component
UCC2946TPWRQ1
Public Made by Adomby adom
Texas Instruments Supervisor And Reset ICs, 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
markdownUCC2946TPWRQ1
Texas Instruments · Supervisor And Reset ICs · TSSOP-8
UCC2946TPWRQ1 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 | GND | power_in | Ground reference for the device. |
| 2 | RTH | input | Input that compares its voltage to an internal 1.25-V reference for programming the reset threshold using external resistors. |
| 3 | RES | output | Output that is high only if the voltage on RTH has risen above 1.235 V and remains low for the reset period. |
| 4 | RP | input | Input pin that allows the user to program the reset period by adjusting an external capacitor. |
| 5 | WDO | output | Output that is asserted low if the WDI pin is not toggled or strobed within the watchdog period. |
| 6 | WP | input | Input pin that allows the user to program the watchdog period by adjusting an external capacitor. |
| 7 | WDI | input | Input to the watchdog timer that must be toggled within the watchdog period to prevent WDO assertion. |
| 8 | VDD | power_in | Supply voltage input for the device, operating range 2.1 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
UCC2946TPWRQ1 - Footprint:
Package_SO:TSSOP-8_3x3mm_P0.65mm - 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
ucc2946tpwrq1-etched.step/ucc2946tpwrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ucc2946tpwrq1.step/ucc2946tpwrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (17 pp, sha256
4134bf000832bbdb, retrieved 2026-10-07, tier: lcsc) - 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).