TNY375DN

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PMIC - AC DC Converters, Offline Switchers are electrical power supplies. They are used to convert electrical power from one form of energy to another or from one voltage or current level to another. A few examples include converters from AC to DC, DC to AC, from low voltage to high voltage, or from high voltage to low voltage. One of the most commonly used offline switchers is the TNY375DN switcher. This article will discuss the application field and working principle of the TNY375DN.

The TNY375DN is an offline switcher IC with a wide input voltage range of 6V to 20V. It is designed to be used for general purpose applications such as voltage regulation, power conditioning, and battery charging. The device is capable of providing output currents up to 4A, with programmable switching frequencies from 100kHz to 1MHz, making it suitable for a variety of applications. The TNY375DN has an integrated synchronous rectangular (buck-boost) control scheme, allowing it to operate from both AC and DC inputs. The device also features over temperature protection and current limit protection to ensure safe and reliable operation.

The TNY375DN is available in a leadless chip carrier (LCC) SOIC package, making it space-saving, compact and easy to design with. The design flexibility and cost-effectiveness of the device makes it ideal for medium power applications such as consumer electronics, consumer goods, and industrial equipment. The device is also well-suited for systems with stringent efficiency requirements such as solar charge controllers, and fuel cell systems.

The TNY375DN provides high efficiency operation, even at low input and/or output voltages. The device is able to provide a high level of efficiency because it has an integrated synchronous rectification control scheme that switches on both low side MOSFETs during the Buck mode, and the upper and lower MOSFETs are switched on during Boost mode. This allows for the highest possible conversion efficiency.

The TNY375DN can operate in multiple modes, allowing it to be customized for different applications. It is capable of working as CC Buck, CV Buck, CC Boost, CV Boost, Buck-Boost, and flyback. The device is also able to automatically detect the optimal operation mode and select the most suitable mode of operation.

The TNY375DN also has a comprehensive set of protection features to ensure safe and reliable operation. It has short-circuit protection, over temperature protection, and under voltage protection. The device is also able to provide programmable current, voltage and soft-start protection, as well as double-fault protection.

In conclusion, the TNY375DN is a highly versatile offline switcher IC with a wide input voltage range of 6V-20V and an output current of up to 4A. The device is capable of providing high efficiency operation even at low input and/or output voltages. It is suited for a variety of medium power applications, including consumer electronics, consumer goods, and industrial equipment. The TNY375DN provides programmable current, voltage and soft-start protection to ensure safe and reliable operation.

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