component
UCC28220PWR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ucc28220pwr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments DC-DC Converters, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"ucc28220pwr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"ucc28220pwr.kicad_sym",
"ucc28220pwr.kicad_mod",
"ucc28220pwr.glb",
"ucc28220pwr.step",
"ucc28220pwr.lbr",
"docs/hero.png",
"docs/ucc28220pwr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ucc28220pwr-hero.glb",
"ucc28220pwr-hero.overlay.json"
],
"component": {
"mpn": "UCC28220PWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-16",
"pin_count": 16,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/lit/ds/symlink/ucc28220.pdf",
"parts": {
"symbol": "ucc28220pwr.kicad_sym",
"footprint": "ucc28220pwr.kicad_mod",
"model_3d": "ucc28220pwr-hero.glb",
"model_3d_plain": "ucc28220pwr.glb",
"model_3d_step": "ucc28220pwr-etched.step",
"model_3d_step_plain": "ucc28220pwr.step",
"lbr": "ucc28220pwr.lbr"
},
"distributor_links": {
"lcsc": "C2658624",
"digikey": "296-UCC28220PWRTR-ND",
"mouser": "595-UCC28220PWR"
},
"distributor_check": {
"checked_at": "2026-10-08T15:51:54Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-UCC28220PWRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-UCC28220PWR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "LINEOV",
"type": "input",
"description": "Input to the line overvoltage comparator that monitors line voltage for an overvoltage condition, with a typical threshold of 1.26 V."
},
{
"number": "2",
"name": "LINEHYS",
"type": "input",
"description": "Sets the line comparator hysteresis for both the line overvoltage and line undervoltage detectors."
},
{
"number": "3",
"name": "VDD",
"type": "power_in",
"description": "Device supply input monitored by the UVLO circuit; recommended supply range is 8.4 V to 14.5 V, UVLO turn-on is 10 V for the UCC28220 with 8 V turn-off, and the device draws about 150 µA below UVLO."
},
{
"number": "4",
"name": "CS1",
"type": "input",
"description": "Channel 1 current-sense input, level-shifted by 0.5 V before the PWM comparator with slope compensation added; linear range is 0 to 1.5 V and the pin is pulled to ground whenever OUT1 goes low."
},
{
"number": "5",
"name": "SLOPE",
"type": "input",
"description": "Sets the slope-compensation ramp current through a resistor to ground, divided by 25 and applied to an internal 10-pF capacitor, with a normal DC voltage of 2.5 V."
},
{
"number": "6",
"name": "CS2",
"type": "input",
"description": "Channel 2 current-sense input, level-shifted by 0.5 V before the PWM comparator with slope compensation added; linear range is 0 to 1.5 V and the pin is pulled to ground whenever OUT2 goes low."
},
{
"number": "7",
"name": "SS",
"type": "input",
"description": "Soft-start input where a capacitor to ground sets the open-loop soft-start time, with source and sink current equal to 3/7 of the CHG charge current; the pin can also be used as an enable/disable."
},
{
"number": "8",
"name": "CTRL",
"type": "input",
"description": "Feedback control input that sets the commanded duty cycle, which the soft-start ramp overrides during start-up; the remaining limits for this pin are cut off in the supplied text."
},
{
"number": "9",
"name": "DISCHG",
"type": "input",
"description": "Sets the oscillator discharge current through a resistor to GND which, together with the CHG resistor, sets operating frequency and maximum duty cycle, with a normal DC voltage of 2.5 V."
},
{
"number": "10",
"name": "CHG",
"type": "input",
"description": "Sets the oscillator charge current through a resistor to GND which, together with the DISCHG resistor, sets operating frequency and maximum duty cycle, with a normal DC voltage of 2.5 V."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "12",
"name": "OUT2",
"type": "output",
"description": "Channel 2 PWM output for high-current MOSFET drivers, with approximately 33 mA drive capability, 100 Ω output impedance, and a swing between GND and REF."
},
{
"number": "13",
"name": "OUT1",
"type": "output",
"description": "Channel 1 PWM output for high-current MOSFET drivers, with approximately 33 mA drive capability, 100 Ω output impedance, and a swing between GND and REF."
},
{
"number": "14",
"name": "REF",
"type": "output",
"description": "3.3-V reference output used for the output buffers and internal circuits, protected from accidental shorts to ground, and to be bypassed with at least 0.1 µF to GND."
},
{
"number": "15",
"name": "LINEUV",
"type": "input",
"description": "Input to the line undervoltage comparator that monitors line voltage for an undervoltage condition, with a typical threshold of 1.26 V."
},
{
"number": "16",
"name": "N/C",
"type": "unconnected",
"description": "No connection on the UCC28220 (no JFET option); pin 16 is VIN only on the UCC28221 16-pin SOIC."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The TSSOP-16 (PW) pinout was taken from the 16-pin column of the Pin Functions table (page 4) and cr; The CTRL pin (pin 8) description is truncated in the supplied text after 'Feedback control input:', ; VIN is not present on the 16-pin UCC28220 TSSOP; pin 16 is NC on this device and VIN (pin 20) exists"
],
"pages_sent": 12,
"cost_usd": 0.0824,
"at": "2026-10-08T15:51:36"
},
"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"
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"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ucc28220pwr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "424809c8b51c58468d97a119d60d37a2427a41be8e3d12a1ed08694584a6d640",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}