Texas Instruments

TPS2051BDGNR

The TPS2051BDGNR is a high-performance USB current limiting switch from Texas Instruments. It is designed to protect USB ports from overcurrent conditions and to provide power switching and control in a variety of applications.

Description:

The TPS2051BDGNR is a single-channel USB current limiting switch that integrates a power switch, current limit, and thermal shutdown into a single device. It is available in a small DFN-10 package, making it ideal for space-constrained applications.

Features:

• USB-compatible input voltage range: 4.75V to 5.5V
• Output current limit: programmable from 100mA to 5.5A
• Thermal shutdown protection
• Overcurrent protection
• Short-circuit protection
• Low quiescent current: 2.5uA (typical)
• Small DFN-10 package

Applications:

The TPS2051BDGNR is suitable for a wide range of applications that require USB power switching and protection, including:

1. USB charging ports in smartphones, tablets, and laptops
2. Power banks and portable chargers
3. USB-powered IoT devices and smart home appliances
4. Medical devices and equipment
5. Industrial and automotive USB charging ports

In summary, the TPS2051BDGNR is a versatile and compact USB current limiting switch that offers robust protection and control for USB-powered devices. Its small form factor and low quiescent current make it an ideal choice for space-constrained applications, while its programmable current limit and thermal shutdown protection ensure reliable operation in a variety of environments.