component
UCC2801PW
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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ucc2801pw: specified limits as data (metadata.characteristics, 52 rows from the datasheet)
2 files changed
+691−1
README.md+59@@ -26,6 +26,65 @@ UCC2801PW from Texas Instruments, in a TSSOP-8. Pinout and pin descriptions extr | 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 |+|---|---|---|---|---|---|---|---|+| VCC voltage | | | | 12 | V | | 6 |+| VCC current | | | | 30 | mA | | 6 |+| OUT current | | -1 | | 1 | A | | 6 |+| OUT energy (capacitive load) | | | | 20 | µJ | | 6 |+| Analog inputs (FB, CS, RC, COMP) | | -0.3 | | 6.3 | V | max is the lesser of 6.3 V or VCC + 0.3 V (footnote 4) | 6 |+| Lead temperature, soldering (10 s) | | | | 300 | °C | | 6 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 6 |+| Junction temperature | TJ | -55 | | 150 | °C | | 6 |+| VCC bias supply voltage from low impedance source | VVCC | | | 11 | V | | 6 |+| Voltage on analog pins | VFB, VCS, VRC, VCOMP | -0.1 | | 6 | V | max printed as '6 or VVCC' (lesser value) | 6 |+| Gate driver output voltage | VOUT | -0.1 | | | V | max printed symbolically as VVCC | 6 |+| Supply bias current | IVCC | | | 25 | mA | | 6 |+| Average OUT pin current | IOUT | | | 20 | mA | | 6 |+| REF pin output current | IREF | | | 5 | mA | | 6 |+| Oscillator frequency | fOSC | | | 1 | MHz | | 6 |+| Operating free-air temperature | TA | -40 | | 125 | °C | | 6 |+| Output voltage (REFERENCE) | | 4.925 | 5 | 5.075 | V | TJ = 25°C, I = 0.2 mA | 7 |+| Load regulation | | | 10 | 30 | mV | 0.2 mA < I < 5 mA | 7 |+| Line regulation | | | | 1.9 | mV/V | TJ = 25°C, VCC = 10 V to clamp (IVCC = 25 mA) | 7 |+| Line regulation | | | | 2.5 | mV/V | TJ = –40°C to 125°C, VCC = 10 V to clamp (IVCC = 25 mA) | 7 |+| Total variation (reference) | | 4.88 | 5 | 5.1 | V | | 7 |+| Output short circuit | | -35 | | -5 | mA | | 7 |+| Long term stability | | | | 5 | mV | TA = 125°C, 1000 hours | 7 |+| Oscillator frequency | | 40 | 46 | 52 | kHz | UCC2801 column; footnote 2: twice the output frequency for UCC2801 | 7 |+| Temperature stability (oscillator) | | | | 2.5 | % | | 7 |+| Amplitude peak-to-peak (oscillator) | | 2.25 | 2.4 | 2.55 | V | | 7 |+| Error amplifier input voltage | | 2.44 | 2.5 | 2.56 | V | COMP = 2.5 V | 7 |+| Error amplifier input bias current | | -1 | | 1 | µA | | 7 |+| Open loop voltage gain | | 60 | 80 | | dB | | 7 |+| COMP sink current | | 0.3 | | 3.5 | mA | FB = 2.7 V, COMP = 1.1 V | 7 |+| COMP source current | | -0.2 | -0.5 | -0.8 | mA | FB = 1.8 V, COMP = REF – 1.2 V | 7 |+| Maximum duty cycle | | 48 | 49 | 50 | % | UCC2801 column | 8 |+| Current sense gain | | 1.1 | 1.65 | 1.8 | V/V | 0 ≤ VCS ≤ 0.8 V | 8 |+| Maximum input signal | | 0.9 | 1 | 1.1 | V | COMP = 5 V; measured at latch trip point with pin 2 (FB) at 0 V | 8 |+| Current sense input bias current | | -200 | | 200 | nA | | 8 |+| CS blank time | | 50 | 100 | 150 | ns | | 8 |+| Overcurrent threshold | | 1.42 | 1.55 | 1.68 | V | | 8 |+| COMP to CS offset | | 0.45 | 0.9 | 1.35 | V | CS = 0 V | 8 |+| OUT low level | | | 0.1 | 0.4 | V | I = 20 mA | 8 |+| OUT low level | | | 0.35 | 0.9 | V | I = 200 mA | 8 |+| OUT low level | | | 0.7 | 1.2 | V | I = 20 mA, VCC = 0 V | 8 |+| OUT high VSAT (VCC-OUT) | | | 0.15 | 0.4 | V | I = 20 mA | 8 |+| OUT high VSAT (VCC-OUT) | | | 1 | 1.9 | V | I = 200 mA | 8 |+| Rise time | | | 41 | 70 | ns | CL = 1 nF | 8 |+| Fall time | | | 44 | 75 | ns | CL = 1 nF | 8 |+| Start threshold (UVLO) | | 8.6 | 9.4 | 10.2 | V | UCC2801 column | 8 |+| Stop threshold (UVLO) | | 6.8 | 7.4 | 8 | V | UCC2801 column | 8 |+| Start to stop hysteresis (UVLO) | | 1.6 | 2 | 2.4 | V | UCC2801 column | 8 |+| COMP rise time (soft start) | | | 4 | 10 | ms | FB = 1.8 V, rise from 0.5 V to REF – 1 V | 8 |+| Start-up current | | | 0.1 | 0.2 | mA | VCC < start threshold | 8 |+| Operating supply current | | | 0.5 | 1 | mA | FB = 0 V, CS = 0 V | 8 |+| VCC internal Zener voltage | | 12 | 13.5 | 15 | V | ICC = 10 mA | 8 |+ ## CAD (KiCad official) - Symbol: `UCC2801PW`
page.json+632−1@@ -180,6 +180,637 @@ "Package": "TSSOP-8", "Category": "Power Supply Chip", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "4ea6450f4489b173",+ "rows": [+ {+ "name": "VCC voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 12,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "VCC current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 30,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "OUT current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": -1,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "OUT energy (capacitive load)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "µJ",+ "min": null,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Analog inputs (FB, CS, RC, COMP)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6.3,+ "conditions": "max is the lesser of 6.3 V or VCC + 0.3 V (footnote 4)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Lead temperature, soldering (10 s)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 300,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Junction temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "VCC bias supply voltage from low impedance source",+ "symbol": "VVCC",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 11,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Voltage on analog pins",+ "symbol": "VFB, VCS, VRC, VCOMP",+ "kind": "recommended_operating",+ "unit": "V",+ "min": -0.1,+ "typ": null,+ "max": 6,+ "conditions": "max printed as '6 or VVCC' (lesser value)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Gate driver output voltage",+ "symbol": "VOUT",+ "kind": "recommended_operating",+ "unit": "V",+ "min": -0.1,+ "typ": null,+ "max": null,+ "conditions": "max printed symbolically as VVCC",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Supply bias current",+ "symbol": "IVCC",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 25,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Average OUT pin current",+ "symbol": "IOUT",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "REF pin output current",+ "symbol": "IREF",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Oscillator frequency",+ "symbol": "fOSC",+ "kind": "recommended_operating",+ "unit": "MHz",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Operating free-air temperature",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output voltage (REFERENCE)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 4.925,+ "typ": 5,+ "max": 5.075,+ "conditions": "TJ = 25°C, I = 0.2 mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Load regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 10,+ "max": 30,+ "conditions": "0.2 mA < I < 5 mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Line regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": null,+ "max": 1.9,+ "conditions": "TJ = 25°C, VCC = 10 V to clamp (IVCC = 25 mA)",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Line regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": null,+ "max": 2.5,+ "conditions": "TJ = –40°C to 125°C, VCC = 10 V to clamp (IVCC = 25 mA)",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Total variation (reference)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 4.88,+ "typ": 5,+ "max": 5.1,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Output short circuit",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": -35,+ "typ": null,+ "max": -5,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Long term stability",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "TA = 125°C, 1000 hours",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Oscillator frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 40,+ "typ": 46,+ "max": 52,+ "conditions": "UCC2801 column; footnote 2: twice the output frequency for UCC2801",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Temperature stability (oscillator)",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": null,+ "max": 2.5,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Amplitude peak-to-peak (oscillator)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 2.25,+ "typ": 2.4,+ "max": 2.55,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Error amplifier input voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 2.44,+ "typ": 2.5,+ "max": 2.56,+ "conditions": "COMP = 2.5 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Error amplifier input bias current",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": -1,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Open loop voltage gain",+ "symbol": "",+ "kind": "electrical",+ "unit": "dB",+ "min": 60,+ "typ": 80,+ "max": null,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "COMP sink current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": 0.3,+ "typ": null,+ "max": 3.5,+ "conditions": "FB = 2.7 V, COMP = 1.1 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "COMP source current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": -0.2,+ "typ": -0.5,+ "max": -0.8,+ "conditions": "FB = 1.8 V, COMP = REF – 1.2 V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Maximum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": 48,+ "typ": 49,+ "max": 50,+ "conditions": "UCC2801 column",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Current sense gain",+ "symbol": "",+ "kind": "electrical",+ "unit": "V/V",+ "min": 1.1,+ "typ": 1.65,+ "max": 1.8,+ "conditions": "0 ≤ VCS ≤ 0.8 V",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Maximum input signal",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.9,+ "typ": 1,+ "max": 1.1,+ "conditions": "COMP = 5 V; measured at latch trip point with pin 2 (FB) at 0 V",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Current sense input bias current",+ "symbol": "",+ "kind": "electrical",+ "unit": "nA",+ "min": -200,+ "typ": null,+ "max": 200,+ "conditions": "",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "CS blank time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": 50,+ "typ": 100,+ "max": 150,+ "conditions": "",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Overcurrent threshold",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.42,+ "typ": 1.55,+ "max": 1.68,+ "conditions": "",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "COMP to CS offset",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.45,+ "typ": 0.9,+ "max": 1.35,+ "conditions": "CS = 0 V",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "OUT low level",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.1,+ "max": 0.4,+ "conditions": "I = 20 mA",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "OUT low level",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.35,+ "max": 0.9,+ "conditions": "I = 200 mA",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "OUT low level",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.7,+ "max": 1.2,+ "conditions": "I = 20 mA, VCC = 0 V",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "OUT high VSAT (VCC-OUT)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.15,+ "max": 0.4,+ "conditions": "I = 20 mA",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "OUT high VSAT (VCC-OUT)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1,+ "max": 1.9,+ "conditions": "I = 200 mA",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Rise time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": null,+ "typ": 41,+ "max": 70,+ "conditions": "CL = 1 nF",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Fall time",+ "symbol": "",+ "kind": "electrical",+ "unit": "ns",+ "min": null,+ "typ": 44,+ "max": 75,+ "conditions": "CL = 1 nF",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Start threshold (UVLO)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 8.6,+ "typ": 9.4,+ "max": 10.2,+ "conditions": "UCC2801 column",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Stop threshold (UVLO)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 6.8,+ "typ": 7.4,+ "max": 8,+ "conditions": "UCC2801 column",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Start to stop hysteresis (UVLO)",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.6,+ "typ": 2,+ "max": 2.4,+ "conditions": "UCC2801 column",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "COMP rise time (soft start)",+ "symbol": "",+ "kind": "electrical",+ "unit": "ms",+ "min": null,+ "typ": 4,+ "max": 10,+ "conditions": "FB = 1.8 V, rise from 0.5 V to REF – 1 V",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Start-up current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.1,+ "max": 0.2,+ "conditions": "VCC < start threshold",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Operating supply current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.5,+ "max": 1,+ "conditions": "FB = 0 V, CS = 0 V",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "VCC internal Zener voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 12,+ "typ": 13.5,+ "max": 15,+ "conditions": "ICC = 10 mA",+ "source_page": 8,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -221,4 +852,4 @@ "visibility": { "public": true }-}+}