APX809-44SRG-7

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Power Management Integrated Circuit (PMIC) is a complex set of technologies that helps adjust and regulate power supply to an electronic device. Supervisors are dedicated ICs that monitor the status of a microcontroller (MCU), provide reset and power supervision, and have the capability to detect processor failures. APX809-44SRG-7 is one such PMIC - supervisor.

APX809-44SRG-7 is an integrated supervisor and power supply sequencer that provides system reset, power-on reset (POR), power-off reset (SPOR), and power sequencing control for multi-rail power systems. It is designed to be used with devices such as microprocessors, DSPs, FPGAs, ASICs, memory, and peripherals based on a wide variety of voltage and voltage configurations.

The APX809-44SRG-7 monitors two separate voltages and provides reset in two ways. The first is a thermal or soft reset trigger that is activated when the voltage rises above or below the specified range. This is triggered when the IC is detecting some sort of thermal event, such as an overheating component, or an internal defect in the power supply. The second is a manual reset trigger that can be used to manually reset the part in order to keep it in a known operating state.

The APX809-44SRG-7 has several protection features that protect the device and its attached peripherals in the event of a power failure. During power supply events, the device can detect and respond to undervoltage, overvoltage, and brownout conditions, as well as power supply sequencing. The undervoltage protects the device and its peripherals by shutting off the power supply before the voltage falls below the safe point. Similarly, the overvoltage protection prevents the connected devices from being damaged due to excessive power supply voltage. The brownout protection prevents inconsistencies due to sudden voltage droops, while the power supply sequence control ensures the transmission of power in the proper order.

The APX809-44SRG-7 is designed for use in single and multi-rail system designs, allowing each of the multiple voltage rails to be held in synchronization or control independently. Additionally, the device can be used to delay the powering up or powering down of a specific rail when desired. These features allow for a seamless integration into most types of power supplies.

APX809-44SRG-7 is ideal for applications that require a high level of protection, as well as controlled voltage and power supply sequencing, such as digital cameras, automotive, medical devices, industrial controllers, communications equipment, and embedded computers. In these and other applications, this PMIC - supervisor is a reliable and cost-efficient way to provide system-level protection.

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