Overview
The ESD122DMYR from Texas Instruments is a bidirectional TVS (Transient Voltage Suppressor) ESD protection diode array designed for protecting high-speed interfaces such as USB Type-C and HDMI 2.0. This device is engineered to provide robust protection against electrostatic discharge (ESD) events, ensuring the integrity of sensitive electronic components. The ESD122DMYR features ultra-low capacitance, making it ideal for high-speed signal lines up to 10 Gbps, including USB 3.1 Gen 2 and HDMI 2.0 applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| IEC 61000-4-2 ESD Protection (Contact) | - | - | ±17 kV | - |
| IEC 61000-4-2 ESD Protection (Air Gap) | - | - | ±17 kV | - |
| ESD Strikes (IEC 61000-4-2 Level 4 Contact) | - | - | 10,000 | - |
| IEC 61000-4-4 EFT Protection | - | - | 80 A (5/50 ns) | - |
| IEC 61000-4-5 Surge Protection | - | - | 2.5 A (8/20 µs) | - |
| IO Capacitance (Typical) between IOs | - | 0.1 pF | - | pF |
| IO Capacitance (Typical) IO to GND | - | 0.2 pF | - | pF |
| DC Breakdown Voltage (Minimum) | 5.1 V | - | - | V |
| Leakage Current (Maximum) | - | - | 10 nA | A |
| Operating Free-Air Temperature | -40°C | - | 125°C | °C |
| Package Body Size (DMY) | - | - | 0.60 mm × 1.32 mm | mm |
Key Features
- Ultra-low IO capacitance (0.1 pF typical between IOs, 0.2 pF typical IO to GND)
- IEC 61000-4-2 Level 4 ESD protection: ±17 kV contact and air gap discharge
- Withstands over 10,000 ESD strikes without performance degradation
- IEC 61000-4-4 EFT protection: 80 A (5/50 ns)
- IEC 61000-4-5 surge protection: 2.5 A (8/20 µs)
- Low dynamic resistance and low clamping voltage
- Supports high-speed interfaces up to 10 Gbps (e.g., USB 3.1 Gen 2, HDMI 2.0)
- Industrial temperature range: –40°C to +125°C
- Easy flow-through routing package with symmetric differential high-speed signal routing
Applications
- USB Type-C and USB 3.1 Gen 2/Gen 1/USB 3.0/USB 2.0 applications
- HDMI 2.0/1.4 applications
- Thunderbolt-1 and Thunderbolt-2 applications
- Display Port 1.3 applications
- PCI Express 3.0 applications
- SATA 3 applications
- End equipment such as mobile devices, tablets, laptops, desktops, set-top boxes, TVs, and monitors
- Servers and other high-speed interface applications
Q & A
- What is the ESD122DMYR used for?
The ESD122DMYR is used to provide ESD protection for high-speed interfaces such as USB Type-C and HDMI 2.0.
- What level of ESD protection does the ESD122DMYR offer?
The ESD122DMYR offers IEC 61000-4-2 Level 4 ESD protection, which includes ±17 kV contact and air gap discharge.
- How many ESD strikes can the ESD122DMYR withstand?
The ESD122DMYR can withstand over 10,000 ESD strikes without any performance degradation.
- What is the typical IO capacitance of the ESD122DMYR?
The typical IO capacitance is 0.1 pF between IOs and 0.2 pF IO to GND.
- What is the operating temperature range of the ESD122DMYR?
The operating temperature range is –40°C to +125°C.
- What package options are available for the ESD122DMYR?
The ESD122DMYR is available in two package options: X2SON (DMX) 0.60 mm × 1.00 mm and X2SON (DMY) 0.60 mm × 1.32 mm.
- What high-speed interfaces does the ESD122DMYR support?
The ESD122DMYR supports high-speed interfaces up to 10 Gbps, including USB 3.1 Gen 2 and HDMI 2.0.
- How does the ESD122DMYR protect against transient events?
The ESD122DMYR protects against transient events with its low dynamic resistance and low clamping voltage.
- What are some typical applications of the ESD122DMYR?
- How does the ESD122DMYR simplify board layout?
The ESD122DMYR simplifies board layout with its easy flow-through routing package and symmetric differential high-speed signal routing.
