MCP1662T-E/MNY

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The MCP1662T-E/MNY is one of many great PMIC - LED Drivers on the market. While it has a wide variety of applications, its main purpose is as a voltage regulator for LEDs and other illumination devices. In this article, we will take a look at the MCP1662T-E/MNY’s application field and its working principle.

Application Field

The MCP1662T-E/MNY is specifically designed for LED and illumination applications. The regulator uses nano-amp input current and operates from an input voltage range of 0V to 11.4V. The output voltage range is adjustable from 0V to 1.5V with a maximum output current of 20mA. It also features an efficient buck/boost transformer architecture with <1% output voltage accuracy.

The MCP1662T-E/MNY is suitable for a wide range of applications. It can be used to power discrete LEDs, surface mounted devices, reflow assemblies, and light guides. It is also a great choice for illuminating small electronic displays, such as LCDs and segmented LEDs. It is suitable for high-brightness LEDs in both indoor and outdoor applications, from decorative lighting to signs and billboards.

The MCP1662T-E/MNY’s low power consumption and efficiency makes it an ideal choice for wearable applications. Its low quiescent current (0.2μA typical at no load) makes it a great choice for ultra-low power applications, like hearing aids, remote controls, and medical instruments.

Working Principle

The MCP1662T-E/MNY is a buck/boost regulator, meaning that it can step down or step up the input voltage before regulating it. It uses a combination of two MOSFETs – a boost MOSFET and a buck MOSFET – to regulate the output voltage. A differential amplifier senses the voltage drop over the two MOSFETs and adjusts the output voltage accordingly.

To adjust the output voltage, the MCP1662T-E/MNY uses a constant frequency PFM (pulse frequency modulation) control method to switch between the boost and buck modes. This allows for precise control of the output voltage over the entire input voltage range. The regulator also includes built-in thermal protection and short-circuit protection to protect the device in the event of an overload or short circuit.

The MCP1662T-E/MNY is a highly efficient voltage regulator, with up to 95% efficiency under light load conditions. This means that it is able to convert more power without wasting energy as heat, making it a great choice for applications where low power consumption and efficiency are important.

Conclusion

The MCP1662T-E/MNY is an ideal regulator for LED and illumination applications. It has a wide input voltage range and can output a consistent voltage over the entire range, making it suitable for both indoor and outdoor applications. The high efficiency and low power consumption make it a great choice for ultra-low power applications. With its high-performance and comprehensive protection features, the MCP1662T-E/MNY is a great choice for any illumination application.

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