IXH611S1

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The IXH611S1 is a gate driver integrated circuit designed for wide voltage range power switching applications. It is a unit integrating three channels of high side and low side drivers, which have been optimized for the demanding conditions of industrial, automotive, and off-line switched-mode power supply (SMPS) applications. The IHX611S1 features integrated fault protection and a wide operating voltage range of 4.5 – 16 V, making it suitable for a range of applications across multiple industries.

The device integrates PMOS and NMOS transistors, as well as diodes, to allow for an efficient driver solution. The device provides two different levels of current for each high side and low side output with a maximum operating current of 1 A. The output drivers are protected against transients, over-voltage, and overload. The channel input logic has an asymmetric logic input that can ensure a valid logic level when the voltage is below 1.4 V. The low-side driver has an enable pin for individual control of each channel output.

The IXH611S1 has a wide operating temperature range of -40°C to 125°C, making it suitable for automotive, industrial and off-line SMPS applications. Additionally, the device features an integrated low-dropout (LDO) regulator and a built-in current limit. The LDO provides a regulated voltage to the device, which reduces power dissipation in the power MOS Gate Driver. The built-in current limit circuit provides a constant peak-current to the output MOSFETs.

The device’s integrated fault protection features include open load protection, low-side over-voltage protection, and open-load protection for the high-side MOSFETs. The IXH611S1 also has a thermal shutdown feature which will turn off the output drivers if the junction temperature of the device exceeds a certain threshold. In addition, the device includes protection against short circuits, overtemperature and over-voltage operations.

In summary, the IXH611S1 gate driver integrated circuit is an ideal device for robust, power switching applications including industrial, automotive, and off-line SMPS. The device can provide protection against transient and overload conditions, as well as integrated fault protection for low-side and high-side MOSFETs. In addition, the integrated LDO and current limit circuit ensure lower power dissipation and more efficient operation. The wide operating temperature range, low voltage start-up, and extended fault protection make the IXH611S1 a reliable choice for switching applications.

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