PUP6504IG-UY

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PUP6504IG-UY is an integrated gate driver made by INVENSENSE semiconductor. It’s designed for PFC and PFC buck-boost applications and its main target is to improve the system reliability business. The device PUP6504IG-UY has many strong features. It can support up to four low side MOSFETs maximum. It has a high PFC efficiency, and it can be used even in high current and high switching frequency applications. Additionally, its voltage rating is up to 65V, and it can support PFC solutions with DC link voltage up to 660V.

The main application fields are digital power supplies, PFC pre-regulators, offline power converters, and AC-DC power supplies. The device works on a single rail 5V/3.3V and the 1A supply current supports up to 8 channels. This makes it suitable for higher switching frequency. Moreover, it is optimized for buck-boost applications, so it can cope with the impedance challenges in high voltage applications. In addition, the device includes a wide range of other features, like narrow pulse, current limitation, diagnostic and protection. Additionally, it implements predictive current limit to prevent damage from higher current conditions.

The working principle of the PUP6504IG-UY is based on the simplified gate drive signal. By splitting the gate drive signal, the load on the switching devices can be reduced. This is significant when driving higher gate voltages, and therefore the switching behavior is improved. The device also uses a variable gate drive voltage to provide higher gate current, which is especially important for higher switching frequencies. In addition, the device features a temperature sensing circuit to protect against over-temperature conditions.

The device also has a comprehensive set of protection features including over-voltage, under voltage, over current, and over temperature. All of these functions are designed to protect the power converter and other system components from damage due to unexpected conditions. The device also includes a diagnostic signal which provides an output representing the device’s status. This can be used in feedback loop control to ensure that the system is operating safely and reliably.

In conclusion, PUP6504IG-UY is an effective integrated gate driver with a wide range of features and protection. It is suitable for high current and high switching frequency applications and has a wide range of applications, such as digital power supplies, PFC pre-regulators, offline power converters, and AC-DC power supplies. It is based on a simplified gate drive signal to reduce load, and variable gate drive voltage to provide higher gate current, which is vital for higher switching frequencies. In addition, it includes protection features to protect the power converter and other system components from damage, as well as a diagnostic signal which provides an output representing the device’s status to ensure safe and reliable operation.

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