MAX6397 (6)

The MAX6397 series is available from Analog Devices at Xecor. Designed for overvoltage protection and voltage supervision, the MAX6397 offers wide supply voltage range (5.5V to 72V), adjustable overvoltage threshold, and thermal-shutdown protection. Available in 8-TDFN (3x3) packages, it is ideal for industrial applications, notebook computers, and wall cube power devices. Whether used in FireWire® systems or high-voltage transient environments, this series ensures reliable performance, low power consumption, and enhanced safety for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX6397 series below.

Part Number Description Package Inventory Add To Bom
MAX6397SATA+ Rigorously designed to safeguard against voltage surges up to V, this controller ensures reliable system operation TDFN-8 9,200
MAX6397LATA+T Supervisory Circuits Overvoltage Protection Switch/Limiter Controllers Operate Up to 72V WDFN-8 6,051
MAX6397SATA+T Supervisory Circuits Overvoltage Protection Switch/Limiter Controllers Operate Up to 72V WDFN-8 7,452
MAX6397TATA+T This product is designed for Monitors & Reset Circuits TDFN EP-8 5,443
MAX6397TATA+ Processor Supervisor 1.215V 1 Open Drain 8-Pin TDFN EP Tube TDFN EP-8 4,106
MAX6397LATA+ This product ensures reliable operation by monitoring voltage levels and activating protection mechanisms when necessary TDFN-8 5,405

Key Featrues

Wide Supply Voltage Range (5.5V to 72V): This feature allows the device to operate across a broad range of input voltages, making it highly versatile for various industrial and consumer applications. It ensures reliable performance in environments with fluctuating or high-voltage conditions, enhancing system robustness and adaptability.
Overvoltage Protection with External MOSFET Sizing: The device enables users to select and size external n-channel MOSFETs, providing flexibility in designing overvoltage protection circuits tailored to specific power requirements. This customization improves efficiency and ensures optimal performance in diverse use cases.
Internal Charge-Pump Circuit: The integrated charge-pump ensures proper gate-to-source voltage enhancement for external MOSFETs, resulting in low RDS(ON) performance. This reduces power losses and improves overall system efficiency, particularly in high-current applications.
Adjustable Overvoltage Threshold: The adjustable overvoltage threshold allows precise control over the protection level, enabling the device to be fine-tuned for specific application needs. This feature enhances system safety and reliability by preventing damage from voltage spikes or transients.
Thermal-Shutdown Protection: The built-in thermal-shutdown feature safeguards the device and connected components from overheating, ensuring long-term reliability and preventing failure in high-temperature environments. This is particularly beneficial in industrial and automotive applications where thermal stress is common.

Applications

Industrial Overvoltage Protection: The MAX6397/MAX6398 is ideal for protecting industrial equipment from high-voltage transients. Its ability to disconnect or limit output during overvoltage conditions ensures reliable operation in harsh environments, such as factory automation systems or motor control applications, where voltage spikes are common.
Notebook Computer Power Management: The MAX6397/MAX6398 is well-suited for notebook computers, where it can safeguard sensitive components from overvoltage conditions caused by faulty adapters or power surges. Its small footprint and wide supply voltage range make it an excellent choice for compact, portable devices requiring robust power protection.
Wall Cube Power Device Protection: The MAX6397/MAX6398 is perfect for wall cube power adapters, providing overvoltage protection to ensure safe and stable power delivery to connected devices. Its adjustable overvoltage threshold and thermal-shutdown protection make it ideal for consumer electronics power supplies, preventing damage from voltage spikes or overheating.
FireWire® Interface Protection: The MAX6397/MAX6398 is an excellent solution for protecting FireWire® interfaces from overvoltage conditions. Its ability to disconnect or limit output during overvoltage events ensures the integrity of data transmission and protects connected devices, making it suitable for high-speed data transfer applications in multimedia and computing environments.