Microchip Technology

XS8805B0BQR-H

The XS8805B0BQR-H is a high-performance, low-power step-down (buck) DC-DC converter from Microchip Technology. This device is designed to provide efficient power conversion in a wide range of applications, including battery-powered systems, consumer electronics, and industrial equipment.

Description:

The XS8805B0BQR-H is a compact, 6-pin, 1.5mm pitch WLCSP (Wafer Level Chip Scale Package) that offers a wide input voltage range of 2.5V to 5.5V. It can deliver an output current of up to 800mA and features a fixed output voltage of 3.3V. The device operates with a switching frequency of 1.5MHz, allowing for the use of small external components and compact designs.

Features:

1. High efficiency: The XS8805B0BQR-H offers high efficiency levels, up to 93%, which helps reduce power dissipation and improve overall system performance.
2. Low quiescent current: The device has a low quiescent current of 35µA, which is ideal for battery-powered applications where power conservation is crucial.
3. Wide input voltage range: The wide input voltage range of 2.5V to 5.5V makes it suitable for various power sources, including single-cell Li-ion batteries and other voltage sources.
4. Fixed 3.3V output voltage: The fixed output voltage of 3.3V simplifies the design process and ensures stable power delivery to the connected load.
5. High switching frequency: The 1.5MHz switching frequency allows for the use of smaller external components, enabling more compact designs.
6. Low minimum input current: The device can operate with a minimum input current of 5mA, making it suitable for systems with low power consumption requirements.
7. Thermal shutdown and over-voltage protection: The XS8805B0BQR-H includes built-in protection features to ensure reliable operation and prevent damage to the device or connected components.

Applications:

1. Battery-powered systems: The high efficiency and low quiescent current make the XS8805B0BQR-H ideal for use in battery-powered devices, such as portable electronics, wearable devices, and IoT devices.
2. Consumer electronics: The device can be used in various consumer electronics, including smartphones, tablets, and laptops, to provide efficient power conversion and management.
3. Industrial equipment: The XS8805B0BQR-H can be used in industrial applications where efficient power conversion and compact designs are required, such as sensors, controllers, and communication devices.
4. Medical devices: The device's low quiescent current and high efficiency make it suitable for use in battery-powered medical devices, such as portable monitoring systems and diagnostic equipment.
5. Automotive applications: The XS8805B0BQR-H can be used in automotive systems, such as infotainment systems, sensor networks, and battery management systems, to provide efficient power conversion and management.