Texas Instruments

TPS53647RTAR

The Texas Instruments TPS53647RTAR is a highly integrated, synchronous step-down converter that offers high efficiency and compact solution for power management applications. This device is designed to provide a regulated output voltage from a wide range of input voltages.

Description:

The TPS53647RTAR is a member of the TPS53647 family of synchronous step-down converters. It is available in a compact 16-pin, 3mm x 4mm RoHS-compliant, thermally-enhanced QFN package. The device features a high-efficiency synchronous buck converter with a wide input voltage range of 4.75V to 23V, and an output voltage range of 0.9V to 5.5V.

Features:

1. High Efficiency: The TPS53647RTAR offers high efficiency up to 96%, which helps to minimize power dissipation and reduce thermal issues.
2. Wide Input Voltage Range: The device can handle input voltages from 4.75V to 23V, making it suitable for a wide range of applications.
3. Synchronous Buck Converter: The synchronous buck converter provides high efficiency and low output voltage ripple.
4. Programmable Output Voltage: The output voltage can be programmed using an external resistor divider, allowing for flexibility in output voltage selection.
5. High-Frequency Operation: The device operates at a high frequency of up to 1.5MHz, enabling the use of smaller external components and reducing solution size.
6. Protection Features: The TPS53647RTAR includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure reliable operation.
7. Low Quiescent Current: The device has a low quiescent current of 35µA in normal operation mode, which helps to minimize power consumption in battery-powered applications.

Applications:

The TPS53647RTAR is suitable for a variety of power management applications, including:

1. Portable Devices: Smartphones, tablets, and wearable devices, where high efficiency and small form factor are crucial.
2. Industrial Applications: In systems where a wide input voltage range and high efficiency are required, such as motor drives and control systems.
3. Automotive Applications: In-vehicle infotainment systems, instrument clusters, and other electronic control units that require a stable and efficient power supply.
4. Networking Equipment: Routers, switches, and other network devices that require efficient power management.
5. Medical Devices: In portable and wearable medical devices, where efficiency and compact size are important.

In summary, the Texas Instruments TPS53647RTAR is a highly efficient, synchronous step-down converter that offers a wide input voltage range, programmable output voltage, and compact solution for various power management applications. Its high efficiency, protection features, and low quiescent current make it suitable for a wide range of applications, including portable devices, industrial systems, automotive, networking equipment, and medical devices.