TPS54335ADDAR

@@ -0,0 +1,54 @@+# TPS54335ADDAR++**Texas Instruments** · DC-DC Converters · SOP-8-EP-150mil++TPS54335ADDAR from Texas Instruments, in a SOP-8-EP-150mil. 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 | output | Bootstrap capacitor node for the high-side MOSFET gate driver. A bootstrap capacitor is required between BOOT and PH. If the BOOT-PH voltage falls below the BOOT-PH UVLO (~2.1-3 V), switching is inhibited until the capacitor is refreshed. |+| 2 | VIN | power_in | Supply input voltage, 4.5 V to 28 V (30 V abs max). Bypass with a low-ESR ceramic capacitor placed close to the VIN and GND pins. |+| 3 | PH | output | Switch node (source of the internal high-side power MOSFET / drain of the low-side MOSFET). Connect to the output inductor and to the low side of the bootstrap capacitor. Rated -1 V to 30 V (-3.5 V for 10 ns transients). |+| 4 | GND | power_in | Device ground. Must be tied to the exposed PowerPAD for proper operation and thermal performance. |+| 5 | VSENSE | input | Inverting input of the transconductance (gm) error amplifier. Connect to the feedback resistor divider from VOUT; the internal reference is 0.8 V (±0.8%). |+| 6 | COMP | output | Error-amplifier output and input to the output switch current comparator. Connect frequency-compensation network (R-C, optional C) to GND to set loop response. |+| 7 | EN | input | Enable input. Float to enable (internal pull-up). Enable threshold typ 1.21 V rising / 1.17 V falling. Can be driven by a resistor divider from VIN to program a precision input UVLO. |+| 8 | RT | input | Switching-frequency programming pin. Connect an external resistor from RT to GND to set the switching frequency (50 kHz to 1.5 MHz; e.g. ~480 kHz with 100 kΩ). |+| PAD | PowerPAD | power_in | Exposed thermal pad on the underside of the package. Must be soldered to the PCB and connected to GND (pin 4) with multiple thermal vias to a ground plane for correct operation and thermal dissipation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOP-8-EP-150mil |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `TPS54335ADDARDDA`+- `TPS54335ADDARDDAR`+- `TPS54335ADDARDRC`+- `TPS54335ADDARDRCR`+- `TPS54335ADDARDRCT`+- `TPS54335ADDARDDA (TPS54336A)`++## CAD (KiCad official)++- Symbol: `TPS54335ADDAR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8-EP-150mil (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/tps54335addar.pdf) (52 pp, sha256 `35ab1bac1ea6973b`, retrieved 2026-08-17, tier: manufacturer)+- **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/tps54335addar-datasheet.pdf)

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