component
UCC2583DTR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-14. 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
markdownUCC2583DTR
Texas Instruments · AC-DC Controllers And Regulators · SOIC-14
UCC2583DTR from Texas Instruments, in a SOIC-14. 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 | REF | power_out | Precision 5V reference output that stays off until VDD exceeds 9V and turns off below 8.4V; bypass to COM. |
| 2 | INV | input | Inverting input of the voltage error amplifier, fed by a resistive divider between REF and -VO. |
| 3 | COMP | output | Voltage error amplifier output into the PWM comparator, with loop compensation connected between COMP and INV. |
| 4 | SS | input | Soft start pin where a capacitor to REF programs the soft start time, controlling the PWM comparator during startup. |
| 5 | SYNC | input | Synchronization input tied to a signal representative of the secondary power pulse, with trip levels of about 1.0V and 0.0V and not to go more than 0.3V below ground. |
| 6 | RAMP | passive | PWM comparator ramp input with a capacitor to COM and a resistor to REF setting the charging rate, discharged by an internal current source on sync or at the 4V threshold. |
| 7 | COM | power_in | Signal ground for the chip, connected to the positive terminal of the output voltage being regulated. |
| 8 | ILIM | input | Inverting input of the current error amplifier that sets the DC limit for the output current. |
| 9 | CAO | output | Current error amplifier output feeding the PWM comparator, with an integrating capacitor between ILIM and CAO providing averaging. |
| 10 | CS | input | Non-inverting input of the current error amplifier receiving the sensed current signal from the current sense resistor. |
| 11 | VDD | power_in | Chip power supply bypassed to COM, needing 9V to start and 8.4V to stay operational, with an internal shunt clamp limiting it to 14V. |
| 12 | VD | power_in | Power supply for the output driver, to be tied to VDD in the application. |
| 13 | GATE | output | Gate drive output for the power switch FET with 0.5A sink/1.5A source capability and very low off-state impedance. |
| 14 | PCOM | power_in | Power ground for the chip, connected to the source terminal of the regulated MOSFET, rated -0.2V to 0.2V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Power Management (PMIC) |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
UCC2583DTR - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
ucc2583dtr-etched.step/ucc2583dtr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ucc2583dtr.step/ucc2583dtr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (22 pp, sha256
76364dd324d0f261, retrieved 2026-10-11, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+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).