X4643S8-2.7AT1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.92V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO
Base Part Number:	X4643

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X4643S8-2.7AT1 Application Field and Working Principle

PMIC (Power Management Integrated Circuit)–Supervisors are used as circuit protection devices to detect faults in the system or power supply and initiate corrective action. The X4643S8-2.7AT1 Supervisory is a power management device that monitors conditions such as voltage, temperature, and current. It delivers over-voltage, over-current, and over-temperature protection by disconnecting power in response to faults.The X4643S8-2.7AT1 Supervisor has a wide range of applications, such as in automotive and embedded systems, as well as other safety-critical applications. This supervisor is also well-suited to harsh environments where failure is not an option, such as in medical and military systems.The X4643S8-2.7AT1 Supervisory offers three different levels of circuit protection: over-voltage (OVP) protection, over-current protection (OCP) protection, and over-temperature (OT) protection. In addition, it also provides open-drain outputs for fault reporting.The X4643S8-2.7AT1 Supervisor works by monitoring the power supply and sensing abnormal conditions that could lead to a system malfunction. If any of these abnormal conditions are detected, the supervisor will shut off the power or disconnect the circuit.The OVP protection monitors the voltage level and, when a certain voltage level is detected, the supervisor will disconnect the power supply or the circuit. The OCP protection monitors the current level and, when a certain current level is detected, the supervisor will shut off the power or disconnect the circuit. Finally, the OT protection monitors the temperature and, when a certain temperature is exceeded, the supervisor will disconnect the power or the circuit.The X4643S8-2.7AT1 Supervisor also features an open-drain output that provides a fault indication when a fault is detected. This allows the user to monitor the status of the power management system.In addition, this supervisor provides self-testing and self-protection functions. The self-testing functions ensure that the supervisor is operating in a safe working state, while the self-protection functions protect against inadvertent surges and spikes in the power supply.The X4643S8-2.7AT1 Supervisor is a low-power solution that uses a low quiescent current to ensure the system is always running at peak efficiency. It is designed for use in a variety of applications, including automotive and embedded systems.The X4643S8-2.7AT1 Supervisor is a reliable and efficient device that can detect and protect against power supply faults. It provides over-voltage, over-current, and over-temperature protection and features an open-drain output for fault reporting. This supervisor is ideal for use in a variety of safety-critical applications, and it is low-power and highly efficient, making it perfect for use in automotive and embedded systems.

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