Texas Instruments

TPS51395RJER  

Unclassified

The TPS51395RJER is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a wide range of input voltages. Here is a description of the TPS51395RJER, including its features and applications:

Description:

The TPS51395RJER is a highly integrated, high-efficiency synchronous step-down regulator that can operate from a wide range of input voltages (4.75V to 23V). It has a wide output voltage range of 0.9V to 5.5V and can deliver up to 3A of continuous output current. The device is available in a compact 20-pin, 3mm x 4mm RoHS-compliant WQFN package.

Features:

1. High Efficiency: The TPS51395RJER offers high efficiency of up to 95%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can operate from input voltages as low as 4.75V and as high as 23V, making it suitable for a wide range of applications.
3. Wide Output Voltage Range: The output voltage can be programmed from 0.9V to 5.5V using an external resistor divider, providing flexibility for various applications.
4. High Output Current: The device can deliver up to 3A of continuous output current, making it suitable for powering high-current loads.
5. Synchronous Rectification: The TPS51395RJER uses synchronous rectification, which improves efficiency by reducing the voltage drop across the switch nodes.
6. Integrated Power MOSFETs: The device features integrated high-side and low-side power MOSFETs, reducing the number of external components and simplifying the design.
7. Programmable Soft Start: The soft-start feature can be programmed to reduce inrush current and minimize output voltage overshoot during startup.
8. Protection Features: The TPS51395RJER includes various protection features such as over-current protection (OCP), over-temperature protection (OTP), and thermal shutdown.
9. Small Package Size: The device is available in a compact 20-pin, 3mm x 4mm WQFN package, which helps save space on the PCB.

Applications:

1. Portable Electronics: The TPS51395RJER is suitable for powering portable electronic devices such as smartphones, tablets, and wearables.
2. Industrial Applications: The device can be used in industrial applications where a wide input voltage range and high efficiency are required, such as in motor drives and control systems.
3. Automotive Applications: The TPS51395RJER can be used in automotive applications, such as infotainment systems, where a wide input voltage range and high efficiency are important.
4. Medical Devices: The device can be used in medical devices that require a stable and regulated power supply, such as portable medical instruments and wearable medical devices.
5. Power Banks and Chargers: The TPS51395RJER can be used in power banks and chargers to provide efficient and stable power to the connected devices.

In summary, the TPS51395RJER is a high-efficiency synchronous step-down regulator from Texas Instruments that offers a wide input voltage range, high output current capability, and various features that make it suitable for a wide range of applications, including portable electronics, industrial, automotive, medical devices, and power banks.

TPS51395RJER Documents

Download datasheets and manufacturer documentation for TPS51395RJER