S-80854CNPF-B9FTFG

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The S-80854CNPF-B9FTFG PMIC or Power Management IC is a general purpose supervisory IC (Integrated Circuit) used commonly in most battery-powered digital systems. This particular model is specifically designed to extend the operating battery life of digital systems by providing a reliable and accurate voltage control of power supplies.

The S-80854CNPF-B9FTFG is designed to control multiple power rails, including the power supply in portable devices, such as digital cameras, cell phones, and other handheld devices. It is a CMOS-based supervisory IC that provides voltage detect and watchdog functions. It has an adjustable voltage threshold, a watchdog timeout, and a reset output that provides user-programmable reset delay.

The S-80854CNPF-B9FTFG is typically used to monitor the main power supply rail of a system and monitor the system for low or lost power conditions. The circuit is also used to prevent unexpected supply voltage drops, control the power-on of subsystems, and trigger actions in the event of a supply voltage drop or system failure. This is achieved by using the adjustable trip threshold to detect the supply voltage, and then to set the reset time.

The working principle of the S-80854CNPF-B9FTFG is simple. First, it monitors the supply voltage, and then it sets the reset time based on the adjustable trip threshold. If the voltage falls below the trip threshold, the circuit will delay the reset signal for the adjustable reset time. This delay prevents system resets due to short term voltages drops, and ensures a power down of the system in the event of a prolonged drop in the supply voltage.

The S-80854CNPF-B9FTFG supports a wide-input voltage range of 2.3V to 6.5V, as well as a wide-temperature range -40°C to +125°C. It is also designed with a low start-up current (<15uA) and low shutdown current (<100nA). This makes it ideal for battery-powered applications, especially those requiring low-power operation.

The S-80854CNPF-B9FTFG is an ideal component for systems that require a reliable and accurate voltage control. It is suitable for a wide range of applications, including portable electronic devices such as digital cameras, cell phones and other handheld devices. These devices require an efficient power management system to protect their components from sudden voltage drops and to ensure system stability, which the S- 80854CNPF-B9FTFG provides.

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