Texas Instruments

BQ25619RTWR

The BQ25619RTWR is a highly integrated, high efficiency, step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient power conversion for a wide range of applications, including battery-powered devices, portable electronics, and power supplies for small electronic devices.

Description:

The BQ25619RTWR is a step-down switching regulator that uses a synchronous buck topology to convert an input voltage to a lower output voltage. It features a wide input voltage range, high efficiency, and low quiescent current, making it suitable for use in a variety of applications.

Features:

• High efficiency: The BQ25619RTWR is designed to operate with high efficiency, which helps to minimize power loss and improve overall system performance.
• Wide input voltage range: The device can accept a wide range of input voltages, making it suitable for use in a variety of power supply applications.
• Low quiescent current: The BQ25619RTWR has a low quiescent current, which helps to minimize power consumption and extend the battery life of portable devices.
• Synchronous buck topology: The device uses a synchronous buck topology, which allows it to achieve high efficiency and low output voltage ripple.
• Programmable output voltage: The output voltage can be programmed using an external resistor, allowing for flexibility in the output voltage selection.
• Protection features: The BQ25619RTWR includes various protection features, such as over-current protection, over-voltage protection, and thermal shutdown, to help ensure the safe operation of the device.

Applications:

The BQ25619RTWR is suitable for use in a wide range of applications, including:

• Portable electronics: The device's high efficiency and low quiescent current make it well-suited for use in battery-powered devices, such as smartphones, tablets, and wearable electronics.
• Power supplies: The BQ25619RTWR can be used as a power supply for small electronic devices, such as LED lights, sensors, and other low-power devices.
• Battery charging: The device can be used to provide efficient power conversion for battery charging applications, such as charging lithium-ion or lithium-polymer batteries.

Overall, the BQ25619RTWR is a versatile and efficient switching regulator that is well-suited for use in a variety of power conversion applications. Its high efficiency, low quiescent current, and wide input voltage range make it a popular choice for designers looking for a reliable and efficient power management solution.