SN6505BDBVR

@@ -0,0 +1,48 @@+# SN6505BDBVR++**Texas Instruments** · Transformer Drivers · SOT-23-6++SN6505BDBVR 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 | D1 | output | Open-drain output of the first internal power MOSFET (~0.25 Ω R_ON at V_CC = 4.5 V, 1 A capable). Typically connected to one outer terminal of the center-tapped transformer primary; keep external traces short due to high current. |+| 2 | VCC | power_in | Device supply pin, 2.25 V to 5.5 V. Bypass with a 4.7 µF or greater low-ESR capacitor. Internal UVLO trips when V_CC ≤ 2.25 V (positive-going) / 1.7 V (negative-going) and turns off both outputs. |+| 3 | D2 | output | Open-drain output of the second internal power MOSFET (~0.25 Ω R_ON at V_CC = 4.5 V, 1 A capable). Typically connected to the other outer terminal of the center-tapped transformer primary; keep external traces short due to high current. |+| 4 | GND | power_in | Device ground; connects to the source of the internal power MOSFETs via an internal current-sense circuit. Must be connected to a low-inductance ground plane because large switching currents flow through it. |+| 5 | EN | input | Enable input. Logic high (V_IH ≥ 0.7 × V_CC) turns the device on; grounding or leaving floating disables all internal circuitry (I_DIS ≈ 0.1 µA). Tie directly to V_CC if unused. |+| 6 | CLK | input | External clock input to synchronize multiple devices. Internally pulled to GND; if no valid external clock is detected within t_CLKTIMER (10-25 µs), the device automatically falls back to its internal oscillator (420 kHz for SN6505B). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | Power Management (PMIC) |+| Pins | 6 |++## Ordering variants++Same part, different packaging or reel option.++- `SN6505BDBVR`+- `SN6505BDBVRDBVT`++## CAD (KiCad official)++- Symbol: `SN6505BDBVR`+- 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/sn6505b.pdf) (43 pp, sha256 `dfc57cb042218cb6`, 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/sn6505bdbvr-datasheet.pdf)

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