component
UC2863DW
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# UC2863DW++**Texas Instruments** · DC-DC Converters · SOIC-16-300mil++UC2863DW from Texas Instruments, in a SOIC-16-300mil. 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 | 5V | power_out | Output of the internal 5V generator, enabled once Vcc exceeds the UVLO threshold, supplying up to 10mA external use and to be bypassed to signal ground with a 0.1µF low-ESR capacitor. |+| 2 | NI | input | Non-inverting input of the error amplifier (absolute maximum -0.4 to 7V). |+| 3 | INV | input | Inverting input of the error amplifier (absolute maximum -0.4 to 7V). |+| 4 | E/A Out | output | Error amplifier output that drives the VCO, with output current limited to ±2mA. |+| 5 | Sig Gnd | power_in | Signal ground reference for all voltages, to which the 5V pin is bypassed. |+| 6 | Range | passive | VCO programming pin that sets the maximum frequency range (7.15k used in test conditions). |+| 7 | Rmin | passive | VCO programming resistor pin that sets the minimum frequency (86.6k used in test conditions). |+| 8 | Cvco | passive | VCO timing capacitor pin (1nF used in test conditions), with VCO frequency programmable from 10kHz to 1MHz. |+| 9 | RC | passive | One-shot timing resistor/capacitor pin that sets the programmed maximum pulse width. |+| 10 | Zero | input | Zero detection comparator input with 0.5V threshold that modulates the one-shot pulse width (absolute maximum -0.4 to 7V). |+| 11 | A Out | output | Totem-pole output driver A with 1A peak, source or sink limited to 0.5A. |+| 12 | Pwr Gnd | power_in | Power ground for the output drivers, limited to ±0.2V relative to signal ground. |+| 13 | Vcc | power_in | Supply input with absolute maximum 22V; UVLO turn-on 8V and turn-off 7V typical for the UC2863. |+| 14 | B Out | output | Totem-pole output driver B with 1A peak, source or sink limited to 0.5A, alternating with A Out on the UC2863. |+| 15 | Fault | input | Fault comparator input with 3V threshold that sets the fault latch and forces outputs low (absolute maximum -0.4 to 7V), usable as system shutdown. |+| 16 | Soft-Ref | bidirectional | Provides soft start, restart delay and system reference for the error amplifier, sources or sinks 200µA and needs at least 0.1µF bypass. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16-300mil |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `UC2863DW`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)+- 3D model files: `uc2863dw-etched.step` / `uc2863dw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uc2863dw.step` / `uc2863dw.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/cn/lit/gpn/uc1863) (15 pp, sha256 `2845c691dbe732c6`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-5-5` (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).++[Datasheet PDF](docs/uc2863dw-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "uc2863dw",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "uc2863dw.kicad_sym",+ "uc2863dw.kicad_mod",+ "uc2863dw.glb",+ "uc2863dw.step",+ "uc2863dw.lbr",+ "docs/hero.png",+ "docs/uc2863dw-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "uc2863dw-hero.glb",+ "uc2863dw-hero.overlay.json"+ ],+ "component": {+ "mpn": "UC2863DW",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16-300mil",+ "pin_count": 16,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/uc1863",+ "parts": {+ "symbol": "uc2863dw.kicad_sym",+ "footprint": "uc2863dw.kicad_mod",+ "model_3d": "uc2863dw-hero.glb",+ "model_3d_plain": "uc2863dw.glb",+ "model_3d_step": "uc2863dw-etched.step",+ "model_3d_step_plain": "uc2863dw.step",+ "lbr": "uc2863dw.lbr"+ },+ "distributor_links": {+ "lcsc": "C1530291",+ "digikey": "2156-UC2863DW-ND",+ "mouser": "595-UC2863DW"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:46:04Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-UC2863DW-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-UC2863DW",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "5V",+ "type": "power_out",+ "description": "Output of the internal 5V generator, enabled once Vcc exceeds the UVLO threshold, supplying up to 10mA external use and to be bypassed to signal ground with a 0.1µF low-ESR capacitor."+ },+ {+ "number": "2",+ "name": "NI",+ "type": "input",+ "description": "Non-inverting input of the error amplifier (absolute maximum -0.4 to 7V)."+ },+ {+ "number": "3",+ "name": "INV",+ "type": "input",+ "description": "Inverting input of the error amplifier (absolute maximum -0.4 to 7V)."+ },+ {+ "number": "4",+ "name": "E/A Out",+ "type": "output",+ "description": "Error amplifier output that drives the VCO, with output current limited to ±2mA."+ },+ {+ "number": "5",+ "name": "Sig Gnd",+ "type": "power_in",+ "description": "Signal ground reference for all voltages, to which the 5V pin is bypassed."+ },+ {+ "number": "6",+ "name": "Range",+ "type": "passive",+ "description": "VCO programming pin that sets the maximum frequency range (7.15k used in test conditions)."+ },+ {+ "number": "7",+ "name": "Rmin",+ "type": "passive",+ "description": "VCO programming resistor pin that sets the minimum frequency (86.6k used in test conditions)."+ },+ {+ "number": "8",+ "name": "Cvco",+ "type": "passive",+ "description": "VCO timing capacitor pin (1nF used in test conditions), with VCO frequency programmable from 10kHz to 1MHz."+ },+ {+ "number": "9",+ "name": "RC",+ "type": "passive",+ "description": "One-shot timing resistor/capacitor pin that sets the programmed maximum pulse width."+ },+ {+ "number": "10",+ "name": "Zero",+ "type": "input",+ "description": "Zero detection comparator input with 0.5V threshold that modulates the one-shot pulse width (absolute maximum -0.4 to 7V)."+ },+ {+ "number": "11",+ "name": "A Out",+ "type": "output",+ "description": "Totem-pole output driver A with 1A peak, source or sink limited to 0.5A."+ },+ {+ "number": "12",+ "name": "Pwr Gnd",+ "type": "power_in",+ "description": "Power ground for the output drivers, limited to ±0.2V relative to signal ground."+ },+ {+ "number": "13",+ "name": "Vcc",+ "type": "power_in",+ "description": "Supply input with absolute maximum 22V; UVLO turn-on 8V and turn-off 7V typical for the UC2863."+ },+ {+ "number": "14",+ "name": "B Out",+ "type": "output",+ "description": "Totem-pole output driver B with 1A peak, source or sink limited to 0.5A, alternating with A Out on the UC2863."+ },+ {+ "number": "15",+ "name": "Fault",+ "type": "input",+ "description": "Fault comparator input with 3V threshold that sets the fault latch and forces outputs low (absolute maximum -0.4 to 7V), usable as system shutdown."+ },+ {+ "number": "16",+ "name": "Soft-Ref",+ "type": "bidirectional",+ "description": "Provides soft start, restart delay and system reference for the error amplifier, sources or sinks 200µA and needs at least 0.1µF bypass."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet has no pin-description table. Descriptions for Range, Rmin, Cvco and RC are inferred f",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 12,+ "cost_usd": 0.4094,+ "at": "2026-10-08T20:45:00"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/uc1863",+ "pages": 15,+ "sha256": "2845c691dbe732c6",+ "source_tier": "lcsc"+ },+ "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"+ },+ "models_3d": [+ {+ "file": "uc2863dw.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 9.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "uc2863dw-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 9.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "52fed4b58dc91da4d49f8e4ba3273ace3344a50a2977d3aeaf775802cc9382d8",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}