S-80853CNNB-B9ET2G

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Power management integrated circuit (PMIC) is a semiconductor device that is specifically designed for controlling and managing power in electronic equipment. Among all PMIC solutions, supervisors are essential for any embedded applications or devices designed to run on batteries. Supervisors provide battery scavenging and allow devices to run autonomously. The S-80853CNNB-B9ET2G is a supervisor from NXP semiconductors that offer high-accuracy voltage and temperature monitoring and control.

S-80853CNNB-B9ET2G Application Field

The S-80853CNNB-B9ET2G is a supervisor IC perfect for any enterprise-level and cost-sensitive battery powered applications like wireless terminals, medical equipment and handheld devices. This supervisor offers battery anti-napping, ready circuit, low supply current, window watchdog timer, voltage monitoring, over temperature protection and scalable monitoring levels.

The S-80853CNNB-B9ET2G is ideal for applications that requires accurate and reliable voltage monitoring, and that needs to support wide input voltage range (1.6V to 6.0V). It also supports range of power saving modes from sleep to deep-sleep, enabling devices to have long battery run times with low-power standby currents.

S-80853CNNB-B9ET2G Working Principle

The S-80853CNNB-B9ET2G integrates a comparator, voltage reference and voltage regulator to continuously monitor the main, level shifting and backup battery voltages. During power on, the supervisor generates the RESET signal at the correct power up and during power down the supervisor generates a reset pulse to the system microcontroller or microprocessor to assure safe shutdown.

In addition to the reset signal, the supervisor also can generate an interrupt signal that can be connected to the system controller. This interrupt signal can be used to indicate a voltage-related event, such as an over voltage, a low battery condition or a power on/off transition.

The S-80853CNNB-B9ET2G offers one Key pin that serves as interfaced between the battery and the supervisor IC. The Key pin supplies continuous information to system controller whether battery\'s key is closing or open. This is a unique feature that enables the supervisor to check the key status and manages any failure during battery exchange.

In Summary

The S-80853CNNB-B9ET2G from NXP semiconductors is a PMIC supervisor designed for enterprise-level and cost-sensitive battery-powered applications. It provides battery anti-napping, ready circuit, low supply current, window watchdog timer, voltage monitoring, over temperature protection and scalable monitoring levels. It also enables devices to have long battery run times with low-power standby currents.

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