 7 | 12 | mA | CS = 0.5 V, RT = 2.0 V, See Note 5 | 4 |+| Overcurrent threshold voltage | | 0.7 | 0.75 | 0.8 | V | | 4 |+| CTRL to CS offset voltage (25°C) | | 0.55 | 0.7 | 0.9 | V | CS = 0 V, 25°C | 4 |+| CTRL to CS offset voltage | | 0.37 | 0.7 | 1.1 | V | CS = 0 V | 4 |+| Maximum duty cycle | | 48 | 49 | 50 | % | Measured at OUTA or OUTB, See Note 7 | 4 |+| Minimum duty cycle | | 0 | | | % | CTRL = 0 V | 4 |+| Low-level output voltage (OUTA or OUTB) | | | 0.5 | 1 | V | IOUT = 100 mA | 4 |+| High-level output voltage (OUTA or OUTB), VDD − VOUT | | | 0.5 | 1 | V | IOUT = −50 mA, (VDD − VOUT), See Note 6 | 4 |+| Rise time | | | 25 | 60 | ns | CLOAD = 1 nF | 4 |+| Fall time | | | 25 | 60 | ns | CLOAD = 1 nF | 4 |+| OUTA/OUTB soft-start interval time (UCC38083/4) | | 1.3 | 3.5 | 8.5 | ms | CTRL = 1.8 V, CS = 0 V, Duty cycle from 0 to full, See Note 8 | 4 |+| IRAMP, peak slope compensation current | IRAMP | 125 | 150 | 175 | µA | ISET, peak = 30 µA, Full duty cycle | 4 |+| Supply voltage VDD | VDD | | | 15 | V | IDD < 10 mA | 3 |+| Supply current IDD | IDD | | | 20 | mA | | 3 |+| Sink current (peak) OUTA | | | | 1 | A | | 3 |+| Sink current (peak) OUTB | | | | 1 | A | | 3 |+| Source current (peak) OUTA | | -0.5 | | | A | | 3 |+| Source current (peak) OUTB | | -0.5 | | | A | | 3 |+| Analog input CTRL (upper limit VDD +0.3 V) | CTRL | -0.3 | | | V | | 3 |+| Analog input CS (upper limit VDD +0.3 V, not to exceed 6 V) | CS | -0.3 | | 6 | V | | 3 |+| RSET (minimum) | RSET | 5 | | | kΩ | | 3 |+| RT pin voltage (absolute limits) | RT | -0.3 | | 2 | V | −100 µA < IRT < 100 µA | 3 |+| Power dissipation (PW package) | | | | 400 | mW | TA = 25°C | 3 |+| Junction operating temperature | TJ | -55 | | 150 | °C | | 3 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 3 |+| Lead temperature | | | | 300 | °C | soldering 10 seconds | 3 |+| Operating free-air temperature range (UCC28084 option) | TA | -40 | | 85 | °C | | 2 |+| Thermal resistance junction-to-case, TSSOP-8 (PW) | θjc | | 32 | | °C/W | Modeled data, See Note 2 | 2 |+| Thermal resistance junction-to-ambient, TSSOP-8 (PW) | θja | 232 | | 257 | °C/W | Modeled data; lower value for 3x3 inch, higher for 1x1 inch ground plane, See Note 2 | 2 |+ ## CAD (KiCad official) - Symbol: `UCC28084PWR`
page.json+512−1@@ -180,6 +180,517 @@ "Package": "TSSOP-8", "Category": "Power Supply Chip", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "19bab60962d5c6f5",+ "rows": [+ {+ "name": "Start-up current (VDD < UVLO start threshold voltage)",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 120,+ "max": 200,+ "conditions": "VDD < UVLO start threshold voltage",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Supply current",+ "symbol": "IDD",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 1.5,+ "max": 2.5,+ "conditions": "CTRL = 0 V, CS = 0 V, See Note 1",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Start threshold voltage (UCC38084/6)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 4.1,+ "typ": 4.3,+ "max": 4.5,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Minimum operating voltage after start (UCC38084/6)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 3.9,+ "typ": 4.1,+ "max": 4.3,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Hysteresis voltage (UCC38084/6)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.1,+ "typ": 0.2,+ "max": 0.3,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Frequency (2 x f(OUTA))",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 180,+ "typ": 200,+ "max": 220,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Voltage amplitude (at ISET pin)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.4,+ "typ": 1.5,+ "max": 1.6,+ "conditions": "See Note 2",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Oscillator fall time (dead time)",+ "symbol": "",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 110,+ "max": 220,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "RT pin voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.2,+ "typ": 1.5,+ "max": 1.6,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Gain",+ "symbol": "",+ "kind": "electrical",+ "unit": "V/V",+ "min": 1.9,+ "typ": 2.2,+ "max": 2.5,+ "conditions": "See Note 3",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Maximum input signal voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.47,+ "typ": 0.52,+ "max": 0.57,+ "conditions": "CTRL = 5 V, See Note 4",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "CS to output delay time",+ "symbol": "",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 100,+ "max": 200,+ "conditions": "CTRL = 3.5 V, 0 mV ≤ CS ≤ 600 mV",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Source current (CS pin)",+ "symbol": "",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": -200,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Sink current (CS pin)",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 3,+ "typ": 7,+ "max": 12,+ "conditions": "CS = 0.5 V, RT = 2.0 V, See Note 5",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Overcurrent threshold voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.7,+ "typ": 0.75,+ "max": 0.8,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "CTRL to CS offset voltage (25°C)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.55,+ "typ": 0.7,+ "max": 0.9,+ "conditions": "CS = 0 V, 25°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "CTRL to CS offset voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.37,+ "typ": 0.7,+ "max": 1.1,+ "conditions": "CS = 0 V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Maximum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": 48,+ "typ": 49,+ "max": 50,+ "conditions": "Measured at OUTA or OUTB, See Note 7",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Minimum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": 0,+ "typ": null,+ "max": null,+ "conditions": "CTRL = 0 V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Low-level output voltage (OUTA or OUTB)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.5,+ "max": 1,+ "conditions": "IOUT = 100 mA",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "High-level output voltage (OUTA or OUTB), VDD − VOUT",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.5,+ "max": 1,+ "conditions": "IOUT = −50 mA, (VDD − VOUT), See Note 6",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Rise time",+ "symbol": "",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 25,+ "max": 60,+ "conditions": "CLOAD = 1 nF",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Fall time",+ "symbol": "",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 25,+ "max": 60,+ "conditions": "CLOAD = 1 nF",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "OUTA/OUTB soft-start interval time (UCC38083/4)",+ "symbol": "",+ "kind": "timing",+ "unit": "ms",+ "min": 1.3,+ "typ": 3.5,+ "max": 8.5,+ "conditions": "CTRL = 1.8 V, CS = 0 V, Duty cycle from 0 to full, See Note 8",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "IRAMP, peak slope compensation current",+ "symbol": "IRAMP",+ "kind": "electrical",+ "unit": "µA",+ "min": 125,+ "typ": 150,+ "max": 175,+ "conditions": "ISET, peak = 30 µA, Full duty cycle",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Supply voltage VDD",+ "symbol": "VDD",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 15,+ "conditions": "IDD < 10 mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Supply current IDD",+ "symbol": "IDD",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Sink current (peak) OUTA",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Sink current (peak) OUTB",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Source current (peak) OUTA",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": -0.5,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Source current (peak) OUTB",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": -0.5,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Analog input CTRL (upper limit VDD +0.3 V)",+ "symbol": "CTRL",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Analog input CS (upper limit VDD +0.3 V, not to exceed 6 V)",+ "symbol": "CS",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "RSET (minimum)",+ "symbol": "RSET",+ "kind": "absolute_maximum",+ "unit": "kΩ",+ "min": 5,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "RT pin voltage (absolute limits)",+ "symbol": "RT",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 2,+ "conditions": "−100 µA < IRT < 100 µA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Power dissipation (PW package)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 400,+ "conditions": "TA = 25°C",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Junction operating temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Lead temperature",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 300,+ "conditions": "soldering 10 seconds",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Operating free-air temperature range (UCC28084 option)",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 85,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance junction-to-case, TSSOP-8 (PW)",+ "symbol": "θjc",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 32,+ "max": null,+ "conditions": "Modeled data, See Note 2",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance junction-to-ambient, TSSOP-8 (PW)",+ "symbol": "θja",+ "kind": "thermal",+ "unit": "°C/W",+ "min": 232,+ "typ": null,+ "max": 257,+ "conditions": "Modeled data; lower value for 3x3 inch, higher for 1x1 inch ground plane, See Note 2",+ "source_page": 2,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -221,4 +732,4 @@ "visibility": { "public": true }-}+}