MP18021HN-LF-Z Integrated Circuits (ICs)

Logic Voltage - VIL, VIH:	1V, 2.4V
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 140°C (TJ)
Rise / Fall Time (Typ):	12ns, 9ns
High Side Voltage - Max (Bootstrap):	100V
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	2.5A, 2.5A
Series:	--
Voltage - Supply:	9 V ~ 16 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to PMIC – Gate DriversA PMIC – Gate Driver is a device used to control and regulate the way in which a switch or other control device is activated. Gate drivers control the charging and discharging of gate sources in order to switch on and off the desired device. They are used in many areas of electronics, ranging from communication systems to power control and automotive industry. In addition, gate drivers also provide intelligent drives for driving long lines.Overview of MP18021HN-LF-Z Gate DriverThe MP18021HN-LF-Z from Micronas is a high-current, high-speed, high-voltage gate driver integrated circuit. The IC is designed to control and optimize the drive current of both the high- and low-side FETs in full- and half-bridge configurations. It is ideal for application such as server DC/DC converters, point-of-load regulators, telecom/datacom DC/DC converters and variable frequency drives.This device is optimized for use in a wide range of power handling and switch speed requirement. It operates over input voltage of 4V ~ 12V, and its peak output current is 6A. Its high switching frequency of 10MHz makes it suitable for operating buck or boost converters with high efficiency and minimum measure of losses at high speeds. The IC also features micro power operation, high-slew rate drive capability and fault protection. The built-in thermal protection monitor keeps the power switch temperature under control.The main features of the MP18021HN-LF-Z are:• High-side power MOS-FET driver with 8A peak current• Low-side power MOS-FET driver with 12A peak current • 4-to-12V supply range• High-speed switching: up to 10MHz frequency• Low quiescent current: 14mA• Thermal protection monitorApplication Fields and Working Principle of MP18021HN-LF-ZThe MP18021HN-LF-Z is a highly integrated and cost-effective gate driver IC suitable for a variety of applications. It is ideally suited for driving power MOSFETs and IGBTs used for power management in a variety of electronic applications. These include DC/DC converters, AC/DC converters, motor drives and relay drivers in communication systems, consumer electronics and automotive industry.The MP18021HN-LF-Z works on the principle of switching speed control in order to drive transistors for power control in electronic systems. When the gate voltage reaches a threshold, the current is switched from the gate source to the drain source, activating the transistor and providing power to the desired device. The device works to convert the low-level input voltage signals to high-current, high-voltage signals, which are then passed through the MOSFETs, enabling them to switch on and off the power supplied to the device.The device can control both the high- and low-side MOSFETS to optimize the drive current and switch speeds in order to achieve maximum efficiency. Its low quiescent current offers further efficiency, while its temperature monitor provides an added level of protection and safety. Additionally, its high-slew rate drive capability and fault protection offers increased reliability and performance when operating with higher power devices.ConclusionThe MP18021HN-LF-Z from Micronas is a high-current, high-speed, high-voltage gate driver integrated circuit. It is designed to control the operation of power MOSFETs and IGBTs in both full- and half-bridge configurations. The device is optimized for use in a wide range of power handling and switch speed requirements and is ideal for applications like server DC/DC converters, point-of-load regulators, and telecom/datacom DC/DC converters, among others. It works on the principle of controlling the gate voltage to switch on and off the desired device and can achieve high efficiency in systems with high-switching frequencies. The built-in thermal protection and fault protection makes the MP18021HN-LF-Z an ideal solution for efficient and reliable operation of power management systems.

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