TPS54332DDAR

@@ -0,0 +1,49 @@+# TPS54332DDAR++**Texas Instruments** · DC-DC Converters · SOP-8-EP++TPS54332DDAR from Texas Instruments, in a SOP-8-EP. 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 | BOOT | passive | Bootstrap capacitor node for the high-side MOSFET gate driver. A 0.1-µF capacitor is required between BOOT and PH; if the voltage on this capacitor falls below the minimum requirement, the high-side MOSFET is forced to switch off until the capacitor is refreshed. Abs-max BOOT-PH = 8 V. |+| 2 | VIN | power_in | Input supply voltage, 3.5 V to 28 V. Connect input decoupling capacitors close to this pin. |+| 3 | EN | input | Enable pin. Pull below 1.25 V to disable; float to enable. A two-resistor divider on this pin programs the input undervoltage lockout threshold. Abs-max 6 V. |+| 4 | SS | input | Slow-start pin. An external capacitor connected from this pin to GND sets the output voltage rise time and limits inrush current at startup. |+| 5 | VSENSE | input | Inverting input of the gm error amplifier. Connect a resistor divider from VOUT to this pin to program the output voltage (internal reference 0.8 V). |+| 6 | COMP | output | Error amplifier output and input to the PWM comparator. Connect the loop frequency compensation network (typically a series R-C to GND) to this pin. |+| 7 | GND | power_in | Device ground. Must be connected to the exposed PowerPAD (pin 9) for proper operation. |+| 8 | PH | output | Switch node - source of the internal high-side power MOSFET. Connect to the output inductor and the cathode of the external catch diode. Rated for up to 9.25 A source/sink current. |+| 9 | PowerPAD | power_in | Exposed thermal pad on the underside of the package. Must be soldered to the PCB ground plane and connected to the GND pin (pin 7) for proper electrical operation and heat dissipation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOP-8-EP |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `TPS54332DDARDDAR`+- `TPS54332DDARDDA`++## CAD (KiCad official)++- Symbol: `TPS54332DDAR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8-EP (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/tps54332ddar.pdf) (34 pp, sha256 `b2d295562b641a08`, 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/tps54332ddar-datasheet.pdf)

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