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BU4338FVE-TR

BU4338FVE-TR Description

The BU4338FVE-TR is a single-channel supervisory IC designed by ROHM Semiconductor, a leading manufacturer in the power management integrated circuit (PMIC) category. This IC is specifically engineered to monitor a single voltage and provide reliable reset functionality. It is housed in a surface-mount package, making it suitable for compact and high-density PCB designs. The BU4338FVE-TR features an adjustable reset timeout, allowing for flexibility in various applications. It operates with a voltage threshold of 3.8V, ensuring precise monitoring of power supply levels.

BU4338FVE-TR Features

• Adjustable Reset Timeout: The BU4338FVE-TR offers an adjustable reset timeout feature, providing flexibility to configure the reset duration according to specific system requirements. This adaptability is crucial for applications where precise control over reset timing is necessary.
• Single Voltage Monitoring: Designed to monitor a single voltage level, the BU4338FVE-TR ensures accurate and efficient power supply supervision. This feature is particularly useful in systems where a single critical power rail needs to be monitored.
• Surface Mount Technology: The BU4338FVE-TR is available in a surface-mount package, which is ideal for modern PCB designs that require compact and space-efficient components. This packaging option also facilitates automated assembly processes, reducing manufacturing costs and improving production efficiency.
• Active Low Reset Output: The reset output of the BU4338FVE-TR is active low, which is a common requirement in many digital systems. This configuration ensures compatibility with a wide range of microcontrollers and other digital devices.
• Moisture Sensitivity Level (MSL) 1: With an MSL rating of 1, the BU4338FVE-TR is classified as unlimited, meaning it can be exposed to ambient conditions without the need for special handling or storage precautions. This makes it highly practical for various manufacturing environments.
• Compliance and Standards: The BU4338FVE-TR is REACH unaffected and ROHS3 compliant, ensuring it meets the stringent environmental and safety standards required by the electronics industry. Additionally, it is classified under ECCN EAR99 and HTSUS 8542.39.0001, facilitating smooth international trade and regulatory compliance.

BU4338FVE-TR Applications

The BU4338FVE-TR is well-suited for a variety of applications where reliable power supply monitoring and reset functionality are essential. Some specific use cases include:

• Embedded Systems: In embedded systems, such as IoT devices and industrial control units, the BU4338FVE-TR can monitor the main power supply to ensure stable operation and trigger a reset if the voltage falls below the threshold.
• Consumer Electronics: For consumer electronics like smartphones, tablets, and home appliances, the BU4338FVE-TR can provide critical power monitoring to prevent system crashes and ensure safe operation.
• Automotive Electronics: In automotive applications, the BU4338FVE-TR can monitor the power supply of critical systems such as engine control units (ECUs) and infotainment systems, ensuring reliable performance and safety.
• Telecommunications: In telecommunications equipment, the BU4338FVE-TR can monitor power supplies for base stations, routers, and switches, providing robust protection against power anomalies.

Conclusion of BU4338FVE-TR

The BU4338FVE-TR is a versatile and reliable supervisory IC that offers precise voltage monitoring and adjustable reset timeout features. Its surface-mount package and active low reset output make it suitable for a wide range of applications in the electronics industry. Despite being marked as obsolete, the BU4338FVE-TR remains a valuable component for legacy systems and applications where its specific features are required. Its compliance with environmental and safety standards ensures it meets the regulatory requirements of modern electronics manufacturing.