MAX1922ETB+

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Power distribution switches, load drivers, and other power management integrated circuits (PMICs) provide essential functions in power control applications. The MAX1922ETB+ is a monolithic CMOS integrated circuit (IC) that provides several high-performance, power control-related features.

The MAX1922ETB+ PMIC operates logic signals in two mainline H-bridge power switches with integrated power MOSFETs and two loads drivers. It is available in a tiny 10-pin µMAX package, making it very space-efficient. It can handle an input voltage of 10 V to 50 V and deliver an output current of 2 A. It also contains a high-current driver, making it ideal for a wide range of load-driving applications.

The MAX1922ETB+ is a powerful and efficient solution for driving two low-voltage loads in DC/DC converter applications. It is designed to provide high efficiency and low power dissipation in half-bridge, full-bridge, and three-phase configurations. It features integrated power MOSFETs to reduce system cost and size. In addition, its integrated drivers provide high current and low dissipation, resulting in high efficiency in the drive circuit.

The MAX1922ETB+ power switches support logic level and PWM signals, including the LV TTL logic family. It also provides two sub-bridges to protect the main power MOSFET switches from overload conditions, such as short-circuit. The sub-bridge FETs are also used in current sensing applications to eliminate the need for a separate current sense amplifier IC.

The MAX1922ETB+ has several integrated protection features to ensure safe operation. These include adjustable over-voltage protection, undervoltage lockout, thermal protection, and peak current limit. The current-limiting feature provides sufficient safety for loads up to 4 A. It also includes a programmable digital open-drain output for monitoring current or output voltage.

The MAX1922ETB+ provides high-performance features in a small, space-saving package. It is ideal for use in DC/DC converters and automotive, industrial, battery-powered, and home appliance applications. Its combination of two mainline H-bridge power switches, two low-voltage logic-controlled load drivers, and several protection and monitoring features provide robust and reliable power control in a wide variety of applications.

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