TEA19051BAAT/1J

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SO
Mounting Type:	Surface Mount

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Introduction

The TEA19051BAAT/1J is a highly integrated AC-DC converter and offline switcher intended for use in a variety of applications. It integrates a high voltage power MOSFET, bootstrap diode, rectifier and drivers, along with a 64 pin package featuring a high efficiency, low EMI, and high power density design. As such, it is suitable for a wide range of applications that require a reliable and efficient power conversion.

Application Field

The TEA19051BAAT/1J offers a low-cost, highly integrated solution for applications that require a stable, high voltage AC-DC power conversion with valuable features such as over-temperature protection, auto-restart from loss of real-time clock, as well as manual and automatic mode. Its design makes it suitable for a variety of applications such as uninterruptible power supplies, lighting, industrial control systems, and medical equipment.

Working Principle

The TEA19051BAAT/1J features a complete power conversion system, with high voltage power MOSFET for AC to DC conversion, bootstrap diode for DC to AC conversion and rectifier/drivers for power line regulation. A regulated, isolated power supply of 24V is provided to the isolated DC bus by a low-EMI Flyback converter.The system then switches over to a non-isolated half-bridge converter and rectifier at the same time. This converter consists of a voltage regulator, a low-noise current-mode controller and a half-bridge driver. The converter is used to control the output voltage on the non-isolated DC bus. The rectifier, on the other hand, controls the voltage on the line side of the power converter and provides protection against over-voltage and over-current situations.Finally, the power conversion system features a smart, low-EMI controller that monitors the output voltage and enables adjustable output voltage and load sharing capability. This controller also offers multiple protection features such as over-temperature protection and auto-restart from loss of real-time clock.

Conclusion

The TEA19051BAAT/1J is a highly integrated, low-cost AC-DC converter and offline switcher with high voltage power MOSFET, bootstrap diode, rectifier and drivers. It is suitable for a wide range of applications such as industrial control systems, lighting, medical equipment and uninterruptible power supplies, due to its high efficiency, low EMI, and high power density design. The power converter features a smart controller with multiple protection features, adjustable output voltage and load sharing capability.

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