UCC5639FQP

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Interface signals have many different aspects to consider when selecting a terminator. One of the most important considerations is the selection of the correct type for the application. The UCC5639FQP is a low-power, 9-to-12 V single-ended ESD and EMI protection Device ideal for portable applications. It is designed to protect against disturbances on bus lines and other interfaces typically used in either low-voltage systems or in high-voltage systems with dedicated buffer devices.

The UCC5639FQP terminator is rated for up to 15 kV ESD protection on the dedicated pins and as a low-voltage type, it also provides good immunity against EMI. It is capable of handling up to +/- 4V of differential common mode voltage and has a maximum operating temperature of -55°C to 125°C. The device features 2 ESD protection pins and 3 EMI protection pins. The two ESD pins are the preferred method of ESD protection and can provide peak operation currents of up to 10 A.

The UCC5639FQP also features a built-in, low-power debounce feature that allows for accurate, noise-resistant detection of logic transitions. This is particularly important in low-voltage applications, as it ensures a stable, noise-free logic transition. The device also features an enable pin that can be used to enable or disable the device.

The UCC5639FQP is ideal for applications such as contactless smart cards, portable applications, and other low-voltage, low-power systems. The low-voltage design provides excellent ESD, EMI, and high-current handling capabilities, making it an ideal choice for a wide range of applications. The debounce feature also makes it a great choice for applications where logic stability and noise immunity are important.

In summary, the UCC5639FQP is an excellent choice for low-voltage, low-power applications, such as contactless smart cards and portable devices. Its low-voltage design provides excellent ESD and EMI protection, and its built-in debounce feature provides stable and noise-free logic transitions. Its enable pin allows the device to be powered down when not in use, which is useful in battery-powered applications.

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