TPS3809K33QDBVRQ1

@@ -0,0 +1,45 @@+# TPS3809K33QDBVRQ1++**Texas Instruments** · Supervisor And Reset ICs · SOT-23-3L++TPS3809K33QDBVRQ1 from Texas Instruments, in a SOT-23-3L. 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 | Device ground reference. Connect to system ground (0 V). |+| 2 | RESET | output | Active-low push-pull reset output. Driven low when VDD falls below VIT- (2.93 V typ for K33 option); remains low for td = 200 ms (typ) after VDD returns above the threshold. IOL up to 4 mA at VDD = 6 V; IOH up to -4 mA. Output behavior is undefined for VDD < 1.1 V. |+| 3 | VDD | power_in | Supply voltage and supervising input. Recommended operating range 2 V to 6 V (absolute max 6.5 V). Also the monitored rail: when VDD drops below VIT- (2.93 V typ), RESET is asserted low. Bypass with a 0.1 µF ceramic capacitor placed near the pin for threshold stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-3L |+| Category | Power Management (PMIC) |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `TPS3809K33QDBVRQ1`++## CAD (KiCad official)++- Symbol: `TPS3809K33QDBVRQ1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3L (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/tps3809-q1) (21 pp, sha256 `d55bc17b31579792`, retrieved 2026-08-17, 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:** `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/tps3809k33qdbvrq1-datasheet.pdf)

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