Overview
The TPD1E04U04DPYT from Texas Instruments is a unidirectional TVS (Transient Voltage Suppressor) ESD (Electrostatic Discharge) protection diode designed to protect high-speed interfaces such as HDMI 2.0 and USB 3.0. This device is engineered to dissipate ESD strikes above the maximum levels specified in the IEC 61000-4-2 international standard, ensuring robust protection for sensitive system-on-chip (SoC) components. It features ultra-low capacitance, low dynamic resistance, and ultra-low clamping voltage, making it ideal for high-speed signal lines.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| ESD Protection (IEC 61000-4-2) | ±16 | - | ±16 | kV |
| IO Capacitance | 0.5 | 0.5 | 0.65 | pF |
| Dynamic Resistance (RDYN) | 0.18 | - | 0.25 | Ω |
| Clamping Voltage (ITLP = 16 A) | - | 8.9 | - | V |
| Leakage Current | - | - | 10 | nA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Reverse Stand-off Voltage | 3.6 | - | - | V |
| Breakdown Voltage (IO pin to GND) | 4.5 | 6.2 | 7.5 | V |
Key Features
- IEC 61000-4-2 Level 4 ESD Protection: ±16-kV contact and air-gap discharge.
- IEC 61000-4-4 EFT Protection: Up to 80 A (5/50 ns waveform).
- IEC 61000-4-5 Surge Protection: Up to 2.5 A (8/20 µs waveform).
- Ultra-low IO Capacitance: 0.5-pF (typical), 0.65-pF (maximum).
- Ultra-low ESD Clamping Voltage: 8.9 V at 16-A TLP, –4.6 V at –16-A TLP.
- Low Dynamic Resistance: 0.25 Ω (IO to GND), 0.18 Ω (GND to IO).
- Ultra-low Leakage Current: 10 nA (maximum).
- Supports High Speed Interfaces: Up to 6 Gbps.
- Industrial Temperature Range: –40°C to +125°C.
- Flow-Through Routing Package: Easy integration into existing layouts.
Applications
- End Equipment: Set-Top Boxes, Laptops and Desktops, TVs and Monitors, Mobile and Tablets, DVR and NVR.
- Interfaces: HDMI 2.0, HDMI 1.4b, USB 3.0, DisplayPort 1.2, PCI Express 3.0.
Q & A
- What is the TPD1E04U04DPYT used for? The TPD1E04U04DPYT is used for ESD protection in high-speed interfaces such as HDMI 2.0 and USB 3.0.
- What are the ESD protection levels of the TPD1E04U04DPYT? It provides ±16-kV contact and air-gap discharge protection according to IEC 61000-4-2.
- What is the typical IO capacitance of the TPD1E04U04DPYT? The typical IO capacitance is 0.5 pF.
- What is the dynamic resistance (RDYN) of the TPD1E04U04DPYT? The dynamic resistance is 0.25 Ω (IO to GND) and 0.18 Ω (GND to IO).
- What is the clamping voltage of the TPD1E04U04DPYT? The clamping voltage is 8.9 V at 16-A TLP and –4.6 V at –16-A TLP.
- What is the leakage current of the TPD1E04U04DPYT? The leakage current is 10 nA (maximum).
- What temperature range does the TPD1E04U04DPYT operate in? It operates in the range of –40°C to +125°C.
- What packages are available for the TPD1E04U04DPYT? It is available in X1SON (DPY) and X2SON (DPL) packages.
- What high-speed interfaces does the TPD1E04U04DPYT support? It supports interfaces up to 6 Gbps, including HDMI 2.0, USB 3.0, and others.
- How does the TPD1E04U04DPYT protect against ESD events? It diverts ESD current to ground through an internal diode network, protecting sensitive ICs from voltage spikes.
