MAX8552EUB+

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MAX8552EUB+ is a product of integrated power management integrated circuit (PMIC- Gate Driver) from Maxim Integrated. This PMIC- Gate Driver offers a wide range of capabilities designed to simplify the design process for many applications. For example, it facilitates the design of Low Voltage Differential Signaling (LVDS) switching, regulated power supply control, high side and low side gate drive, power factor correction, and bridge mode control.

The MAX8552EUB+ integrates a single-channel, low-side and high-side adjustable gate driver, configurable push-pull or single-ended PWM and linear outputs, and internal slew-rate control. The output stages can drive three-phase and four-phase brushless DC motor drivers as well as half- and full-bridge gate drivers. To help reduce board space and EMI, the MAX8552\'s high current toggle output drivers are suitable for half and full bridge gate drivers. Also, the MAX8552EUB+ includes an adjustable power-startup feature which reduces input supply inrush current.

The MAX8552EUB+ is designed for the challenges encountered in a variety of motor control applications, such as automotive electric power steering, automotive fuel pumps, MCU and motor drive combinations, motor amplifiers, motor drivers, power tools, etc.

When it comes to the details, the MAX8552EUB+ can operate at power supply voltages of 4.5V to 10V and comes with a slew-rate (SR) pin. The SR pin allows the output to be both low-side and high-side switchable, offering improved control for a wide range of applications. The SR pin also enables the MAX8552EUB+ to support variable voltage operation from ±1V up to ±12V. The output driver stages feature a configurable output current limit and adjustable over-current protection.

As for the circuit, the MAX8552EUB+ has a typical quiescent current of 250uA and can switch up to 40mA and 200mA for high-side and low-side switching, respectively. The driver also has a slew rate of 0.5V/ns and is able to maintain a deadtime of 25ns, making it suitable for providing high-speed switching in a variety of applications. It includes both frequency-scaling and dead-time control. The MAX8552EUB+ also features built-in shutdown and reset output protection functions to protect the system from unexpected startup events.

In conclusion, the MAX8552EUB+ is an effective PMIC-Gate Driver that can be put to use in a variety of applications. Its adjustable output current limit and adjustable over-current protection provide optimized power control while its adjustable slew-rate pin and multiple output modes offer improved control for a variety of motor control applications.

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