Overview
The TPD2E007DCKR is a 2-channel electrostatic discharge (ESD) protection array designed by Texas Instruments. This device is specifically engineered to provide system-level ESD protection for a wide range of portable and industrial applications. It features a back-to-back diode array that supports AC-coupled or negative-going data transmission without compromising signal integrity. The TPD2E007DCKR is packaged in a compact PicoStar package, which is intended to be embedded inside the printed circuit board, thereby saving board space in portable applications.
Key Specifications
| Parameter | Value |
|---|---|
| ESD Protection (IEC 61000-4-2) | ±8 kV (Contact), ±15 kV (Air-Gap) |
| Surge Protection (IEC 61000-4-5) | 4.5 A Peak Pulse Current (8/20-µs Pulse) |
| Channel Input Capacitance | 10 pF to 15 pF (VIO = 2.5 V; ƒ = 10 MHz) |
| Leakage Current | 20 nA to 50 nA |
| Dynamic Resistance | 3.5 Ω |
| Breakdown Voltage (GND to Pin 1 or 2) | 14 V (IIO = 10 mA) |
| Package Type | PicoStar (SOT-23) |
Key Features
- Exceeds IEC 61000-4-2 Level 4 ESD protection and IEC 61000-4-5 surge protection standards.
- Low channel input capacitance of 10 pF to 15 pF, ensuring minimal signal distortion.
- Low leakage current of 20 nA to 50 nA.
- Compact PicoStar package for space-saving in portable applications.
- Supports AC-coupled and negative-going data transmission without compromising signal integrity.
Applications
The TPD2E007DCKR is ideal for providing ESD protection in various applications, including:
- RS-232, RS-485, and LVDS interfaces.
- Audio interfaces.
- Portable and industrial devices requiring system-level ESD protection.
- Any system where signal lines are exposed to human interface connectors and need protection against ESD events.
Q & A
- What is the primary function of the TPD2E007DCKR? The primary function is to provide system-level electrostatic discharge (ESD) protection for signal lines in various applications.
- What are the ESD protection levels of the TPD2E007DCKR? It exceeds IEC 61000-4-2 Level 4 ESD protection standards, with ±8 kV contact discharge and ±15 kV air-gap discharge.
- What is the surge protection capability of the TPD2E007DCKR? It can handle a peak pulse current of 4.5 A (8/20-µs pulse) according to IEC 61000-4-5.
- What is the typical channel input capacitance of the TPD2E007DCKR? The channel input capacitance is 10 pF to 15 pF at VIO = 2.5 V and ƒ = 10 MHz.
- What is the leakage current of the TPD2E007DCKR? The leakage current is between 20 nA and 50 nA.
- What type of package does the TPD2E007DCKR use? It uses a compact PicoStar package (SOT-23).
- What are some common applications for the TPD2E007DCKR? Common applications include RS-232, RS-485, LVDS interfaces, audio interfaces, and other portable and industrial devices requiring ESD protection.
- How does the TPD2E007DCKR support AC-coupled data transmission? The back-to-back diode array allows for AC-coupled or negative-going data transmission without compromising signal integrity.
- What is the breakdown voltage of the TPD2E007DCKR? The breakdown voltage is 14 V (IIO = 10 mA) from GND to pin 1 or 2.
- Is the TPD2E007DCKR RoHS compliant? Yes, the TPD2E007DCKR is RoHS compliant.
