component
TPD8S300ARUKR
Public Made by Adomby adom
Texas Instruments Surge Protection Devices (SPDs), WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTPD8S300ARUKR
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tpd8s300arukr.step/tpd8s300arukr.glbare 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).