MAX1978ETM+T

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MAX1978ETM+T is an advanced monolithic integrated circuit (IC) designed to supply power to a range of applications, especially those that require multiple supply rails. This modern Power Management IC (PMIC) is specifically designed to minimize board space and increase system efficiency while simplifying the power management sub-system with a specially designed power management unit (PMU). The MAX1978ETM+T is well-suited for use in a broad range of consumer and industrial applications, as it offers integrated fault protection and superior system performance.

Overview of MAX1978ETM+T

The MAX1978ETM+T is the first PMIC in the industry to offer a dual-phase architecture. This greatly improves the efficiency and flexibility of the PMIC, making it an ideal choice for applications requiring dual-rails or multiple power outputs. With this architecture, the device can be configured to supply one or two output rails, and features integrated fault protection for added safety. Additionally, the PMIC is designed to support a wide range of input voltages, from 2.3V to 7V.

Applications of MAX1978ETM+T

The MAX1978ETM+T is suited for a variety of consumer, industrial and medical applications, including smart phones and tablets, laptop computers, industrial automation, military, and medical equipment. It is an ideal choice for applications that require high efficiency and flexible output configurations, such as dual supply rails.

Advantages of MAX1978ETM+T

The MAX1978ETM+T is an advanced PMIC with several benefits. It provides superior system performance, with switchable output current regulation, output short-circuit protection, adjustable output voltage and input voltage range. The device also offers high efficiency with up to 95% conversion efficiency at a 4.2V input and outputs of up to 0.9V.

Additionally, the MAX1978ETM+T is designed to save board space, with a 12-pin footprint and 0.75mm maximum device height. It is also an easy-to-use device, with integrated fault protection, adjustable output voltage and input voltage range, and support for worldwide safety standards.

Working Principle of MAX1978ETM+T

The MAX1978ETM+T is a two-stage design PMIC using a synchronous buck regulator and a linear regulator. The synchronous buck regulator circuit converts a higher voltage input to a lower voltage output. The linear regulator then supplies the lower voltage output with its output voltage. The PMIC features a step-down regulator with a switching frequency of 1MHz and a low ON resistance of 180mΩ, ensuring high efficiency and fast transient response. The device also features an adjustable output voltage range from 0.9V to 7V and support for a wide input voltage range from 2.3V to 7V.

The PMIC includes a number of integrated fault protection features, including short-circuit protection, over-temperature protection, and over-current protection. It also accompanies integrated adaptive temperature protection and soft-start to minimize inrush current. Additionally, the device is compliant with several safety standards, including the IEC60601-1 medical and EN55022 emissions standards.

Conclusion

The MAX1978ETM+T is an advanced PMIC that provides superior system performance and high efficiency. Its dual-phase architecture and integrated fault protection features make it well suited for applications requiring multiple power outputs. Additionally, its small size and integrated features make it easy to use and saves board space. Its wide range of input and output voltages, as well as its support for worldwide safety standards, make it a great choice for a variety of consumer and industrial applications.

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