Overview
The TPD3S014DBVR from Texas Instruments is an integrated device designed to provide current limiting and electrostatic discharge (ESD) protection for USB host ports. This component is particularly useful in applications where heavy capacitive loads and short-circuits are common, such as in laptops, high-definition digital TVs, set-top boxes, and electronic point of sale equipment. The TPD3S014DBVR combines a current-limited load switch with a two-channel transient voltage suppressor (TVS) based ESD protection diode array, ensuring robust protection against overcurrent and ESD events.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Continuous Output Current | 0.5 | A |
| Current Limit | 0.67 to 1.01 | A |
| Input Voltage Range | 4.5 to 5.5 | V |
| Enable Input Threshold | 1 to 1.45 | V |
| Turn On/Off Time | 1.6 to 2.7 ms / 1.7 to 2.1 ms | ms |
| Rise/Fall Time | 0.4 to 0.9 ms / 0.25 to 0.8 ms | ms |
| ESD Protection | ±12-kV Contact Discharge, ±15-kV Air Gap Discharge (IEC 61000-4-2) | |
| Operating Junction Temperature | -40 to 125 | °C |
| Package Type | SOT-23-6 (DBV) |
Key Features
- Continuous current ratings of 0.5 A with fixed current limits of 0.85 A (typical).
- Fast overcurrent response time of 2 μs.
- Integrated output discharge and reverse current blocking.
- Short-circuit protection and over-temperature protection with auto-restart.
- Level 4 IEC61000-4-2 ESD protection on the pins of the USB connector.
- Built-in soft start to minimize current surges.
- Compact SOT-23-6 (DBV) package.
Applications
- Laptops and desktops.
- High-definition digital TVs.
- Set-top boxes.
- Electronic point of sale equipment.
- USB hubs and other USB interfaces.
- 5-V power rails in various electronic devices.
Q & A
- What is the primary function of the TPD3S014DBVR?
The primary function is to provide current limiting and ESD protection for USB host ports. - What is the continuous output current rating of the TPD3S014DBVR?
The continuous output current rating is 0.5 A. - What level of ESD protection does the TPD3S014DBVR offer?
The device offers Level 4 IEC61000-4-2 ESD protection. - What is the typical current limit of the TPD3S014DBVR?
The typical current limit is 0.85 A. - What is the operating junction temperature range of the TPD3S014DBVR?
The operating junction temperature range is -40°C to 125°C. - What package type is the TPD3S014DBVR available in?
The device is available in a SOT-23-6 (DBV) package. - Does the TPD3S014DBVR have built-in over-temperature protection?
Yes, it has over-temperature protection with auto-restart. - What is the turn-on and turn-off time of the TPD3S014DBVR?
The turn-on time is 1.6 to 2.7 ms, and the turn-off time is 1.7 to 2.1 ms. - Does the TPD3S014DBVR have reverse current blocking?
Yes, it has reverse current blocking. - What are some common applications of the TPD3S014DBVR?
Common applications include laptops, high-definition digital TVs, set-top boxes, and electronic point of sale equipment.
