Maxim Integrated's MAX6708RKA+ Microprocessor Supervisory Circuit

The MAX6708RKA+ from Maxim Integrated is a highly reliable microprocessor (µP) supervisory circuit designed to maintain system integrity during power-up, operation, and power-down. This compact component is an essential addition to any microprocessor-based system, as it monitors power supply voltages to ensure that the µP and associated circuitry are reset properly during power-up, power-down, and brown-out conditions.

The MAX6708RKA+ operates over a wide voltage range and offers factory-trimmed reset threshold voltages suitable for a variety of applications. Its precision voltage monitoring capability ensures that the connected microprocessor is held in reset until the system voltage has stabilized, preventing any erratic operation due to low voltage conditions. Once the voltage exceeds the reset threshold, the reset signal is kept active for a minimum of 140ms (typical), providing ample time for the system to stabilize upon power-up.

One of the key features of this device is its low power consumption, making it an excellent choice for portable and battery-operated applications. The MAX6708RKA+ comes in a small, 8-pin SOT23 package, which is ideal for space-constrained applications. It also includes a manual reset input that allows for a system reset to be initiated with an external push-button or logic signal.

The MAX6708RKA+ offers multiple reset voltage options to cater to different system requirements, and it is characterized for operation over the full automotive temperature range of -40°C to +125°C. This robust operating range ensures that the device can perform reliably in harsh environments, making it suitable for automotive, industrial, and other demanding applications.

Overall, the MAX6708RKA+ from Maxim Integrated is a versatile and dependable solution for microprocessor system management. Its precision voltage monitoring, low power consumption, compact form factor, and robust operating temperature range make it an excellent choice for designers looking to enhance the reliability and performance of their electronic systems.