S-80848CNMC-B89T2G

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PMIC supervisors are integrated circuits dedicated to monitoring power-supply voltages and system control signals. They play a critical role in safeguarding the normal operation of integrated systems by detecting failures caused by over/under voltage, power outages, or forced resets due to external events. The S-80848CNMC-B89T2G is a high-quality power supervisor featuring two independent circuits and two enable inputs, providing reliable protection to voltage signals and ensuring product reliability.

The S-80848CNMC-B89T2G supports low voltage, high voltage, and low dropout protection for the protection of electronic products. It also has a power supply monitor standby of 0.4V with dual-step response. This lets the user accurately monitor the supply voltage and drive interference-free output signals for an extended period of time, even in the event of voltage drops.

The S-80848CNMC-B89T2G features selectable active-low (L) and active-high (H) output setting, aiming to reduce assembly and debugging time. Its two independent inputs can be used simultaneously to measure two distinctive power supplies, enabling them to be used in a wide range of applications. Furthermore, when the power supply falls below the right threshold, the S-80848CNMC-B89T2G will produce reset signals, which can be used to restore the device to its original state, helping maintain normal system operation.

In terms of its working principle, the S-80848CNMC-B89T2G is a voltage-sensitive comparator that detects the voltage level of the supply powers and produces reset signals according to it. The power supply voltage is compared with the predetermined voltage threshold, and voltages above or below the range will trigger the reset signal. It utilizes a voltage reference, an amplifier, and a comparator to detect the power supply and produce reset signals, so it’s important to select the right power supply when using the S-80848CNMC-B89T2G.

The S-80848CNMC-B89T2G is mainly applied in digital TV and set-top boxes, automotive electronics, industrial computers, remote monitoring systems, and other industrial, military and medical applications. It can offer high-reliability power monitoring and system protection to these products, so as to reduce development time and cost, avoiding system malfunctions and ensuring product reliability.

In conclusion, the S-80848CNMC-B89T2G is a versatile, high-reliability power monitor and supervisor, which can maintain normal system operation over a wide range of input voltage conditions. It can be widely used in a variety of power supply systems with its fast response reset signal and selectable active-low or high output setting. Also, its low voltage dropout protection guarantees reliable system operation and fast response. Making it a great choice for keeping digital systems up and running.

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