TB6819AFG,C,EL Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mode:	Critical Conduction (CRM)
Frequency - Switching:	20Khz ~ 150kHz
Current - Startup:	72.5µA
Voltage - Supply:	10 V ~ 25 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.173", 4.40mm Width)
Supplier Device Package:	8-SOP

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IntroductionPower Factor Correction (PFC) is a technology used to help maximize the efficiency of power supplies in various electrical applications. PFC systems improve the power factor of a power supply by balancing the load on the electrical system, resulting in increased power efficiency and better power utilization. This technology helps minimize the amount of energy lost during transmission, resulting in cost savings for both consumers and power companies.The TB6819AFG,C,EL is a three-phase power factor controller (PFC) that utilizes leading-edge technology to provide optimal performance. This power factor correction IC is designed to work in a wide range of industrial and commercial applications. It is capable of regulating power factor and providing voltage/current protection in three-phase AC/DC systems. This IC features a digital signal processor (DSP) core to support motor control, power analysis and failure monitoring functions.Application FieldThe TB6819AFG,C,EL is ideal for applications where high power accuracy, low noise, and improved performance are desired. It is used in three-phase applications such as grid-tied inverters, wind turbines, and solar power systems. This power factor correction IC is also used in automotive applications, UPS systems, and lighting systems. The TB6819AFG,C,EL is capable of adjusting power factor, current, and voltage signals while maintaining adaptability to changes in the input sources. It has the capability to regulate voltage/current, phase detection, frequency detection, active and reactive power, rotational speed and other parameters to minimize losses and improve power efficiency. This power factor correction IC also provides surge protection, transient voltage suppression (TVS) and full protection against over-current, over-voltage, over-temperature and short circuit issues. Working PrincipleThe TB6819AFG,C,EL utilizes an advanced power factor correction algorithm to provide optimal performance. This algorithm is based on a hysteresis current control technique, allowing the IC to accurately track and adjust the input voltage and current levels. This algorithm is capable of compensating for any disturbances in the power source, such as harmonics and transients, to minimize power loss.The TB6819AFG,C,EL also features an internal voltage/current loop that helps maintain a constant output voltage level. This loop monitors the output voltage and adjusts the switching frequency of the 3-phase bridge to maintain the voltage level. This feature ensures that the output voltage remains stable, even when the input voltage fluctuates.ConclusionThe TB6819AFG,C,EL is an advanced power factor controller IC that is designed to improve power factor and efficiency in three-phase power applications. This power factor correction IC offers a wide range of features, such as a digital signal processor core, voltage/current loop, and an advanced power factor correction algorithm. The TB6819AFG,C,EL is ideal for applications that require high power accuracy, low noise, and improved performance.

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