TC4428EMF

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The TC4428EMF is a monolithic bridge driver designed to drive either a single or a number of N-channel MOSFET devices. The device includes an on-chip PMOS power switch capable of switching several hundred volts and current greater than 1A. It has an adjustable overcurrent protection circuit which limits power dissipation in the case of overloads, enabling RS-485 communication lines as well as protected gate drive of DC/AC circuits. In addition, it has wide range of input logic level compatibility allowing it to be interfaced with logic controlled systems. The device can also be used in switched mode power supplies and motor controls.

The TC4428EMF employs advanced BiCMOS technology that provides outstanding performance in terms of the rise and fall times, control signal protection against latchup, and extended power supply range. The TC4428EMF is offered in two versions: the standard version allows for switching of loads up to 700 volts, while the extended version can switch up to 1000 voltage.

The TC4428EMF is a dual monolithic bridge driver which gives it several advantages over single monolithic drivers. Firstly, its dual configuration allows for higher currents to be switched by the bridge relative to a single monolithic gate driver. Secondly, the bridge can be used for automatic phase shifting to reduce electromagnetic interference (EMI) or for paralleled devices to improve system reliability. Furthermore, the TC4428EMF can be used in applications requiring high speed switching, such as in AC/DC inverters, motor control and DC servo motor control applications.

The TC4428EMF is protected against thermal runaway and enables a variety of protection features. The device has built-in undervoltage lockout (UVLO) input pins that monitor the power supply voltage and can be adjusted to the right levels. It also has adjustable overcurrent protection (OCP) and short-circuit protection that help protect against overloads, short circuits and overvoltage conditions. In addition, it has an adjustable switching frequency that can be set to the load requirement, allowing for the highest efficiency operation.

The TC4428EMF includes advanced circuits that prevent device latch-up. It also has an on-chip capacitor that assists in controlling EMI levels during operation. Furthermore, the device supports a wide range of logic supply voltages to interface with different logic-controlled systems or microcontrollers.

In conclusion, the TC4428EMF is an advanced monolithic bridge driver enhanced with BiCMOS technology. It features high speed, low leakage, and guaranteed performance over temperature. It is an ideal choice for applications that demand high-speed switching of either single or multiple N-channel MOSFET devices, such as in DC/AC inverters, motor control, switched mode power supplies, and DC servo motor control applications. It also offers overcurrent, thermal runaway and short circuit protection to ensure safe operation.

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