IXS839AQ2T/R

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Power Management ICs, or PMICs, are integrated circuits providing the control of power circuitry and offer a wide range of features and functions. Gate Drivers are one of the most important subcategories of PMICs as they are responsible for controlling the switching of high power components.

A great example of a Gate Driver PMIC is IXYS\'s IXS839AQ2T/R, a high power half-bridge gate driver designed to drive large NChannel power MOSFETs and complementary power IGBTs in switching transformer converter and inverter power supply or motor drive applications.

This product is suitable in both isolated and non-isolated converter and inverter systems, including Snubber and ZVS converters. The IXS839AQ2T/R has a typical 0-8V output swing and is rated for 8A RMS drive current. It also provides a low on-resistance driver to reduce power dissipation and support a wide range of switching frequencies.

The IXS839AQ2T/R is equipped with a fault-protected dual-channel to protect the gate driver against short-circuit failures and an integrated high-side and low-side current sense in order to detect short-circuit and openload conditions. This design also features the ability to add a small load laterally to the upper and lower driver pins, thus enabling direct connection of the gate and source terminals of the power switches. Additionally, it also consists of two source diagnostic feedback pins and timer output.

The IXS839AQ2T/R incorporates a robust on-chip isolated flyback regulator circuit which guarantees a stable supply voltage for the top and bottom driver. This power supply circuit is immune to transients, provides very low output ripple and is capable of powering up to two IXS839AQ2T/R components (up to 4 FET’s) directly from the line voltage.

The IXS839AQ2T/R integrates a robust startup circuit. The integrated sensorless startup circuit eliminates the need for additional components such as a clamp between the power transistors. All internal circuits come with overvoltage protection and integrated analog amplifiers that allows the user to set the junction temperature threshold with 0.1%.

The IXS839AQ2T/R is also designed with over-temperature protection, over-voltage protection, under-voltage protection and a current limit feature. It comes with adjustable operating frequency and transient immunity. The operating temperature range is from -40°C to +125°C and the typical operating frequency is from 1000 to 6000kHz.

Overall, the IXS839AQ2T/R gate driver is a reliable and powerful device suitable for a wide range of applications. It is an excellent choice for high current power switching applications such as motor drives, power supplies, inverters and more.

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