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SY10EPT28LZG application field and working principle

SY10EPT28LZG is an integrated logic-level translator in the SY10E/PT28LZ/GV series, which provide a two-channel, low-voltage to high-voltage or high-voltage to low-voltage logic translation. Both-channel devices can shift logic levels from 1.65 V to 5.5 V. The device is designed for target-connectivity applications in low-voltage and high-voltage systems.

Application Field

The SY10EPT28LZG is mainly used for situations with multiple operating voltages, like in data transmission and port games. It is also suitable for serial communication applications between high-voltage systems (such as 3.3V or 5V) and low-voltage systems (such as 1.6V or 1.8V).

Working Principle

The working principle of the SY10EPT28LZG is simple: when the logic current level input to the device is higher than the input voltage threshold, the device will enable the output voltage level. In addition, the SY10EPT28LZG also has a hysteresis switch that allows the input voltage to be raised to drive the output voltage low, then for the input voltage to be adjusted to drive the output voltage high.

The SY10EPT28LZG has two key parameters controlling the conversion from low voltage to high voltage. Those are the enable threshold voltage and the logic current level. The enable threshold voltage of the device is the voltage over which the enable control input must be driven to enable the high-voltage outputs. The logic current level is a minimum current which needs to be applied to both enable inputs to enable the high-voltage outputs.

For translation from low voltage to high voltage, the enable threshold voltage and logic current level of the device must be adjusted according to different voltage levels.

Benefits

SY10EPT28LZG has several benefits. It is designed to improve noise immunity within the system, reducing the cycle time of slow speed data signals. The device also reduces power consumption and increases data rate for remote systems by increasing the power level of a low voltage device to interface with high voltage systems.

The SY10EPT28LZG also features Power-On-Reset to ensure a fixed low state during system start-up, allowing a clean start to your application.

Conclusion

In conclusion, SY10EPT28LZG is a versatile and reliable device that can interface between high voltage and low voltage systems. It is suitable for a wide range of applications and is capable of providing a fast, reliable and clean logic translation.

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