TPS2553DDBVR

@@ -0,0 +1,49 @@+# TPS2553DDBVR++**Texas Instruments** · Power Distribution Switches · SOT-23-6++TPS2553DDBVR from Texas Instruments, in a SOT-23-6. 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 | IN | power_in | Input voltage supply, 2.7 V to 6.5 V. Connect a 0.1 µF or greater ceramic capacitor from IN to GND as close to the IC as possible. |+| 2 | GND | power_in | Ground connection. Connect externally to the PowerPAD. |+| 3 | EN | input | Enable input. For TPS2553D a logic-high level turns on the power switch (active-high). V_IH ≥ 1.1 V, V_IL ≤ 0.66 V. Absolute maximum 6.5 V. |+| 4 | FAULT | output | Active-low open-drain fault output. Asserted during overcurrent, overtemperature, or reverse-voltage conditions. Requires an external pull-up resistor; continuous sink current up to 10 mA (25 mA absolute maximum). |+| 5 | ILIM | passive | External resistor sets current-limit threshold. Recommended R_ILIM range 15 kΩ ≤ R_ILIM ≤ 232 kΩ, corresponding to a programmable current limit of about 75 mA to 1700 mA (typ). ILIM source current is 0-1 mA (absolute max). |+| 6 | OUT | power_out | Power-switch output. Connects to load through the internal 85-mΩ (typ) high-side MOSFET. Add a downstream bypass capacitor (e.g., 120 µF for USB compliance). |+| PAD | PowerPAD | passive | Exposed thermal pad, internally connected to GND. Used to heat-sink the part to the PCB traces. Must be connected externally to the GND pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | Power Management (PMIC) |+| Pins | 7 |++## Ordering variants++Same part, different packaging or reel option.++- `TPS2553DDBVR`+- `TPS2553DDBVRDBVT`++## CAD (KiCad official)++- Symbol: `TPS2553DDBVR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tps2553d.pdf) (35 pp, sha256 `46d2dd4cbec8c2ab`, retrieved 2026-08-17, tier: manufacturer)+- **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/tps2553ddbvr-datasheet.pdf)

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