MAX16932ATIR/V+

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MAX16932ATIR/V+ Application Field and Working Principle

As a member of the Power Management Integrated Circuits (PMICs) Voltage Regulator DC DC Switching Controllers family, the MAX16932ATIR/V+ is a highly integrated switch controller driven by a DC link voltage, enabling power conversion efficiency and providing fast transient response. It is used in many applications such as AC-DC, DC-DC converters, telecom, industrial and computing systems.

The MAX16932ATIR/V+ integrates many functions into a single monolithic integrated circuit. It consists of two power stages, a power stage switching controller, over/under voltage protection, over current protection and external resistor voltage reference.

Application Fields

The MAX16932ATIR/V+ is designed primarily for applications such as AC-DC and DC-DC converters where the load requires a high step up or high step down in output voltage. It is usually used in applications requiring one or two power stages to provide a high step up or high step down regulation.

Its output voltage range can be adjusted from 1.0 V to 0.1 V, making it applicable to many typical applications such as synchronous boost applications with non-isolated power converters. It is also heavily used in regulated and non-regulated telecom applications.

Working Principle

The MAX16932ATIR/V+ is a synchronous buck-boost controller with integrated dual-channel High- and Low-Side power MOSFET drivers, both operating in the same direction. It can operate in a boost, buck or in-between buck-boost mode, depending on the required output voltage.

The MAX16932ATIR/V+ senses the current flowing through the load using a precision current-sense amplifier. This current is then compared to a programmable reference voltage, adaptive dead-time control is used to minimize switching losses.

The MAX16932ATIR/V+ provides protection functions such as over-voltage protection (OVP), under-voltage protection (UVP), and over-current protection (OCP). To provide enhanced reliability and prevent damage at high temperature operation, the device includes thermal shut-down protection.

Conclusion

The MAX16932ATIR/V+ is an advanced controller that can be used in a variety of applications, being most suitable for high-step up or high step-down applications such as AC-DC and DC-DC converters. It integrates many functions into a single monolithic IC, such as a power stage switching controller, over/under voltage protection, over current protection and external resistor voltage reference.

The device features an adjustable output voltage range of 1.0 V to 0.1 V, making it applicable to many common applications. It is also equipped with protection functions such as OVP, UVP and OCP for enhanced reliability and to prevent damage at high-temperature operation.The device also includes thermal shut-down protection.

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