Overview
The TPD4E001DPKR 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, ensuring the integrity of sensitive electronic components against electrostatic discharges.
The TPD4E001DPKR is part of a family of ESD protection devices that include 2, 3, and 6-channel options (TPD2E001, TPD3E001, TPD6E001). It is particularly suited for applications requiring low capacitance and high-speed data transmission.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | |
| Supply Voltage Range | 0.9 - 5.5 | V |
| IO Capacitance per Channel | 1.5 | pF |
| Leakage Current | < 1 | nA |
| Peak Pulse Current (8/20-µs Pulse) | 5.5 | A |
| ESD Protection (IEC 61000-4-2) | ±8 kV (Contact), ±15 kV (Air-Gap) | V |
| Operating Temperature Range | –40 to +85 | °C |
| Package Options | DRL (SOT), DBV (SOT-23), DCK (SC-70), DPK (USON), DRS (QFN) |
Key Features
- Low capacitance of 1.5 pF per channel, ideal for high-speed data interfaces.
- Ultra-low leakage current of less than 1 nA, suitable for precision analog measurements.
- IEC 61000-4-2 ESD protection (Level 4) with ±8 kV contact discharge and ±15 kV air-gap discharge.
- Space-saving package options including DRL, DBV, DCK, DPK, and DRS.
- Operating temperature range of –40°C to +85°C.
- Uni-directional ESD protection with a central ESD clamp and two diodes per line to reduce capacitive loading.
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 and other wearable devices
Q & A
- What is the primary function of the TPD4E001DPKR?
The TPD4E001DPKR is designed to provide Electrostatic Discharge (ESD) protection for high-speed data interfaces.
- What are the key package options available for the TPD4E001DPKR?
The device is available in DRL (SOT), DBV (SOT-23), DCK (SC-70), DPK (USON), and DRS (QFN) packages.
- What is the typical IO capacitance per channel of the TPD4E001DPKR?
The typical IO capacitance per channel is 1.5 pF.
- What are the ESD protection levels of the TPD4E001DPKR according to IEC 61000-4-2?
The device provides ±8 kV contact discharge and ±15 kV air-gap discharge protection.
- What is the recommended operating temperature range for the TPD4E001DPKR?
The device operates within a temperature range of –40°C to +85°C.
- What is the maximum leakage current of the TPD4E001DPKR?
The maximum leakage current is less than 1 nA.
- Can the TPD4E001DPKR be used in medical devices?
Yes, it is suitable for medical devices such as glucose meters and heart rate monitors due to its low leakage current and high precision.
- What is the peak pulse current rating of the TPD4E001DPKR?
The peak pulse current rating is 5.5 A for an 8/20-µs pulse.
- How should the VCC pin be connected for optimal performance?
The VCC pin should be connected to the system power supply and bypassed to GND with a 0.1-μF ceramic capacitor for optimal ESD protection.
- Are there other channel options available in the TPD4E001 family?
Yes, there are 2-channel (TPD2E001), 3-channel (TPD3E001), and 6-channel (TPD6E001) options available.
