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BU46K382G-TL

BU46K382G-TL Description

The BU46K382G-TL is a voltage detector IC designed for power management applications, manufactured by ROHM Semiconductor. This single-channel supervisor IC is housed in a 3SSOP package and is specifically designed to monitor voltage levels, ensuring reliable system operation. The device features a voltage threshold of 3.8V and offers a reset timeout of at least 120ms, providing robust protection against voltage fluctuations. The BU46K382G-TL is available in a surface-mount package, making it suitable for compact and high-density PCB designs. It is categorized under Power Management (PMIC) and is part of the BU46Kxxx series.

BU46K382G-TL Features

• Voltage Monitoring: The BU46K382G-TL is designed to monitor a single voltage channel, ensuring that the system operates within specified voltage thresholds. The voltage threshold is set at 3.8V, providing precise monitoring capabilities.
• Reset Functionality: The device features an active-low reset function, which is triggered when the monitored voltage drops below the threshold. This ensures that the system can be safely reset in case of voltage anomalies.
• Reset Timeout: The reset timeout is specified as a minimum of 120ms, allowing sufficient time for the system to stabilize before the reset is released.
• Surface-Mount Packaging: The BU46K382G-TL is available in a surface-mount package, which is ideal for modern, compact PCB designs. The 3SSOP package ensures ease of integration and high reliability.
• Compliance and Standards: The device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards. It also carries an ECCN classification of EAR99, indicating compliance with export regulations.
• Moisture Sensitivity: The BU46K382G-TL has a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure period before assembly, which is suitable for various manufacturing environments.

BU46K382G-TL Applications

The BU46K382G-TL is ideal for a range of applications where reliable voltage monitoring and system protection are critical. Some specific use cases include:

• Consumer Electronics: In devices such as smartphones, tablets, and laptops, the BU46K382G-TL can ensure stable power supply and prevent system crashes due to voltage fluctuations.
• Industrial Equipment: For industrial control systems and automation equipment, the device provides reliable voltage monitoring to protect against power surges and brownouts.
• Automotive Systems: In automotive applications, the BU46K382G-TL can monitor the battery voltage, ensuring that critical systems remain operational and safe.
• Medical Devices: For medical equipment, the voltage detector ensures that life-critical systems operate within safe voltage levels, enhancing reliability and patient safety.

Conclusion of BU46K382G-TL

The BU46K382G-TL is a robust and reliable voltage detector IC from ROHM Semiconductor, offering precise voltage monitoring and reset functionality. Its compact surface-mount package and compliance with environmental and safety standards make it suitable for a wide range of applications. While the product is now obsolete, it remains a testament to ROHM's commitment to high-quality power management solutions. For new designs, engineers may consider exploring alternative models within the BU46Kxxx series or other advanced voltage detectors that offer enhanced features and performance.