EL7457CLZ-T13

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Integrated power management ICs (PMICs) are devices used in systems for regulating power inputs and outputs, usually in relation to battery-powered devices. PMICs provide the system with essential protection and monitoring features such as: protection for short circuits and overvoltages, standby current when the system is in idle and tracking of important power performance parameters such as voltage and current. PMICs contain multiple gate drivers which are used to control the gate of a power FET to switch the device on or off.

One of these, the EL7457CLZ-T13, is a dual Gate Driver PMIC specifically designed for use in powering battery-powered applications such as cell phones, tablets and portable media players. It features a number of integrated components including a power MOSFET driver, a sense amplifier and a low-voltage battery protect switch. The dual output design is capable of controlling two power FETs each with up to 4A peak current, providing high efficiency and long system battery life.

The EL7457CLZ-T13 gate driver has a number of application fields, due to its high performance and wide operating temperature range. It can be used in automotive, power management, portable and industrial applications. It can also be used in white goods and other AC/DC power systems, such as monitoring and control applications. Due to its dual output design, it can be used in a variety of applications where two power FETs are required, such as power supply sequencing and power security systems.

The working principle of the EL7457CLZ-T13 is based on its dual output design. The power MOSFET driver is designed to deliver controlled current to the gate of both power FETs. When energized, the power MOSFET driver will switch the power FETs on or off, depending on the polarity of the input. The sense amplifier continually monitors the voltage of the power FETs, allowing for improved control of the gate. The low-voltage battery protect switch constantly monitors the battery voltage, and will disconnect the power FETs in order to protect them from being damaged in the event of an over or under voltage situation.

In addition, the EL7457CLZ-T13 is capable of providing protection against short circuit, thermal shutdown, and over-current conditions. The integrated protective functions are designed to keep the system safe, and can be modified to suit individual needs. The device also operates over a wide temperature range of -40C to +125C, providing increased reliability in extreme temperatures.

Overall, the EL7457CLZ-T13 is an integrated dual gate driver PMIC that offers a range of features and functions to support the control and regulation of power FETs. Its application fields are wide, and the wide temperature range makes it suitable for use in a variety of environments. The device is designed for high performance and features integrated protective functions to ensure the safety of the system.

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