TCA9517DGKRQ1

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TCA9517DGKRQ1 Application Field and Working Principle

TCA9517DGKRQ1 is a logic translator, level shifter and signal conditioning device with a wide range of applications. This device is comprised of four independent signal level translation channels able to perform a wide variety of interface conversions. The signal conditioning capabilities include signal averaging, narrowing of high pulse-width signal widths, signal level translation between input and output levels, and they can also work as signal buffers. The TCA9517DGKRQ1 device amplifies signals or provides a signal-level shift and also converts different logic levels to whatever logic level is being used.

Features

The TCA9517DGKRQ1 logic translator, level shifter and signal conditioning device has a wide range of features, which include:

• Four independent signal level translation channels in one package,
• Signal averaging,
• Input/output level conversion,
• Signal narrowing,
• On-chip resistors for voltage control, and
• High performance I/O voltage levels (1.8 V and 3.3V).

Applications

The TCA9517DGKRQ1 is mainly used in the fields of automotive, consumer and industrial applications. It supports various communication interface protocol such as I2C, UART, and SPI. It is an ideal choice for significant for use in embedded systems connecting two different power domains and for shield level shifting. Additionally, the device can also be used for driving loads, controlling low-power signals, and operating line drivers, microcontrollers, and other logic devices in applications where there is a need for a level shifter.

Working Principle

The TCA9517DGKRQ1 logic translator and level shift device works on the principle of translating the input level of one system to the output level of the other system. It contains four independent level shift (I/O) channels which are connected to the inputs and outputs. Each time an input is changed, the output is changed accordingly. The device also has a level shifting feature which is enabled when the logic level on the input side and the logic level on the output side are different. It then thresholds the logic levels and converts the logic level on the input side to the logic level on the output side.

The device also performs signal conditioning functions such as signal averaging, narrowing of pulse widths and providing a signal-level shift. Lastly, it can work to drive loads, control low power signals and to operate line drivers and other logic devices.

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