IX4426N

Series:	--
Packaging:	Tube
Part Status:	Active
Driven Configuration:	Low-Side
Channel Type:	Independent
Number of Drivers:	2
Gate Type:	N-Channel, P-Channel MOSFET
Voltage - Supply:	4.5 V ~ 30 V
Logic Voltage - VIL, VIH:	0.8V, 2.4V
Current - Peak Output (Source, Sink):	1.5A, 1.5A
Input Type:	Inverting
Rise / Fall Time (Typ):	10ns, 8ns
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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IX4426N Application Field and Working Principle

Power management integrated circuits (PMICs) are high-performance devices that are used to manage the power supply of different types of electronic products. The IX4426N is a power management integrated circuit (PMIC) specifically in the category of gate drivers. It is used for driving high-side and low-side power switches of up to 2A peak current. It can work with or without an external charge pump, and its wide input voltage range of 4.5V to 80V enables it to be used for different applications.

The IX4426N is mainly used in power-on reset (POR) and over-current protection (OCP) applications. In particular, it can be used in automotive engine control systems, automotive body electrical systems, and auxiliary power systems. Its integrated OR-ing capability allows it to be used in paralleled (redundant) and non-paralleled current paths. It also has built-in overtemperature protection and undervoltage lockout (UVLO) capability. Moreover, its high-side power switch is protected against transistor short-circuit failure, which ensures its reliability in harsh temperature environments.

The working principle of the IX4426N is based on its N-channel, low-side and high-side power switches. These switches operate by pulling the gate of the power switch to ground and shrinking the on-resistance of the switch. The low-side power switch is triggered by the gate voltage being applied externally or internally using the integrated charge pump. The high-side power switch is triggered by the gate voltage being applied externally or internally using the IC’s integrated charge pump.

The IX4426N is a power management IC that offers great performance and reliability. Its wide input voltage range and integrated charge pumps make it ideal for applications that require high currents and power switching. Its built-in fault protection ensures reliable operation under harsh environmental conditions. The integrated OR-ing capability also makes it suitable for various applications, such as power-on reset and over-current protection.

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