TPS3801K33DCKR

@@ -0,0 +1,47 @@+# TPS3801K33DCKR++**Texas Instruments** · Supervisor And Reset ICs · SC-70-5++TPS3801K33DCKR from Texas Instruments, in a SC-70-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | GND | power_in | Ground reference. Tied internally to pin 2. |+| 2 | GND | power_in | Ground reference. Tied internally to pin 1. |+| 3 | RESET | output | Active-low push-pull reset output. Asserts low whenever VDD is below the 2.93 V threshold or MR is held low, and remains asserted for the ~200 ms recovery delay after VDD returns above threshold. IOL = 5 mA, IOH = -5 mA max. |+| 4 | VDD | power_in | Supply and monitored voltage input. Operating range 2 V to 6 V for the K33 option; also feeds the internal comparator monitoring the 2.93 V threshold. A 0.1 µF bypass capacitor is recommended near this pin. |+| 5 | MR | input | Active-low manual reset input with an internal ~30 kΩ pull-up to VDD. Pulling MR low forces RESET low; leaving it floating or tied high enables normal supervisor operation. VIL = 0.3 x VDD, VIH = 0.7 x VDD. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## Ordering variants++Same part, different packaging or reel option.++- `TPS3801K33DCKR`+- `TPS3801K33DCKRDCKT`++## CAD (KiCad official)++- Symbol: `TPS3801K33DCKR`+- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`+- 3D model: SC-70-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tps3800g27) (16 pp, sha256 `3267fec55b1d67b3`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tps3801k33dckr-datasheet.pdf)

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