S-80949CNPF-G9KTFU

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Power management integrated circuit (PMIC) supervisors is designed to control over the supply voltage in systems where the power regulations are Complex. These ICs are generally used either to alert when power supply has exceeded or dropped below certain safety limits, or to recover from fault or damage due to sudden power breakdown and help in initial power-up of the system. Specifically, the S-80949CNPF-G9KTFU is commonly used in a wide range of applications, including consumer electronics, automotive, telecommunications, industrial and embedded applications.

The main function of the S-80949CNPF-G9KTFU is to provide power supply warning signals and reset signals to the user device. It works by monitoring three different input supply voltages to keep track of their power levels compared to set target voltage levels. Additionally, this supervisor IC features adjustable reset and reset timing, active-high and active-low reset outputs, power-on reset circuitry, and voltage and current monitoring. Furthermore, it is fabricated using the advanced CMOS process.

In terms of operation, the S-80949CNPF-G9KTFU uses a multi-stage reset generator circuit to initiate and monitor system reset, complemented by a time-base circuit that provides reset timing and system reset output, with adjustable preset time window. This supervisor IC supports multiple power management modes, including battery-fault, soft-start, sleep, and system reset modes. The reset generator circuit is designed to detect the input supply voltage and initiate reset after detecting any power supply failure. The output of this supervisor IC is active-low or active-high, depending on the type of system reset required.

In terms of electrical performance, the S-80949CNPF-G9KTFU features a supply voltage range from 2.0 to 5.5V, a reset voltage threshold in the range of 0.8V-4.4V, and a maximum reset debounce time of 200ms. It also features an operating temperature range from -40°C to 85°C. The S-80949CNPF-G9KTFU is suitable for a wide range of automotive, industrial, and IoT applications.

In conclusion, the S-80949CNPF-G9KTFU is an advanced PMIC supervisor IC which is ideal for applications where power regulations are complex and require frequent resetting. This device can help in maintaining reliable system operation while offering effective overload protection and protection against short circuits. It can also detect faults and initiate reset as necessary. Moreover, it offers multiple user-selectable supply voltage tracking modes, adjustable reset and reset timing, active-high and active-low outputs, power-on reset circuitry, and voltage and current monitoring capabilities.

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