Overview
The TPS2051BDBVR is a high-side power-distribution switch produced by Texas Instruments. This component is designed for applications where heavy capacitive loads and short circuits are likely to be encountered. It features a 70mΩ N-channel MOSFET power switch, making it suitable for power-distribution systems that require multiple power switches in a single package. The device is controlled by a logic enable input and includes an internal charge pump to manage the power-switch rise and fall times, minimizing current surges during switching. The TPS2051BDBVR operates from supplies as low as 2.7V and up to 5.5V, making it versatile for various power distribution needs.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOT-23 (DBV), 5 Pins |
| Operating Temperature Range | -40°C to 125°C |
| Operating Voltage Range | 2.7V to 5.5V |
| Continuous Current | 500mA |
| Current Limit | 0.75A Minimum, 1.25A Maximum |
| MOSFET Resistance | 70mΩ |
| Rise Time | 0.6ms Typical |
| Standby Supply Current | 1µA (Single, Dual) or 2µA (Triple, Quad) |
| Thermal Protection | Automatic shutdown and recovery |
| UL Recognition | File Number E169910 |
Key Features
- 70mΩ High-Side MOSFET for efficient power distribution
- 500mA Continuous Current capability
- Thermal and Short-Circuit Protection to prevent device damage
- Accurate Current Limit (0.75A Minimum, 1.25A Maximum)
- Operating Range: 2.7V to 5.5V
- 0.6ms Typical Rise Time for fast switching
- Undervoltage Lockout for safe operation
- Deglitched Fault Report (OC) to ensure reliable fault detection
- No OC Glitch During Power Up for smooth startup
- Maximum Standby Supply Current: 1µA (Single, Dual) or 2µA (Triple, Quad)
- UL Recognized, File Number E169910 for compliance with safety standards
Applications
The TPS2051BDBVR is suitable for various applications where reliable power distribution is critical, such as:
- USB Power Distribution
- Powering Heavy Capacitive Loads
- Short-Circuit Protection in Power Systems
- Automated Systems Requiring Multiple Power Switches
- Industrial and Consumer Electronics
Q & A
- What is the operating voltage range of the TPS2051BDBVR?
The operating voltage range is from 2.7V to 5.5V.
- What is the continuous current capability of the TPS2051BDBVR?
The continuous current capability is 500mA.
- Does the TPS2051BDBVR have thermal protection?
- What is the typical rise time of the TPS2051BDBVR?
- Is the TPS2051BDBVR UL recognized?
- What type of MOSFET does the TPS2051BDBVR use?
- What is the current limit range of the TPS2051BDBVR?
- Does the TPS2051BDBVR have undervoltage lockout?
- What is the standby supply current of the TPS2051BDBVR?
- In what package is the TPS2051BDBVR available?
