The TPD12S521 is a single-chip electro-static discharge (ESD) circuit protection device for the high-definition multimedia interface (HDMI) transmitter port. While providing ESD protection with transient voltage suppression (TVS) diodes, the TVS protection adds little or no additional glitch in the high-speed differential signals. The high-speed transition minimized differential signaling (TMDS) ESD protection lines add only 0.8-pF capacitance.
The low-speed control lines offer voltage-level shifting to eliminate the need for an external voltage level-shifter IC. The control line TVS diodes add 3.5-pF capacitance to the control lines. The 38-pin DBT package offers a seamless layout routing option to eliminate the routing glitch for the differential signal pairs. The DBT package pitch (0.5 mm) matches with the HDMI connector pitch. In addition, the pin mapping follows the same order as the HDMI connector pin mapping. The TPD12S521 provides an on-chip current limiting switch with output ratings of 55 mA at pin 38. This enables HDMI receiver detection even when the receiver device is powered off.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TPD12S521 Single-Chip HDMI Transmitter Port Protection and Interface Device datasheet (Rev. F) | PDF | HTML | 08 Feb 2016 |
| User guide | Reading and Understanding an ESD Protection Data Sheet (Rev. A) | PDF | HTML | 19 Sep 2023 | |
| Selection guide | System-Level ESD Protection Guide (Rev. D) | 07 Sep 2022 | ||
| Application note | ESD Protection Layout Guide (Rev. A) | PDF | HTML | 07 Apr 2022 | |
| Selection guide | ESD by Interface Selection Guide (Rev. A) | 26 Jun 2017 | ||
| White paper | Designing USB for short-to-battery tolerance in automotive environments | 10 Feb 2016 | ||
| Analog Design Journal | Design Considerations for System-Level ESD Circuit Protection | 25 Sep 2012 |
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| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| TSSOP (DBT) | 38 | Ultra Librarian |
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