# TPD6S300RUKR

**Texas Instruments** · ESD And Surge Protection (TVS/ESD) · WQFN-20-EP(3x3)

TPD6S300RUKR from Texas Instruments, in a WQFN-20-EP(3x3). 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 | C_SBU1 | bidirectional | Connector side of the SBU1 OVP FET; connect to either SBU pin of the USB Type-C connector. |
| 2 | C_SBU2 | bidirectional | Connector side of the SBU2 OVP FET; connect to either SBU pin of the USB Type-C connector. |
| 3 | VBIAS | power_in | Power pin for ESD support capacitor; place a 0.1-µF capacitor on this pin to ground. |
| 4 | C_CC1 | bidirectional | Connector side of the CC1 OVP FET; connect to either CC pin of the USB Type-C connector. |
| 5 | C_CC2 | bidirectional | Connector side of the CC2 OVP FET; connect to either CC pin of the USB Type-C connector. |
| 6 | RPD_G2 | bidirectional | Short to C_CC2 if dead battery resistors are needed; if not needed, short pin to GND. |
| 7 | RPD_G1 | bidirectional | Short to C_CC1 if dead battery resistors are needed; if not needed, short pin to GND. |
| 8 | GND | power_in | Ground. |
| 9 | FLT | output | Open drain for fault reporting. |
| 10 | VPWR | power_in | 2.7-V-3.6-V power supply. |
| 11 | CC2 | bidirectional | System side of the CC2 OVP FET; connect to either CC pin of the CC/PD controller. |
| 12 | CC1 | bidirectional | System side of the CC1 OVP FET; connect to either CC pin of the CC/PD controller. |
| 13 | GND | power_in | Ground. |
| 14 | SBU2 | bidirectional | System side of the SBU2 OVP FET; connect to either SBU pin of the SBU MUX. |
| 15 | SBU1 | bidirectional | System side of the SBU1 OVP FET; connect to either SBU pin of the SBU MUX. |
| 16 | N.C. | unconnected | Unused pin; connect to ground. |
| 17 | N.C. | unconnected | Unused pin; connect to ground. |
| 18 | GND | power_in | Ground. |
| 19 | D2 | bidirectional | USB2.0 IEC ESD protection; connect to any of the USB2.0 pins of the USB Type-C connector. |
| 20 | D1 | bidirectional | USB2.0 IEC ESD protection; connect to any of the USB2.0 pins of the USB Type-C connector. |
| 21 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WQFN-20-EP(3x3) |
| Category | Circuit Protection |
| Pins | 21 |

## CAD (KiCad official)

- Symbol: `TPD6S300RUKR`
- Footprint: `Package_DFN_QFN:UQFN-20-1EP_3x3mm_P0.4mm_EP1.85x1.85mm`
- 3D model: WQFN-20-EP(3x3) (KiCad packages3D, STEP)
- 3D model files: `tpd6s300rukr-etched.step` / `tpd6s300rukr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpd6s300rukr.step` / `tpd6s300rukr.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/tpd6s300) (35 pp, sha256 `3be210d93b38eb2d`, 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/tpd6s300rukr-datasheet.pdf)