Texas Instruments

TPS2828DBVR

The TPS2828DBVR is a high-efficiency, synchronous, step-down (buck) switching 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 detailed description of the TPS2828DBVR, its features, and applications: 1. Description: The TPS2828DBVR is a highly integrated, high-efficiency, synchronous buck converter with a wide input voltage range of 4.75V to 23V. It is available in a compact 10-pin, 3mm x 3mm WQFN package. The device is designed to deliver up to 3A of continuous output current with high efficiency and low quiescent current. 2. Features: Some of the key features of the TPS2828DBVR include: a. Wide Input Voltage Range: The device can operate with input voltages ranging from 4.75V to 23V, making it suitable for a variety of applications. b. High Efficiency: The TPS2828DBVR offers high efficiency up to 94%, which helps reduce power dissipation and improve overall system performance. c. Synchronous Rectification: The device uses synchronous rectification, which allows for lower voltage drops and improved efficiency, especially at higher input voltages. d. Programmable Output Voltage: The output voltage can be programmed using an external resistor divider, providing flexibility for different applications. e. Low Quiescent Current: The TPS2828DBVR has a low quiescent current of 45µA in normal operation mode, which helps extend the battery life in portable applications. f. Protection Features: The device includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection. g. Small Package Size: The TPS2828DBVR is available in a compact 10-pin, 3mm x 3mm WQFN package, which helps save space in the overall system design. 3. Applications: The TPS2828DBVR is suitable for a wide range of applications, including but not limited to: a. Portable Devices: Due to its low quiescent current and high efficiency, the TPS2828DBVR is ideal for battery-powered applications such as smartphones, tablets, and wearable devices. b. Industrial Equipment: The device can be used in industrial applications where a wide input voltage range and high efficiency are required, such as motor controllers and sensor interfaces. c. Consumer Electronics: The TPS2828DBVR can be used in various consumer electronics, including home automation systems, smart speakers, and gaming consoles. d. Medical Devices: The device's high efficiency and programmable output voltage make it suitable for use in medical devices such as portable ultrasound machines and wearable health monitors. e. Automotive Applications: The TPS2828DBVR can be used in automotive applications where a wide input voltage range and high efficiency are necessary, such as infotainment systems and power management modules. In summary, the TPS2828DBVR is a versatile, high-efficiency, synchronous buck converter from Texas Instruments that offers a wide input voltage range, programmable output voltage, and various protection features. It is suitable for a wide range of applications, including portable devices, industrial equipment, consumer electronics, medical devices, and automotive applications.