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BD49K42G-TL

BD49K42G-TL Description

The BD49K42G-TL is a single-channel voltage detector designed by Rohm Semiconductor, a leading manufacturer in the electronics industry. This IC supervisor is part of the BD49Kxx series and is housed in a 3SSOP package, making it suitable for surface mount applications. The device is designed to monitor a single voltage level with a threshold set at 4.2V, ensuring reliable performance in various electronic systems. The BD49K42G-TL features an active-low reset function, which is essential for maintaining system stability during power fluctuations or brownout conditions.

BD49K42G-TL Features

• Voltage Monitoring: The BD49K42G-TL is specifically designed to monitor a single voltage level, ensuring that the system remains stable and functional within the specified threshold of 4.2V.
• Active-Low Reset: This feature allows the device to maintain system stability by resetting the system when the monitored voltage falls below the threshold, preventing potential damage or malfunctions.
• Surface Mount Compatibility: The BD49K42G-TL is designed for surface mount applications, making it ideal for modern PCB designs that require compact and efficient components.
• Moisture Sensitivity Level (MSL) 3: The device is rated for a moisture sensitivity level of 3 (168 hours), ensuring reliability and durability in various environmental conditions.
• Compliance and Standards: The BD49K42G-TL is REACH unaffected and ROHS3 compliant, meeting the stringent environmental and safety standards required by the electronics industry.
• Packaging: The device is available in a Tape & Reel (TR) package, facilitating efficient handling and assembly processes in manufacturing environments.

BD49K42G-TL Applications

The BD49K42G-TL is ideal for a wide range of applications where reliable voltage monitoring and system stability are critical. Some specific use cases include:

• Power Management Systems: In power supplies and power management circuits, the BD49K42G-TL ensures that the system remains stable and functional by monitoring the input voltage and triggering a reset if the voltage falls below the threshold.
• Embedded Systems: In embedded systems such as microcontrollers and microprocessors, the BD49K42G-TL can be used to monitor the power supply voltage, preventing system crashes or data corruption during power fluctuations.
• Consumer Electronics: In consumer electronics like smartphones, tablets, and laptops, the BD49K42G-TL can be used to monitor the battery voltage, ensuring that the device remains operational and stable during low battery conditions.
• Industrial Control Systems: In industrial control systems, the BD49K42G-TL can be used to monitor the power supply voltage of critical components, ensuring reliable operation and preventing system failures.

Conclusion of BD49K42G-TL

The BD49K42G-TL is a robust and reliable voltage detector that offers essential features for voltage monitoring and system stability. Its compact design, surface mount compatibility, and active-low reset function make it an ideal choice for a wide range of applications. While the product is marked as obsolete, it remains a valuable component for existing systems and legacy designs. The BD49K42G-TL's compliance with industry standards and its moisture sensitivity rating further enhance its reliability and durability. For systems requiring a single-channel voltage detector with a 4.2V threshold, the BD49K42G-TL is a dependable and efficient solution.