TEA19363LT/1J

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Power management integrated circuit (PMIC) is a device used to efficiently manage and control the power integrity of electronic circuits. In general, PMICs consist of multiple power supply designs, including AC/DC converters, offline switchers, DC/DC converters, battery chargers, and motor drivers.

TEA19363LT/1J belongs to PMIC AC/DC converters, offline switchers category. It is a 1.4 A hysteretic current-mode synchronous PWM controller for high reliability offline LED Luminaires and other such application.

TEA19363LT/1J has three-stage input, line filtering, and enables active PFC. It also features a secondary-side feedback and incorporates a maximum power point tracker (MPPT) which can track the best efficiency and provide constant current with ultra-low quiescent current.

The application fields of TEA19363LT/1J are quite extensive. Some of the applications are commercial fluorescent and LED luminaires, IoT light heads, residential lighting products, smart lighting, and architectural lighting.

TEA19363LT/1J has a unique working principle. It includes two built-in switching devices which can be used as Toggle switches. When the voltage goes above a certain threshold, the device switches from one state to the other. The switching of the device is controlled by a built-in hysteretic comparator which determines the switching threshold by comparing the input voltage with a reference voltage. The hysteretic comparator has the ability to maintain high accuracy even when the input voltage varies over a wide range.

The controller also has a frequency multiplier that is used to reduce the switching frequency. It is important to note that it is a single-phase device and is not suitable for applications that require three-phase operation. It also has an adjustable frequency range of up to 1MHz which allows designers to optimize their designs for the most efficient operation.

The TEA19363LT/1J also has a MPPT feature which maximizes the power efficiency. This feature works by monitoring the input voltage, total load current and temperatures of the converter. The MPPT adjusts the output voltage so that the converter always delivers the most efficient and safe output.

In conclusion, TEA19363LT/1J is a perfect choice for AC/DC converters, offline switchers and other applications. It has advanced features such as hysteretic current mode synchronous PWM, three-stage input line filtering, active PFC, secondary-side feedback, adjustable frequency range and a maximum power point tracker which all make it an ideal choice for the above mentioned applications.

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