S-80854CLNB-B7FT2G

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PMIC - Supervisors - S-80854CLNB-B7FT2G application field and working principle

The S-80854CLNB-B7FT2G series of Programmable Supervisors, is produced by ON Semiconductor and is the latest addition to their NB-Family of products. It is a low power supervisor and reset IC that is designed to protect systems from power supply and voltage glitches. It offers several additional features such as a watchdog timer, system reset delay, and a power-on reset. As with ON Semiconductor\'s other products, this series is designed to reduce the need for external circuitry, saving both space and power.

Like other supervisors, the S-80854CLNB-B7FT2G is designed to monitor the power supply and detect power failures, voltage glitches and other issues. It is pre-programmed to ensure that the system shuts down in the event of an unexpected power failure. This supervisor is also designed to detect and shut down the system if voltage levels drop too low. In addition, it can be programmed to issue an interrupt if a voltage threshold is exceeded.

The S-80854CLNB-B7FT2G is primarily designed for applications in which the supply voltage is expected to fluctuate or vary. Typical applications include digital audio and video devices, microprocessor systems, industrial control systems, embedded network control systems, servers and other computer systems, as well as automotive control systems. It is also suitable for other applications where constant and reliable power is required.

The S-80854CLNB-B7FT2G typically operates with no load current draw. It has an average current consumption of less than 14µA and is capable of operating between -40°C to +125°C without derating. It is also designed to be self-triggered when an abnormal power supply voltage is sensed. By using the watchdog timer, the supervisor can detect an abnormal power supply voltage or a system reset. The supervisor can then trigger a reset or a system restart.

The S-80854CLNB-B7FT2G includes an on-chip prescaler, a timer and a system reset logic. By connecting to a pull-up resistor, the on-chip prescaler creates a watchdog timer. The supervisor then monitors the system reset logic to determine if a system reset is required. The watchdog timer can be set from 3ms to 128ms and the supervisor can be programmed to delay a system reset from 0ms to 4s.

The S-80854CLNB-B7FT2G features low power operation and is designed to be used in low voltage applications, where fast reaction times are important. It is a very cost-effective solution for providing reliable, low power protection against power supply and voltage glitches. It can be used in a wide range of applications and its flexible reset timing makes it suitable for many different applications.

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