Overview
The TPS2051CDBVR is a single-channel, current-limited, power-distribution switch integrated circuit (IC) manufactured by Texas Instruments. This device is designed to manage power distribution in various electronic systems, particularly where heavy capacitive loads and short circuits are common. It is part of the TPS2051C family, which offers reliable and efficient power management solutions.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | DBV (SOT-23-5) |
| Current Limit | Fixed current-limit thresholds (e.g., 0.5 A to 2 A) |
| Ambient Temperature Range | –40°C to 85°C |
| Supply Voltage | Up to 5.5 V |
| Enable/Disable | Active high enable |
| Overcurrent Response Time | 2 µs |
| Reverse Current Blocking | Yes |
| Output Discharge | Selected parts with output discharge |
| Soft Start | Built-in soft start |
| UL Listing | UL listed and CB-file No. E169910 |
Key Features
- Current limiting to prevent overcurrent conditions
- Fast overcurrent response time of 2 µs
- Deglitched fault reporting
- Reverse current blocking
- Built-in soft start to reduce inrush current
- Output discharge capability on selected parts
- Active high enable for easy control
Applications
The TPS2051CDBVR is suitable for a variety of applications where reliable power distribution and protection are crucial. These include:
- USB ports and hubs
- Laptops and desktops
- High-definition digital TVs
- Set-top boxes
Q & A
- What is the TPS2051CDBVR used for?
The TPS2051CDBVR is used as a power-distribution switch to manage and protect power delivery in electronic systems. - What are the current limit options for the TPS2051CDBVR?
The device offers fixed current-limit thresholds ranging from 0.5 A to 2 A. - What is the ambient temperature range for the TPS2051CDBVR?
The ambient temperature range is –40°C to 85°C. - Does the TPS2051CDBVR have built-in soft start?
Yes, it has built-in soft start to reduce inrush current. - What is the overcurrent response time of the TPS2051CDBVR?
The overcurrent response time is 2 µs. - Is the TPS2051CDBVR UL listed?
Yes, it is UL listed and has a CB-file No. E169910. - What types of applications is the TPS2051CDBVR suitable for?
It is suitable for USB ports, laptops, desktops, high-definition digital TVs, and set-top boxes. - Does the TPS2051CDBVR have reverse current blocking?
Yes, it has reverse current blocking. - How is the enable/disable function controlled on the TPS2051CDBVR?
The enable/disable function is controlled by an active high enable. - Does the TPS2051CDBVR have output discharge capability?
Yes, selected parts of the TPS2051CDBVR have output discharge capability.
