component
UCC3813PWTR-5
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, TSSOP-8. 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
markdownUCC3813PWTR-5
Texas Instruments · AC-DC Controllers And Regulators · TSSOP-8
UCC3813PWTR-5 from Texas Instruments, in a TSSOP-8. 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 | COMP | output | Error amplifier output and PWM comparator input with internal soft start ramping from 0.5V to REF−1V over 4ms. |
| 2 | FB | input | Inverting input to error amplifier; minimize trace length and parasitic capacitance for optimal stability with 2MHz gain-bandwidth. |
| 3 | CS | input | Current sense comparator input with 100ns leading edge blanking, 1.65V/V typical gain, and 0.9V to 1.1V input range at VCOMP = 5V. |
| 4 | RC | input | Oscillator timing input where external RT (10kΩ to 200kΩ recommended) and CT (100pF to 1000pF recommended) set switching frequency up to 1MHz and maximum 50% duty cycle. |
| 5 | GND | power_in | Signal reference ground and power ground for all device functions. |
| 6 | OUT | output | High current gate driver output with ±1A peak capability, actively held low below UVLO threshold, and 41-75ns rise/fall time at 1nF capacitive load. |
| 7 | VCC | power_in | Power supply input with UVLO turn-on at 4.1V typical and turn-off at 3.6V typical; internal zener clamp at 13.5V typical (12V to 15V range). |
| 8 | REF | output | 4V reference voltage (±1.5% accuracy at 25°C, 3.94V to 4.06V) biasing error amplifier and logic functions; short circuit current −5 to −35mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
UCC3813PWTR-5 - Footprint:
Package_SO:TSSOP-8_3x3mm_P0.65mm - 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
ucc3813pwtr-5-etched.step/ucc3813pwtr-5-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ucc3813pwtr-5.step/ucc3813pwtr-5.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (53 pp, sha256
e691a7fcf4f2163a, retrieved 2026-10-03, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).