MN13812-Q

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PMIC - Supervisors are devices that provide voltage regulation, power-on-reset (POR) capability and enhanced system reliability by monitoring the various power supplies within an electronic system. The MN13812-Q is a POR supervisor used to provide reset functions and power sequencing for a wide range of systems and applications. It is an ideal choice for those seeking a cost-effective and reliable power management solution.

This device is designed with a user-programmable reset timeout and a manual reset input. The flexible delay timing range is from 90 ms to 6.5 s. It also provides under-voltage (UV) monitoring and an active low output for POR generation. The MN13812-Q also has an active low reset output (RESETB) with a built-in reset timeout. Upon power up, the reset output is asserted until the device is out of reset and VCC is stable. The user programmable reset time-out prevents the reset output from continuously toggling during power-up, and the manual reset input allows the user to test and reset the system manually.

The MN13812-Q uses an advanced technology called the mirrored voltage (MV) monitoring technique. This technique monitors the input voltage, VCC, through an internal 1:1 mirrored voltage. When the VCC voltage drops about 7% below the typical UV threshold of 2.4V, the device enters into UV condition and pulls the reset output low. This ensures that the system enters into a safe power-down state in such cases.

The MN13812-Q also has a wide operating temperature range from –40°C to 85°C and a low quiescent current of typically 2μA. This provides system designers with a wide range of choices for a power-managed system. The device also features few external components, making it easier to integrate and cost effective.

In summary, the MN13812-Q offers enhanced system reliability and cost-effective power management solutions in a variety of applications. It is an ideal choice for those seeking an ultra-low-power, small size, and wide temperature range solution. It provides an efficient solution to monitoring and resetting the system in case of under-voltage scenarios and helps protect the system from potential damage.

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