A supervisory circuit is an electronic circuit used to monitor one or more system parameters (such as power supplies and microprocessors). These parameters must be kept within a specific range, and appropriate measures will be taken when the parameters exceed the range, resulting in an unacceptable or dangerous situation.

Supervisory circuits are known by various names, including battery monitors, power supply monitors, supply supervisory circuits, and reset circuits.

The supervisory circuit can be used in many different applications, but there are two primary functions that a supervisor provides:

1. During the power up sequence, the device holds a microcontroller in reset until the system power has come up to the correct level and stabilized (the POR function)。

2. reset the controller immediately if the power drops below a nominal value either at power down or during a 'brown-out' condition. 

Some supervisor devices also provide things like low battery warning, watchdog timer, and other more elaborate functions beyond this application note's scope.

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Dustin Park 2021/7/1 20:13:42
Q:Can you assist in apw8 power supply repair? Delivered 120v instead of 220v
Needs repairs - short circuits now
A:Dear Sir/Madam, please follow our FAQ and contact us after sale service for support. thank you.
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Lukas 2021/5/26 20:18:31
Q:Hellou, we are looking for PSU T17+ machine. Is there available. We need less than MQQ is possible to shill less units?
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.
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rene perez 2021/5/20 11:09:42
Q:im interested in setting up a repair shop in margarita island in venezuela, i used to be a miner myself a while ago but life happened, now im trying to get myself back into the game at least as a repair tech, what would you consider a small but considerable investment towards my goal? of course id love to also stablish a line of commerce with you since you provide replacement chips and equipment which im highly interested in (most mining asics here are s9 and newer versions of antminers)
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.
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لیلا 2021/5/14 13:49:41
Q:آی سی دما در s9و t1 دقیقا کدوم هشبرده؟
A:Уважаемый господин / госпожа, пожалуйста, ознакомьтесь с нашими часто задаваемыми вопросами или свяжитесь с нами через приложение Whats, чтобы получить предпродажное обслуживание. Спасибо.
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