# TPD4EUSB30DQAR

**Texas Instruments** · ESD And Surge Protection (TVS/ESD) · USON-10(1x2.5)

TPD4EUSB30DQAR from Texas Instruments, in a USON-10(1x2.5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | D1+ | bidirectional | High-speed differential USB data line with ESD protection; maximum IO voltage 6V, capacitance 0.8pF typical at 100kHz. |
| 2 | D1- | bidirectional | High-speed differential USB data line with ESD protection; maximum IO voltage 6V, capacitance 0.8pF typical at 100kHz. |
| 3 | GND | power_in | Ground connection. |
| 4 | D2+ | bidirectional | High-speed differential USB data line with ESD protection; maximum IO voltage 6V, capacitance 0.8pF typical at 100kHz. |
| 5 | D2- | bidirectional | High-speed differential USB data line with ESD protection; maximum IO voltage 6V, capacitance 0.8pF typical at 100kHz. |
| 6 | N.C. | unconnected | Not normally connected. |
| 7 | N.C. | unconnected | Not normally connected. |
| 8 | GND | power_in | Ground connection. |
| 9 | N.C. | unconnected | Not normally connected. |
| 10 | N.C. | unconnected | Not normally connected. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | USON-10(1x2.5) |
| Category | Circuit Protection |
| Pins | 10 |

## CAD (KiCad official)

- Symbol: `TPD4EUSB30DQAR`
- Footprint: `Package_SON:USON-10_2.5x1.0mm_P0.5mm`
- 3D model: USON-10(1x2.5) (KiCad packages3D, STEP)
- 3D model files: `tpd4eusb30dqar-etched.step` / `tpd4eusb30dqar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpd4eusb30dqar.step` / `tpd4eusb30dqar.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tpd4eusb30) (28 pp, sha256 `15a9aa5e8a7c2282`, retrieved 2026-10-03, 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:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/tpd4eusb30dqar-datasheet.pdf)