component
UCC28220DR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# UCC28220DR++**Texas Instruments** · DC-DC Converters · SOIC-16++UCC28220DR from Texas Instruments, in a SOIC-16. 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 | LINEOV | input | Input for line over-voltage comparator; typical threshold is 1.26 V. |+| 2 | LINEHYS | input | Line comparator hysteresis control pin; sets hysteresis values for both over and under-voltage line detectors. |+| 3 | VDD | power_in | Device supply input; operating voltage range 8.4 V to 14.5 V with UVLO start threshold of 10 V. |+| 4 | CS1 | input | Channel 1 current sense input; linear operating range 0 V to 1.5 V with 0.5 V internal level shift. |+| 5 | SLOPE | input | Slope compensation setting pin; resistor to ground sets ramp current internally divided by 25 and applied to 10-pF capacitor. |+| 6 | CS2 | input | Channel 2 current sense input; linear operating range 0 V to 1.5 V with 0.5 V internal level shift. |+| 7 | SS | input | Soft-start input; capacitor to ground sets soft-start time with source and sink current equal to 3/7th of oscillator charge current. |+| 8 | CTRL | input | Feedback control input; maximum control voltage for duty cycle control with 0.5 V to 1.8 V range at 0% duty cycle. |+| 9 | DISCHG | input | Oscillator discharge current setting pin; resistor to ground sets discharge current for oscillator frequency and maximum duty cycle setup. |+| 10 | CHG | input | Oscillator charge current setting pin; resistor to ground sets charge current for oscillator frequency and maximum duty cycle setup. |+| 11 | GND | power_in | Device ground; common reference for all signals. |+| 12 | OUT2 | output | PWM output from channel 2; output swings between GND and REF with approximately 33 mA drive capability and 100 Ω output impedance. |+| 13 | OUT1 | output | PWM output from channel 1; output swings between GND and REF with approximately 33 mA drive capability and 100 Ω output impedance. |+| 14 | REF | power_out | Reference voltage output; 3.3 V output (3.15 V to 3.45 V typical) protected from accidental shorts to ground. |+| 15 | LINEUV | input | Input for line under-voltage comparator; typical threshold is 1.26 V. |+| 16 | N/C | unconnected | No connection; this pin is not used on UCC28220 which does not include the JFET option. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `UCC28220DR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `ucc28220dr-etched.step` / `ucc28220dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc28220dr.step` / `ucc28220dr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/ucc28220.pdf) (35 pp, sha256 `9dff4a5c54fcd0b2`, retrieved 2026-09-27, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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).++[Datasheet PDF](docs/ucc28220dr-datasheet.pdf)
page.jsonadded+203@@ -0,0 +1,203 @@+{+ "slug": "ucc28220dr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "ucc28220dr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ucc28220dr.kicad_sym",+ "ucc28220dr.kicad_mod",+ "ucc28220dr.glb",+ "ucc28220dr.step",+ "ucc28220dr.lbr",+ "docs/hero.png",+ "docs/ucc28220dr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "UCC28220DR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28220.pdf",+ "parts": {+ "symbol": "ucc28220dr.kicad_sym",+ "footprint": "ucc28220dr.kicad_mod",+ "model_3d": "ucc28220dr-etched.glb",+ "model_3d_plain": "ucc28220dr.glb",+ "model_3d_step": "ucc28220dr-etched.step",+ "model_3d_step_plain": "ucc28220dr.step",+ "lbr": "ucc28220dr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2827947",+ "digikey": "296-UCC28220DRTR-ND",+ "mouser": "595-UCC28220DR"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T06:05:41Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-UCC28220DRTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-UCC28220DR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "LINEOV",+ "type": "input",+ "description": "Input for line over-voltage comparator; typical threshold is 1.26 V."+ },+ {+ "number": "2",+ "name": "LINEHYS",+ "type": "input",+ "description": "Line comparator hysteresis control pin; sets hysteresis values for both over and under-voltage line detectors."+ },+ {+ "number": "3",+ "name": "VDD",+ "type": "power_in",+ "description": "Device supply input; operating voltage range 8.4 V to 14.5 V with UVLO start threshold of 10 V."+ },+ {+ "number": "4",+ "name": "CS1",+ "type": "input",+ "description": "Channel 1 current sense input; linear operating range 0 V to 1.5 V with 0.5 V internal level shift."+ },+ {+ "number": "5",+ "name": "SLOPE",+ "type": "input",+ "description": "Slope compensation setting pin; resistor to ground sets ramp current internally divided by 25 and applied to 10-pF capacitor."+ },+ {+ "number": "6",+ "name": "CS2",+ "type": "input",+ "description": "Channel 2 current sense input; linear operating range 0 V to 1.5 V with 0.5 V internal level shift."+ },+ {+ "number": "7",+ "name": "SS",+ "type": "input",+ "description": "Soft-start input; capacitor to ground sets soft-start time with source and sink current equal to 3/7th of oscillator charge current."+ },+ {+ "number": "8",+ "name": "CTRL",+ "type": "input",+ "description": "Feedback control input; maximum control voltage for duty cycle control with 0.5 V to 1.8 V range at 0% duty cycle."+ },+ {+ "number": "9",+ "name": "DISCHG",+ "type": "input",+ "description": "Oscillator discharge current setting pin; resistor to ground sets discharge current for oscillator frequency and maximum duty cycle setup."+ },+ {+ "number": "10",+ "name": "CHG",+ "type": "input",+ "description": "Oscillator charge current setting pin; resistor to ground sets charge current for oscillator frequency and maximum duty cycle setup."+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground; common reference for all signals."+ },+ {+ "number": "12",+ "name": "OUT2",+ "type": "output",+ "description": "PWM output from channel 2; output swings between GND and REF with approximately 33 mA drive capability and 100 Ω output impedance."+ },+ {+ "number": "13",+ "name": "OUT1",+ "type": "output",+ "description": "PWM output from channel 1; output swings between GND and REF with approximately 33 mA drive capability and 100 Ω output impedance."+ },+ {+ "number": "14",+ "name": "REF",+ "type": "power_out",+ "description": "Reference voltage output; 3.3 V output (3.15 V to 3.45 V typical) protected from accidental shorts to ground."+ },+ {+ "number": "15",+ "name": "LINEUV",+ "type": "input",+ "description": "Input for line under-voltage comparator; typical threshold is 1.26 V."+ },+ {+ "number": "16",+ "name": "N/C",+ "type": "unconnected",+ "description": "No connection; this pin is not used on UCC28220 which does not include the JFET option."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 35,+ "cost_usd": 0.3296,+ "at": "2026-09-27T06:05:23"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/ucc28220.pdf",+ "pages": 35,+ "sha256": "9dff4a5c54fcd0b2",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}