component

TPD8S300ARUKR

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Texas Instruments Surge Protection Devices (SPDs), WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPD8S300ARUKR

Texas Instruments · Surge Protection Devices (SPDs) · WQFN-20-EP(3x3)

TPD8S300ARUKR 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 SBU1 over-voltage protection FET; rated for 24 V maximum per absolute maximum ratings.
2 C_SBU2 bidirectional Connector side of SBU2 over-voltage protection FET; rated for 24 V maximum per absolute maximum ratings.
3 VBIAS power_in Power supply for ESD support capacitor; requires 0.1 µF capacitor connected to ground; rated for 24 V maximum.
4 C_CC1 bidirectional Connector side of CC1 over-voltage protection FET; rated for 24 V maximum per absolute maximum ratings.
5 C_CC2 bidirectional Connector side of CC2 over-voltage protection FET; rated for 24 V maximum per absolute maximum ratings.
6 RPD_G2 bidirectional Dead battery pull-down resistor control for CC2; short to C_CC2 for dead battery function or to GND if not used; rated for 24 V maximum.
7 RPD_G1 bidirectional Dead battery pull-down resistor control for CC1; short to C_CC1 for dead battery function or to GND if not used; rated for 24 V maximum.
8 GND power_in Ground reference.
9 FLT output Open-drain fault output for over-voltage or over-current fault detection; rated for 6 V maximum per absolute maximum ratings.
10 VPWR power_in Power supply input; nominal 3.3 V, range 2.7 V to 3.6 V per recommended operating conditions.
11 CC2 bidirectional System side of CC2 over-voltage protection FET connected to CC/PD controller; rated for 5.5 V maximum per recommended operating conditions.
12 CC1 bidirectional System side of CC1 over-voltage protection FET connected to CC/PD controller; rated for 5.5 V maximum per recommended operating conditions.
13 GND power_in Ground reference.
14 SBU2 bidirectional System side of SBU2 over-voltage protection FET; rated for 4.3 V maximum per recommended operating conditions.
15 SBU1 bidirectional System side of SBU1 over-voltage protection FET; rated for 4.3 V maximum per recommended operating conditions.
16 D4 bidirectional USB 2.0 IEC ESD protection pin; rated for 5.5 V maximum per recommended operating conditions.
17 D3 bidirectional USB 2.0 IEC ESD protection pin; rated for 5.5 V maximum per recommended operating conditions.
18 GND power_in Ground reference.
19 D2 bidirectional USB 2.0 IEC ESD protection pin; rated for 5.5 V maximum per recommended operating conditions.
20 D1 bidirectional USB 2.0 IEC ESD protection pin; rated for 5.5 V maximum per recommended operating conditions.
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: TPD8S300ARUKR
  • 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: tpd8s300arukr-etched.step / tpd8s300arukr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tpd8s300arukr.step / tpd8s300arukr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (36 pp, sha256 ee1189169adbc2bf, retrieved 2026-10-07, 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