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BD4938FVE-TR

BD4938FVE-TR Description

The BD4938FVE-TR is a single-channel voltage detector IC from Rohm Semiconductor, designed to monitor and ensure the stability of power supplies in various electronic systems. This device is part of the BD49xxx series and is specifically tailored to provide reliable voltage monitoring with a threshold voltage of 3.8V. The BD4938FVE-TR is packaged in a surface-mount format, making it suitable for compact and high-density PCB designs. It features an active-low reset output, which is ideal for applications requiring a low power consumption and fast response time.

BD4938FVE-TR Features

• Voltage Monitoring: The BD4938FVE-TR is designed to monitor a single voltage rail, ensuring that it remains above the specified threshold of 3.8V. This feature is crucial for maintaining system stability and preventing malfunctions due to voltage drops.
• Active-Low Reset: The reset output is active low, which means it asserts a low signal when the monitored voltage falls below the threshold. This configuration is advantageous for applications where a low signal can be used to trigger a reset or shutdown sequence.
• Surface Mount Packaging: The device is packaged in a surface-mount format, specifically in a tape and reel (TR) configuration. This packaging type is ideal for automated assembly processes, ensuring high production efficiency and reliability.
• Moisture Sensitivity Level (MSL): The BD4938FVE-TR has an MSL rating of 1 (Unlimited), indicating that it is not sensitive to moisture and can be stored in a wide range of environmental conditions without the need for special handling.
• Compliance and Standards: The BD4938FVE-TR is REACH unaffected and ROHS3 compliant, ensuring that it meets the latest environmental and safety standards. This compliance is essential for manufacturers looking to adhere to global regulations and reduce the environmental impact of their products.
• Active Product Status: The BD4938FVE-TR is currently in active production, ensuring availability and long-term support for ongoing projects and future developments.

BD4938FVE-TR Applications

The BD4938FVE-TR is ideal for a variety of applications where reliable voltage monitoring is essential. Some specific use cases include:

• Power Management: In power management systems, the BD4938FVE-TR can be used to monitor the main power supply voltage, ensuring that it remains within safe operating limits. This helps in preventing system crashes and data loss due to sudden power fluctuations.
• Consumer Electronics: In devices such as smartphones, tablets, and laptops, the BD4938FVE-TR can monitor the battery voltage to ensure that the device remains operational until the battery is safely depleted. This helps in prolonging the device's lifespan and improving user experience.
• Industrial Control Systems: In industrial environments, the BD4938FVE-TR can be used to monitor the power supply of critical control systems, ensuring that they remain operational and stable. This is crucial for maintaining production efficiency and preventing costly downtime.
• Automotive Electronics: In automotive applications, the BD4938FVE-TR can monitor the battery voltage and other critical power supplies, ensuring that the vehicle's electronic systems remain functional and reliable.

Conclusion of BD4938FVE-TR

The BD4938FVE-TR from Rohm Semiconductor is a robust and reliable voltage detector IC, offering precise voltage monitoring with a threshold of 3.8V. Its surface-mount packaging and active-low reset output make it suitable for a wide range of applications, from consumer electronics to industrial control systems. The device's compliance with environmental standards and its active production status ensure that it is a future-proof solution for modern electronic designs. The BD4938FVE-TR stands out as a high-performance, reliable, and versatile option for voltage monitoring, making it an ideal choice for engineers and designers looking to enhance the stability and reliability of their power management systems.