IXS839S1

Current - Peak Output (Source, Sink):	2A, 4A
Base Part Number:	IXS839
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	20ns, 15ns
High Side Voltage - Max (Bootstrap):	24V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2V
Voltage - Supply:	4.5 V ~ 5.5 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tube

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IXS839S1 Application Field and Working Principle

Introduction

The IXS839S1 is a low-cost Mobile Power Management Unit (PMU) Gate Driver integrated circuit (IC) developed by IXYS Company. It integrates a high-efficiency DC-DC converter, PMU, buck controller and gate driver in a single compact package. The IXS839S1 offers a flexible power management solution ideal for applications including industrial equipment, medical equipment, personal computers, smart phones, and battery management systems.The IXS839S1 is designed to manage multiple power inputs and outputs, allowing for a high performance and reliable power solution for a broad range of applications. The central feature of the IXS839S1 is its high-efficiency DC-DC converter, which is configured for advanced current and voltage features such as analog current and voltage control, power-on surge prevention, soft start, and advanced pair-mode support. Additionally, the IXS839S1 features an integrated Buck Switching PMU, with an adjustable switching frequency up to 1MHz and a low quiescent current, allowing for optimized power management in low power battery-powered applications. The gate driver further improves the overall performance of the IXS839S1, providing increased efficiency and reliability.

IXS839S1 Application Field

The IXS839S1 gate driver can be used in a variety of power management applications. It is ideal for mobile, computing and embedded systems where high efficiency and reliable operations are required. The IXS839S1 offers a broad range of benefits for these applications, including:

• High efficiency and wide switching frequency range (1MHz)
• Small form factor
• Integrated PMU
• Integrated Buck Switching
• Advanced current and voltage control
• Soft start and power-on surge prevention
• Pair-mode support
• Thermal management

The IXS839S1 can be used in a wide range of applications such as industrial equipment, medical equipment, personal computers, smart phones and battery management systems. Its small form factor and compact package make it ideal for use in situations where space is limited or board area is at a premium. It is also suitable for use in applications where high power density is important, such as chemical and gas sector production, defense and aerospace systems, robotics, and military/aerospace power systems.

IXS839S1 Working Principle

The IXS839S1 works by controlling the switching between two power sources, the power source connected to the DC-DC converter and the power source connected to the PMU. The PMU uses a buck converter topology to switch the input voltage between the two power sources. The buck converter is used to step down the input voltage when needed and increase it when more power is needed.The converter is controlled by a pair of gate drivers, which act as a switching control interface between the PMU and the power source. The gate drivers control the power supply voltage and current, allowing a high-efficiency and reliable power solution. The IXS839S1 also utilizes paired-mode support and analog current and voltage control, allowing for further optimization of the power supply operation.In addition to providing DC-DC conversion and PMU operation, the IXS839S1 also features an integrated gate driver, enabling it to control multiple outputs. The gate driver ensures quick switching of the power supply between the different power sources, allowing for improved efficiency and reliable operations. Additionally, the IXS839S1 includes a soft start capability and power-on surge prevention feature, providing additional protection and improved performance.

Conclusion

The IXS839S1 gate driver from IXYS Company is a low-cost, yet powerful Mobile Power Management Unit (PMU) integrated circuit (IC). It integrates a high-efficiency DC-DC converter, PMU, buck controller and gate driver in a single compact package, providing a flexible power management solution for a broad range of applications. The IXS839S1 features a wide range of features, including high efficiency, integrated PMU and Buck Switching, analog current and voltage control, power-on surge prevention, and pair-mode support, making it an ideal solution for a variety of power management applications.

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