Overview
The TPD4E001DCKR is a four-channel Transient Voltage Suppressor (TVS) based Electrostatic Discharge (ESD) protection diode array produced by Texas Instruments. This device is designed to provide robust ESD protection for high-speed data interfaces, adhering to the IEC 61000-4-2 international standard (Level 4). It features low capacitance and ultra-low leakage current, making it ideal for applications requiring precision and high-speed signal integrity.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ESD Protection (IEC 61000-4-2) | ±8kV Contact Discharge, ±15kV Air-Gap Discharge | V |
| Peak Pulse Current (8/20µs Pulse) | 5.5A | A |
| IO Capacitance | 1.5pF (Typical) | pF |
| Leakage Current | < 1nA (Maximum) | nA |
| Supply Current | 1nA | nA |
| Supply-Voltage Range | 0.9V to 5.5V | V |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | SC-70 (DCK) | - |
| Junction-to-Ambient Thermal Resistance | 251.1 °C/W | °C/W |
Key Features
- IEC 61000-4-2 ESD Protection (Level 4): ±8kV Contact Discharge, ±15kV Air-Gap Discharge
- Low IO Capacitance: 1.5pF (Typical) per channel, ideal for high-speed data IO interfaces
- Ultra-Low Leakage Current: < 1nA (Maximum), suitable for precision analog measurements
- Low Supply Current: 1nA
- Wide Supply-Voltage Range: 0.9V to 5.5V
- Space-Saving Packages: DRL, DBV, DCK, DPK, and DRS options
- Alternate Channel Options: 2, 3, and 6-channel versions available (TPD2E001, TPD3E001, TPD6E001)
Applications
- USB 2.0 Interfaces
- Ethernet
- FireWire™ Serial Bus
- LVDS (Low-Voltage Differential Signaling)
- SVGA Video Connections
- Glucose Meters and other Medical Devices
- Heart Rate Monitors and other Precision Analog Measurements
Q & A
- What is the primary function of the TPD4E001DCKR?
The TPD4E001DCKR is a four-channel Transient Voltage Suppressor (TVS) designed to provide Electrostatic Discharge (ESD) protection for high-speed data interfaces.
- What are the ESD protection levels of the TPD4E001DCKR?
The device provides ESD protection up to ±8kV for contact discharge and ±15kV for air-gap discharge according to the IEC 61000-4-2 standard.
- What is the typical IO capacitance of the TPD4E001DCKR?
The IO capacitance is 1.5pF per channel.
- What is the maximum leakage current of the TPD4E001DCKR?
The maximum leakage current is less than 1nA.
- What is the operating temperature range of the TPD4E001DCKR?
The operating temperature range is –40°C to +85°C.
- What package options are available for the TPD4E001?
The device is available in DRL, DBV, DCK, DPK, and DRS packages.
- What are some common applications for the TPD4E001DCKR?
Common applications include USB 2.0 interfaces, Ethernet, FireWire™ Serial Bus, LVDS, SVGA video connections, and medical devices like glucose meters.
- How should the TPD4E001DCKR be placed in a circuit to ensure effective ESD protection?
The device should be placed as close to the connector as possible to effectively absorb ESD energy before it reaches the internal circuitry.
- What is the recommended layout guideline for the TPD4E001DCKR?
Route the protected traces as straight as possible, eliminate sharp corners, and ensure sufficient metallization for the VCC and GND loop.
- Is a power supply required for the TPD4E001DCKR?
No, the TPD4E001DCKR is a passive ESD protection device and does not require a power supply.
