Overview
The TPD2EUSB30A, produced by Texas Instruments, is a 2-channel Transient Voltage Suppressor (TVS) based Electrostatic Discharge (ESD) protection diode array. This device is specifically designed to provide robust protection for high-speed differential I/Os, particularly in USB 3.0 applications. The TPD2EUSB30A is notable for its low capacitance, low break-down voltage, and low dynamic resistance, making it an ideal component for safeguarding against ESD and surge events in high-speed data transmission systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-9X3 (DRT) | |
| Package Size | 1 mm × 1 mm | |
| Operating Temperature Range | -40 to 85 | °C |
| Capacitance (IO to IO) | 0.7 pF (typical) | pF |
| Capacitance (IO to GND) | 0.7 pF (typical) | pF |
| Dynamic Resistance | 0.6 Ω (typical) | Ω |
| Reverse Stand-off Voltage (D+ and D- pins) | 3.6 V | V |
| Clamp Voltage (D+, D- pins to ground) | 8 V | V |
| Peak Pulse Current (8/20 μs) | 5 A | A |
| Surge Peak Power (8/20 μs) | 45 W | W |
Key Features
- Supports USB 3.0 data rates (5 Gbps)
- IEC 61000-4-2 ESD protection (level 4 contact)
- IEC 61000-4-5 surge protection – 5 A (8/20 μs)
- Low capacitance – 0.7 pF (typical) for DRT package
- Dynamic resistance: 0.6 Ω (typical)
- Space-saving DRT package (1 mm × 1 mm)
- Flow-through pin mapping for high-speed differential lines
- Low 4.5-V DC break-down voltage for TPD2EUSB30A
Applications
The TPD2EUSB30A is commonly used in various electronic devices that require high-speed data transmission and robust ESD protection. These include:
- Notebooks
- Set-top boxes
- DVD players
- Media players
- Portable computers
It is particularly useful in applications where high-speed differential I/Os are exposed to potential ESD and surge events, such as near USB 3.0 connectors.
Q & A
- What is the primary function of the TPD2EUSB30A?
The TPD2EUSB30A is a 2-channel Transient Voltage Suppressor (TVS) based Electrostatic Discharge (ESD) protection diode array designed to protect high-speed differential I/Os from ESD and surge events.
- What data rates does the TPD2EUSB30A support?
The TPD2EUSB30A supports USB 3.0 data rates up to 5 Gbps.
- What are the key ESD and surge protection specifications of the TPD2EUSB30A?
The device provides IEC 61000-4-2 ESD protection (level 4 contact) and IEC 61000-4-5 surge protection with a peak pulse current rating of 5 A (8/20 μs).
- What is the typical capacitance of the TPD2EUSB30A?
The typical capacitance of the TPD2EUSB30A is 0.7 pF for the DRT package.
- What is the dynamic resistance of the TPD2EUSB30A?
The dynamic resistance of the TPD2EUSB30A is 0.6 Ω (typical).
- What package options are available for the TPD2EUSB30A?
The TPD2EUSB30A is available in a space-saving DRT package (1 mm × 1 mm).
- What is the recommended placement for the TPD2EUSB30A on a PCB?
The TPD2EUSB30A should be placed right next to the USB 3.0 connector, and the GND pin should be connected to the GND plane of the board through a large VIA or a wide trace.
- What are some common applications for the TPD2EUSB30A?
The TPD2EUSB30A is commonly used in notebooks, set-top boxes, DVD players, media players, and portable computers.
- What is the operating temperature range of the TPD2EUSB30A?
The operating temperature range of the TPD2EUSB30A is -40°C to 85°C.
- What is the break-down voltage for the TPD2EUSB30A?
The break-down voltage for the TPD2EUSB30A is 4.5 V.
