X40414S8-CT1 Integrated Circuits (ICs)

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X40414S8-CT1 is a product of extended temperature range supervisor with two comparators and preset reset thresholds. It combines low voltage and -40°C to 125°C ultra-extended temperature operation in small 3 mm × 3 mm DFN-8 and SOT-23-5 packages. For improved packing efficiency, X40414S8-CT1 is pin compatible with the conventional X40414S8 supervisor. This product also can save system cost by eliminating external components and overcoming the requirements of unique board implementations.

X40414S8-CT1 has wide range of applications in industrial and automotive application markets which need high performance and fault detection for the supervisor applications. This device is suitable for many types of monitoring applications, such as reset, watchdog, and priority handling. Additionally, it has been proven for circuit protection devices in power supplies, battery backed-up systems, personal digital assistant (PDA), and industrial controllers.

The working principle of X40414S8-CT1 is that it is used as a voltage supervisory circuit. It provides a reset pulse when the system voltage is lower than the preset threshold. It then activates an interrupt or reset system when an input line is greater than the preset threshold. It can also be used as a watchdog timer, where fixed intervals are used to reset the system or generate an interrupt. Incoming signals are also monitored, and error thresholds can be set and changed to alert the system of a malfunction.

X40414S8-CT1 has four primary components: a differential amplifier, a P-FET, a reset circuit and a comparator. The differential amplifier converts the voltage on the input line to an amplified voltage. The amplified voltage is compared to a reference voltage (R) which is applied to the reset circuit. When the differential amplifier output is greater than the reference voltage, an output pulse is generated, generally referred to as a reset, interrupt, or watchdog demonstration. If the voltage remains below the reference voltage, the input is accepted and the system is allowed to continue running.

The P-FET in X40414S8-CT1 is used for providing a very low voltage reset threshold and is powered by an internal charge pump. This charge pump is designed to start up immediately so the P-FET has enough power to reset or disable the system. The reset circuit can also be used as a watchdog timer, where it will reset the system if it reaches a predefined timer value. The comparator is used to detect the fault signals. When the comparator detects an input that exceeds the preset threshold, it will send an output to reset or alert the system.

Overall, X40414S8-CT1 is an extended temperature range supervisor with two comparators and preset reset thresholds. It is suitable for a wide range of industrial and automotive applications, such as reset, watchdog and priority handling. It has four primary components, including a differential amplifier, a P-FET, a reset circuit, and a comparator. The low voltage and temperature operating feature of this product makes it the perfect solution for providing the protection systems need.

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