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.
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
markdownUC2863DW
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);uc2863dw.step/uc2863dw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (15 pp, sha256
2845c691dbe732c6, retrieved 2026-10-08, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(vision), consensusclaude-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).