STMicroelectronics

ST890BDR

ST890BDR Description

The ST890BDR is a high-performance, P-channel power switch from STMicroelectronics, designed for a wide range of applications in power distribution and load driving. With its 1:1 input-to-output ratio and a single output, this device offers a versatile solution for various electronic systems. The ST890BDR features a high-side output configuration, allowing it to control high-side loads directly without the need for additional components. This power switch is designed to operate over a wide voltage range of 2.7V to 5.5V, making it suitable for various power supply systems.

ST890BDR Features

• High-Side Output Configuration: The ST890BDR's high-side output configuration simplifies the design of high-side load control applications by eliminating the need for external components.
• 1.2A Maximum Output Current: This power switch can handle up to 1.2A of continuous output current, making it suitable for applications with moderate power requirements.
• 75mOhm Typical Rds(on): The low on-resistance of the ST890BDR minimizes power dissipation and ensures efficient power transfer to the load.
• Current Limiting and Over-Temperature Protection: The ST890BDR features built-in current limiting and over-temperature protection to safeguard the device and the system from potential damage.
• RoHS3 Compliance: This power switch meets the RoHS3 compliance requirements, making it suitable for environmentally friendly applications.
• REACH Unaffected Status: The ST890BDR is not affected by the REACH regulation, ensuring its continued availability for use in various applications.
• Surface Mount Packaging: The device is available in a surface-mount package, facilitating easy integration into printed circuit board (PCB) designs.

ST890BDR Applications

The ST890BDR is ideal for a wide range of applications, including:

1. Portable Electronics: Due to its low power consumption and wide voltage range, the ST890BDR is suitable for use in portable electronic devices such as smartphones, tablets, and wearables.
2. Automotive Applications: This power switch can be used in automotive systems for controlling various loads, such as infotainment systems, lighting, and power windows.
3. Industrial Control Systems: The ST890BDR can be employed in industrial control systems for managing power distribution and load driving in motor drives, sensors, and actuators.
4. Telecommunications: This power switch can be used in telecommunications equipment for controlling power to various components, such as power amplifiers, signal processors, and transceivers.

Conclusion of ST890BDR

The ST890BDR from STMicroelectronics is a versatile and high-performance power switch designed for a wide range of applications in power distribution and load driving. Its unique features, such as high-side output configuration, low on-resistance, and built-in protection mechanisms, make it an ideal choice for various electronic systems. With its RoHS3 compliance and REACH unaffected status, the ST890BDR is also suitable for environmentally conscious applications. Overall, the ST890BDR offers a reliable and efficient solution for managing power in a diverse range of electronic devices and systems.