Overview
The TPD4E001RDBVR is a four-channel Transient Voltage Suppressor (TVS) based Electrostatic Discharge (ESD) protection diode array manufactured 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
| Specification | Value |
|---|---|
| ESD Protection | IEC 61000-4-2 Level 4: ±8kV Contact Discharge, ±15kV Air-Gap Discharge |
| Peak Pulse Current | 5.5A (8/20µs Pulse) |
| IO Capacitance | 1.5pF (Typical) per channel |
| Leakage Current | < 1nA (Maximum) |
| Supply Current | 1nA |
| Supply-Voltage Range | 0.9V to 5.5V |
| Operating Temperature Range | –40°C to +85°C |
| Package Options | DRL (SOT), DBV (SOT-23), DCK (SC-70), DRS (QFN), DPK (PUSON) |
Key Features
- Uni-directional ESD protection with low capacitance.
- Central ESD clamp with two hiding diodes per line to reduce capacitive loading.
- Protection for VCC line through central ESD clamp.
- Ideal for high-speed data IO interfaces due to low IO capacitance.
- Suitable for precision analog measurements with ultra-low leakage current.
- Space-saving package options.
- Alternate 2, 3, and 6-channel options available (TPD2E001, TPD3E001, TPD6E001).
Applications
- USB 2.0 interfaces.
- Ethernet connections.
- FireWire™ Serial Bus.
- LVDS (Low Voltage Differential Signaling).
- SVGA Video Connections.
- Glucose meters and other medical devices requiring precision analog measurements.
- Heart rate monitors.
Q & A
- What is the TPD4E001RDBVR used for?
The TPD4E001RDBVR is used for providing Electrostatic Discharge (ESD) protection in high-speed data interfaces.
- What are the ESD protection levels of the TPD4E001RDBVR?
The device provides ESD protection according to IEC 61000-4-2 Level 4, which includes ±8kV Contact Discharge and ±15kV Air-Gap Discharge.
- What is the typical IO capacitance of the TPD4E001RDBVR?
The typical IO capacitance is 1.5pF per channel.
- What is the maximum leakage current of the TPD4E001RDBVR?
The maximum leakage current is less than 1nA.
- What is the operating temperature range of the TPD4E001RDBVR?
The operating temperature range is –40°C to +85°C.
- In what packages is the TPD4E001RDBVR available?
The device is available in DRL (SOT), DBV (SOT-23), DCK (SC-70), DRS (QFN), and DPK (PUSON) packages.
- What are some common applications of the TPD4E001RDBVR?
Common applications include USB 2.0 interfaces, Ethernet connections, FireWire™ Serial Bus, LVDS, SVGA Video Connections, and medical devices like glucose meters and heart rate monitors.
- How does the TPD4E001RDBVR protect against ESD events?
The device protects against ESD events by directing high voltages to ground and VCC via its internal diode network, ensuring that the protected lines are clamped to a safe voltage level.
- What design considerations should be taken when using the TPD4E001RDBVR?
Design considerations include placing the device close to the connectors, ensuring sufficient metallization for VCC and GND loops, and using a 0.1-μF capacitor near the VCC pin for ESD bypass.
- Can the TPD4E001RDBVR be used in safety-critical applications?
Users should carefully evaluate and test the device in their specific application to ensure suitability, as indicated in the device's documentation.
