UPR10E3/TR13

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The UPR10E3/TR13 is a high-current, high-power, integrated circuit rectifier, commonly used as a single-phase, low-voltage rectifier element in applications such as power supplies, AC-DC converters, and isolated DC/DC converters. This device is part of a comprehensive family of integrated rectifier circuits from ST Microelectronics.

UPR10E3/TR13 utilizes forward conduction to convert AC power to DC power. The device contains two rectifier diodes—each offering a low forward-voltage drop of 1.25V—along with two Thyristors in anti-parallel configuration. This combination enables higher efficiency and cost effectiveness due to less energy conversion losses. The UPR10E3/TR13 can withstand a peak surge current of up to 5A in the half-cycle mode.

When the AC input voltage exceeds the forward conduction threshold, typically 2 volts, reverse-biased rectifier diodes provide a low-voltage blocking to prevent current from flowing from the negative to the positive side of the input. As the AC input voltage continues to rise, one of the two Thyristors starts to conduct and the positive input voltage is rectified and transferred to the output. As soon as the negative phase of the input reaches the anode of the diode and is greater than the forward conduction threshold, the other Thyristor starts to conduct, allowing DC current to flow across the two devices in anti-parallel configuration. During this process, both Thyristors and rectifier diodes are conducting, resulting in rectified DC power being produced.

The UPR10E3/TR13 is a particularly useful device for applications such as:

• CO2 laser application phase lighting;
• Solenoid valves
• Metering systems
• AC-to-DC power supplies
• Automotive applications
• Low-voltage lighting systems
• DC motors

The UPR10E3/TR13 is easy to integrate into any system due to its low voltage drop and high power capabilities. Furthermore, its compatibility with a variety of AC input voltage sources, ranging from 110V to 220V AC, makes it an ideal choice for a wide range of applications. In addition, its ability to withstand a peak surge current of up to 5A in the half-cycle mode and its low thermal resistance—typically 25°C/W—allows the device to be used in particularly demanding environments.

The UPR10E3/TR13 rectifier circuit is an ideal solution for efficient AC-DC power conversion in a variety of scenarios. Its forward-conducting design reduces power dissipation, thereby increasing efficiency and cost-effectiveness. Its compatibility with a variety of AC input voltages, as well as its ability to withstand high peak current surges, make it a perfect choice for heavy-duty applications. This device combines the advantages of both Thyristors and rectifier diodes in a single package, delivering greater power efficiency and cost savings for integrated rectifier applications. Therefore, for reliable and efficient power conversion in demanding environments, the UPR10E3/TR13 rectifier circuit is the ideal choice.

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