Maxim Integrated MAX6316LUK29BX/V+T Microprocessor Supervisory Circuit

The MAX6316LUK29BX/V+T is a highly reliable microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. Manufactured by Maxim Integrated, a leader in analog and mixed-signal products, this device provides excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring 2.9V power supplies.

This supervisory circuit is specifically engineered to maintain system integrity by monitoring the power supply voltage. In the event of a power failure or if the voltage drops below a preset threshold, the MAX6316LUK29BX/V+T asserts a reset signal to prevent the µP from executing erroneous instructions. This reset signal remains asserted until the power supply voltage stabilizes above the threshold, ensuring the system has a proper startup each time.

Key features of the MAX6316LUK29BX/V+T include:

• Factory-trimmed V<sub>CC reset threshold suitable for monitoring a 2.9V power supply.
• Low supply current of 1.2µA (typical), which is ideal for portable battery-operated applications.
• Guaranteed reset valid to V<sub>CC = 1V, ensuring reliable operation during low voltage conditions.
• 140ms min power-on reset delay (td), providing ample time for the system to stabilize during power-up.
• No external components required, reducing design complexity and saving board space.
• Immune to short V<sub>CC transients, ensuring stability against power glitches.

The MAX6316LUK29BX/V+T comes in a compact SOT-23 package, making it an excellent choice for space-constrained applications. It is also available in a variety of pre-programmed reset threshold voltages to cater to specific system requirements. The device's temperature range of -40°C to +85°C allows for operation in a wide range of environmental conditions, making it suitable for various industrial and consumer applications.

Whether you are designing microprocessor-based systems, embedded systems, or any application requiring a reliable power supply monitoring solution, the MAX6316LUK29BX/V+T from Maxim Integrated is a robust choice that offers a blend of performance, reliability, and ease of integration.