MAX4845EYT+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Overvoltage Protection Controller
Applications:	Cell Phones, Digital Cameras, Media Players
Mounting Type:	Surface Mount
Package / Case:	6-UFLGA
Supplier Device Package:	6-UTLGA (1.5x1.0)
Base Part Number:	MAX4845

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<h2>Specialized ICs</h2> <p>The MAX4845EYT+T IC is a globally operated analog gate driver IC. This IC operates with a wide supply voltage range of 5V to 48V and a low voltage of 1.8V. It easily accepts multiple logic level inputs of logic high and logic low in order to drive the gate of an IGBT. The IC has an output current up to 3.2A and a pulse-by-pulse current limit with an integrated temperature compensation.</p> <p>A wide range of applications can be found for the MAX4845EYT+T IC, from automotive and industrial driver circuits to high power switch power supplies and generator control systems applications. The IC also makes possible the control of high current, such as for motor control or for motor drive applications. The power control and motor systems are used in a wide range of products, including air conditioner and heating systems, pumps and fans, door openers and industrial machinery.</p> <h3>Working Principle and Construction</h3> <p>The MAX4845EYT+T IC\'s output stage is controlled by an internal voltage regulator circuit, which supplies an output current up to 3.2A. The voltage regulator control outputs are also connected to internal control logic circuits in order to adapt the device to the required current and voltage requirements. The output of the IC is protected from over current, under voltage and overvoltage, thermal and short-circuit conditions.</p> <p>The internal construction of the MAX4845EYT+T IC uses the H-bridge principle. This is a commonly used method to control a DC motor. The H-bridge is switched on and off using two switches connected in such a way that the current can always flow in one direction and then the other. This allows the motor to be driven without damaging the IC.</p> <p>The MAX4845EYT+T IC includes several features that are beneficial in its operation. Firstly, It features a wide supply voltage range of 5V to 48V and a low supply voltage of 1.8V, making it suitable for a wide range of applications. It also features an integrated temperature sensor and is constructed with MOSFETs, as opposed to BJTs, resulting in a more robust design.</p> <p>In addition, the MAX4845EYT+T IC includes a pulse-by-pulse current limit, allowing the device to turn itself off before it gets too hot. This feature helps to protect the device from damage due to overcurrent. The IC also includes a slew rate limiting feature, preventing circuit destruction in the event of sudden changes in power or overcurrent.</p> <h3>Conclusion</h3> <p>The MAX4845EYT+T IC is a globally operated analog gate driver IC that can be used for a wide range of applications. Its wide voltage range and low voltage, as well as its pulse-by-pulse current limit and integrated temperature sensor make it especially suitable for motor control applications. Its construction with MOSFETs, rather than BJTs, provides increased reliability.</p>

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