X5168S8-2.7T1

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The X5168S8-2.7T1 is a voltage/current supervisor integrated circuit that can provide a wide range of low voltage and high current output capabilities. It is widely used in application fields such as digital power, computer switching power supply, industrial control, and battery management systems. Its working principle is based on monitoring and detecting input data, and providing supply voltage and current protection when needed.

Features

X5168S8-2.7T1 has two overvoltage of 5.25V/7.5V, two overcurrent of 1.65A/2.7A, and a power off control output. It can also provide a zero-cross detection output. In addition, this chip has a wide range of operation temperature of -45~125C and a wide range of operation voltage from 6V~32V. Another notable feature is that it has a low input current of only 2uA.

Internal structure and working principle

The chip has an internal structure of PFM control logic, voltage/current threshold circuit, power off control logic, zero cross detection logic and so on. These integrated circuit functions together as a complete system. At the input stage,the chip firstly monitors the input data and outputs a preparation voltage. With the preparation voltage, it then detects the input voltage and current parameters. If the voltage or current exceed the preset overvoltage or overcurrent threshold, it will immediately initiate the protect operation and its output will shut off the power supply.

Additionally, the X5168S8-2.7T1 chip also includes a zero cross detection logic. The chip will detect when the AC momentary current reach zero. The resulting zero cross control output will disconnect the power output for a duration to avoid passing the current through parasitic capacitance or EEPROM data destruction.

Applications

X5168S8-2.7T1 can be used for most types of digital power supplies and industrial control systems, providing overvoltage, overcurrent, AC current zero cross detection and power off control functions, thus improving the power supply stability and reliability. Also, it can be widely used in electronic audios, gaming systems, communication, car, digital cameras, LCD displays, cellphones and other power supplies, providing protection to the connected devices.

Conclusion

The X5168S8-2.7T1 is an integrated voltage and overcurrent supervisor with excellent application versatility. It provides accurate input voltage and current parameters monitor and detection function, with low current consumption and wide range of operation temperature and voltage. Its application fields include digital power supply, computer switching power supply, industrial control and battery management, along with other digital devices, making it a powerful and reliable component of any system.

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