MAX17600ASA+T

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Power management integrated circuits (PMICs) play a vital role in many electronic applications. They provide both flexibility and power by delivering power to electronic components such as LEDs and sensors. The MAX17600ASA+T belongs to this range of PMICs and is specifically designed to ensure fast, safe and efficient switching of discrete MOSFETs based power stages. This application note explores the MAX17600ASA+T in further detail.

The MAX17600ASA+T is a monolithic gate driver developed by Maxim Integrated. It incorporates a half-bridge control logic circuit, a protected high- and low-side FET driver, low-on-resistance power MOSFETs, and an integrated charge pump in a very small package. It is designed to minimize transient voltage spikes and provide superior power accuracy and efficiency in various applications such as DC/DC converters and motor control. Furthermore, the module contains built-in ESD and overtemperature protection for reliable operation.

The MAX17600ASA+T is a dual-channel device, featuring a high-side driver and low-side driver on both channels. It provides pulse density modulation (PDM) capability with on-the-fly PWM switching when connected to an external microcontroller. To ensure accurate, safe and efficient control of the power MOSFETs, the MAX17600ASA+T utilizes integrated over-voltage, over-current, thermal shutdown and high-speed gate drive protection circuits. It also includes a comparator circuit to monitor the MOSFET voltage when in power down mode, to prevent over-voltage conditions.

The MAX17600ASA+T is ideal for applications that require power switching with high accuracy, safety and efficiency. Its small size and comprehensive protection circuitry make it suitable for a variety of high power, high temperature and rugged applications. For example, the MAX17600ASA+T can be used in DC/DC converters, industrial drives, motor controllers, automotive systems, and other applications where precise, low-fault MOSFET control is needed.

The MAX17600ASA+T integrates an internal charge pump, current sense amplifier and gate driver with a wide input voltage range of 4.5V to 18V. It offers adjustable gate drive up to 18V and a bipolar fault status output (FBS) for feedback to the controller. The FBS feature allows the device to indicate a fault condition to the microcontroller, ensuring that the microcontroller can accurately detect and respond to any fault conditions in a timely manner. The MAX17600ASA+T also provides adjustable over-current and thermal protection thresholds.

The MAX17600ASA+T is designed to be easy to use and provides a wide range of features to meet the user’s needs. With its wide range of features, the MAX17600ASA+T makes an ideal solution for applications requiring efficient and reliable MOSFET switching with high accuracy and safety. It also offers protection against over-voltage, over-current and thermal conditions, further adding value to the system.

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