component
UCC2808AQDR-2Q1
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownUCC2808AQDR-2Q1
Texas Instruments · AC-DC Controllers And Regulators · SOIC-8
UCC2808AQDR-2Q1 from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | COMP | bidirectional | Error amplifier output and PWM comparator input; sources and sinks current with internal current limiting; forcing low externally sets duty cycle to zero. |
| 2 | FB | input | Inverting input of error amplifier; input bias current ±1μA; keep trace length and parasitic capacitance minimal for best stability. |
| 3 | CS | input | PWM input, peak current and overcurrent comparator; maximum input signal 0.45V to 0.55V at COMP=5V; overcurrent threshold 0.65V to 0.85V; internal MOSFET discharges sensing capacitor each clock cycle. |
| 4 | RC | input | Oscillator programming pin; internally connected between VDD and GND; use RC network with timing resistor 10kΩ to 200kΩ and capacitor 100pF to 1000pF to GND. |
| 5 | GND | power_in | Reference ground for all functions and power ground; strongly recommended to use low impedance PCB ground plane due to high current and high frequency operation. |
| 6 | OUTB | output | High current output stage driving MOSFET gate; 500mA peak pull current and 1A peak sink current; output low 0.5V to 1.1V at 100mA, output high VDD-1V to VDD-0.5V; rise/fall time 25-60ns with 1nF load. |
| 7 | OUTA | output | High current output stage driving MOSFET gate; 500mA peak pull current and 1A peak sink current; output low 0.5V to 1.1V at 100mA, output high VDD-1V to VDD-0.5V; rise/fall time 25-60ns with 1nF load. |
| 8 | VDD | power_in | Power supply input; operating voltage 5V to 14V (UCC2808A-2Q1); operating current 1mA typical, 2mA maximum excluding external oscillator network; requires 10μF electrolytic and 0.1μF ceramic bypass capacitors placed close to pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
UCC2808AQDR-2Q1 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
ucc2808aqdr-2q1-etched.step/ucc2808aqdr-2q1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ucc2808aqdr-2q1.step/ucc2808aqdr-2q1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (22 pp, sha256
c8a6b7947402ee8a, retrieved 2026-09-24, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).