IXDD409SI

Logic Voltage - VIL, VIH:	0.8V, 3.5V
Base Part Number:	IXD*409
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	9A, 9A
Series:	--
Voltage - Supply:	4.5 V ~ 35 V
Gate Type:	IGBT, N-Channel, P-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	Low-Side
Part Status:	Obsolete
Packaging:	Tube

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The IXDD409SI is a monolithic part of the IXYS Intelligent Power Drivers (IPD) family. It is part of a series of gate drivers that provide and integrate power MOSFET and IGBT switches with main and auxiliary switches, as well as signal logic, in a single package. The IXDD409SI is a 4-channel Half-bridge gate driver that has the capability to operate at frequencies of up to 30MHz, making it suitable for use in high power applications that require rapid switching.

Overview

The IXDD409SI features up to four independent MOSFET drivers, with each channel having an adjustable supply voltage of up to 5.5V. Each channel can drive two pushpull output switches, one main switch and one auxiliary switch, at a maximum load of 10A. The logic functions of each channel are embedded in the device and allow for the easy control of MOSFET drivers, even with complex gates. An integrated bootstrap circuit is used to equip drivers to control MOSFETs with grounded sources, making them suitable for use in transformer-coupled switched-mode power supplies. The IXDD409SI also uses internal temperature shutdown to prevent over-temperature conditions.

Application Field

The IXDD409SI can be used in a wide range of applications that require high power switching. The device’s high frequencies make it suitable for use in switched-mode power supplies, DC-DC converters, and other power management systems that require rapid switching. The IXDD409SI’s high current and low voltage ratings also make it ideal for use in motor control and LED lighting applications.

Working Principle

The IXDD409SI’s logic functions are embedded in the device and allow for easy control of its MOSFET drivers. Each driver channel’s logic is designed to operate in either a push-pull or cascade configuration. In push-pull mode, each of the main and auxiliary switches can be controlled individually, while in cascade mode, the main and auxiliary switches are connected in series and are driven in opposite directions. The device also has a programmable dead time, which is used to prevent cross-conduction between the switches.The IXDD409SI also features a bootstrap circuit that allows the main switch to be continuously driven when the auxiliary switch is activated. The bootstrap circuit is essential for applications that require grounded sources, such as in transformer-coupled switched-mode power supplies. The device also has an integrated temperature shutdown feature, which is used to protect the device from over-temperature conditions.

Conclusion

The IXDD409SI is a 4-channel Half-bridge gate driver that is part of a series of gate drivers from IXYS Intelligent Power Drivers. The device can drive up to two push-pull output switches at frequencies of up to 30 MHz and is designed for high power applications that require rapid switching. It is suitable for use in a wide range of applications, including switched-mode power supplies, DC-DC converters, motor control, and LED lighting applications. Its embedded logic functions and integrated bootstrap circuit make it particularly suitable for use in applications that require grounded sources, such as transformer-coupled switched-mode power supplies.

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