EL7457CU-T7

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EL7457CU-T7 is an advanced Power Management Integrated Circuit (PMIC) Gate Driver developed by Texas Instruments. It is a high-side, two-channel integrated gate driver with programmable over-current protection, adjustable under voltage lockout, adjustable switch timing and adjustable dead time generation. The device features an integrated charge pump, logic control block and regulated supply voltage up to 20V.

The main function of the EL7457CU-T7 is to enable high current drive for power MOSFETs and IGBTs. It has superior protection features to protect against over-current and short-circuit conditions. It is designed for use in a variety of applications, including Inverters, Uninterruptible Power Supplies (UPS), Motor Drives, Converters, Photovoltaic systems, Smart Grid, Industrial Automation and Renewable Energy. Besides of motor drives, the integrated gate driver can be used in chargers, welding, solar, LED lighting and other applications.

The primary application fields of EL7457CU-T7 gate driver are motor drives, inverters, and converters. In motor drives and inverters, the EL7457CU-T7 is used to enable high current drive to the power MOSFETs and IGBTs. It provides accurate and reliable control of the motor switching, while at the same time protecting the power stage against over-current and short-circuit conditions. In addition, it also features a wide range of features to simplify the design, improve system efficiency, and reduce cost.

The working principle of EL7457CU-T7 is based on power management integration. It integrates multiple power stages and other components for effective device control and protection. The integrated charge pump provides a regulated high voltage supply, up to 20V, for the gate drivers. The integrated logic control block is used to interface with the system logic, to control the output state of the drivers, and to provide adjustable dead time for accurate current flow. The regulator then provides a clean and regulated supply voltage for the drivers.

The EL7457CU-T7 integrates a variety of protection features to protect the device and the system against faults and over-current conditions. It has adjustable over-current protection and adjustable under-voltage lockout. It also features adjustable switch timing and adjustable dead time generation to ensure accurate switching and current flow. It also has thermal shutdown and reverse voltage protection to protect against higher voltage conditions.

In summary, the EL7457CU-T7 is an advanced PMIC gate driver that provides high current drive for power MOSFETs and IGBTs. It is designed for use in a variety of applications, including Inverters, Uninterruptible Power Supplies (UPS), Motor Drives, and Converters. The main features of the device include integration, adjustable over current protection, adjustable under voltage lockout, adjustable switch timing, adjustable dead time generation, and reverse voltage protection.

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