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.
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README.mdadded+44@@ -0,0 +1,44 @@+# UCC2946TPWRQ1++**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.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc2946tpwrq1.step` / `ucc2946tpwrq1.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/ucc2946-q1) (17 pp, sha256 `4134bf000832bbdb`, retrieved 2026-10-07, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).++[Datasheet PDF](docs/ucc2946tpwrq1-datasheet.pdf)
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