NCP305LSQ18T1G

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NCP305LSQ18T1G is a supervisor/reset ICs (integrated circuits) for embedded systems developed by ON Semiconductor. It responds to system level power supply glitches, brownouts, and power-on reset events, by providing a reset pulse which can be used to initiate the system’s reset sequence. This IC has the capability to act as a reset monitor and watchdog timer and reset after an intentional reset command is received. NCP305LSQ18T1G is designed to be used in embedded systems, such as connected sensors, controllers, radio nodes, and embedded systems – such as smartphones, tablets, embedded systems in industrial or automotive applications, or any other system with reset capabilities.

Application Field of NCP305LSQ18T1G

NCP305LSQ18T1G is a versatile IC which has numerous applications, including controlling e.g. a power key, reset switch, trigger circuit, or surge protection ideal for use in embedded applications. This IC is designed to provide power and reset control solutions in a range of products, such as those used in automotive, industrial and consumer electronics applications, where reliable and stable power is paramount. It can also be used to provide high impedance reset commands, or to output an assertion timing window compatible with multiple power supply systems, meaning that it is ideal for use in devices which use multiple power supplies or have multiple power states. Additionally, the NCP305LSQ18T1G can provide improved system reliability and safety through its power control features.

Working Principle

NCP305LSQ18T1G is a voltage monitoring IC which monitors various system power supply conditions. The IC continuously tracks the voltage and passes the information to its analog test pins, enabling the host processor to evaluate the power supply conditions. This IC is also used in watchdogs and systems that alert the host processor when certain events occur. When operating as a watchdog, the input signal should first be enabled before being enabled for two consecutive internal cycles. The output reset command can be configured based on the number of cycles being monitored, and the same signal can be used to generate a reset assertion time window.When the IC is used as a reset monitor, it is usually configured to monitor the voltage levels during startup after power stiction problems and during subsequent normal operation. The monitoring voltage levels should be set within the specified parameters and in accordance with the required reset thresholds. The NCP305LSQ18T1G also has a pin which can be configured to delay the reset command. This feature is useful in order to increase the reset time margin or to de-glitch the signal in noisy environments.

Conclusion

In conclusion, NCP305LSQ18T1G is an extremely versatile IC that can be used in many types of embedded systems. This IC is designed to respond to system level power disturbances and provide a reset signal to initiate the reset sequence. It can be used as a watchdog or reset monitor, and also has a delay pin to de-glitch noisy signals or increase the reset time margin. NCP305LSQ18T1G is ideal for use in embedded applications and provides improved system reliability and safety when handling multiple power supplies, states, and power stiction problems.

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