Texas Instruments

TPS51285B-1RUKR

The TPS51285B-1RUKR is a highly integrated step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The TPS51285B-1RUKR is a compact, high-efficiency synchronous buck converter with an input voltage range of 4.5V to 22V and an output voltage range of 0.95V to 5.5V. It has a typical no-load power consumption of 3.5uA and can deliver up to 3A of continuous output current.

Features:

1. High efficiency: The TPS51285B-1RUKR offers high efficiency of up to 93%, which helps reduce power dissipation and improve overall system performance.
2. Wide input voltage range: The device can operate with input voltages ranging from 4.5V to 22V, making it suitable for various power supply scenarios.
3. Low quiescent current: The low no-load power consumption of 3.5uA makes the TPS51285B-1RUKR ideal for battery-powered applications.
4. Small form factor: The device is available in a compact 1mm x 2mm RoHS-compliant package, making it suitable for space-constrained applications.
5. Synchronous rectification: The TPS51285B-1RUKR uses synchronous rectification, which improves efficiency and reduces power loss.
6. Programmable soft-start: The device features a programmable soft-start function, which helps reduce inrush current and minimize output voltage overshoot during startup.
7. Protection features: The TPS51285B-1RUKR includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown (TSD) to ensure safe and reliable operation.

Applications:

1. Portable electronics: The TPS51285B-1RUKR is suitable for powering portable devices such as smartphones, tablets, and wearables.
2. Industrial systems: The device can be used in industrial applications that require efficient power conversion, such as motor drives and control systems.
3. Automotive systems: The TPS51285B-1RUKR can be used in automotive applications, such as infotainment systems and advanced driver-assistance systems (ADAS).
4. Medical devices: The compact form factor and high efficiency make the TPS51285B-1RUKR suitable for powering portable medical devices, such as wearable health monitors and portable diagnostic equipment.
5. IoT devices: The device can be used in Internet of Things (IoT) devices that require efficient and stable power conversion, such as smart home devices and sensors.

In summary, the TPS51285B-1RUKR from Texas Instruments is a highly efficient, compact, and versatile step-down switching regulator that can be used in a wide range of applications, including portable electronics, industrial systems, automotive systems, medical devices, and IoT devices. Its high efficiency, low quiescent current, and integrated protection features make it an ideal choice for power conversion in various electronic systems.