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Compact and maintenance-free DC UPS systems use SuperCaps as energy storage

Bicker Elektronik introduced two new DC UPS systems for the uninterrupted power supply of DC loads, such as motors, sensors, actuators, or card readers. The UPSIC-1205 is rated at 2 VDC / 5A, and the UPSIC-2403 is rated at 24 VDC / 3A, and protect against voltage fluctuations, flicker, voltage drops, or failures of the supply voltage. The supercap-based systems are characterized by their high current-carrying capacity, power density, and reliability.

Due to the high cycle stability (> 500,000 charging and discharging cycles), the new SuperCap UPS solutions from Bicker Elektronik have a particularly long service life and are practically maintenance-free. This means an increase in long-term availability while minimizing the maintenance effort of the supplied system. Due to the compact dimensions, a high power density and the corresponding interface configuration, the integration into a wide range of sensitive applications is possible. The (almost) unlimited fields of application cover the areas IIoT / Industrie 4.0, laboratory and medical technology, robotics, kiosk, vending machines, cash register and payment systems, POS / POI as well as mobile applications etc.

In normal operation the intelligent system electronics of the UPSIC relays the input voltage to the output with a minimum deduction of 0.3 V (UPSIC-1205) / 0.2 V (UPSIC-2403) at full load, charges the supercapacitors and monitors the voltage thresholds at the input. If the input voltage falls below the defined threshold, the SuperCap UPS will switch to UPS backup mode within a fraction of a second and provide an uninterrupted and regulated voltage supply at 12VDC resp. 24VDC. The intelligent distribution of the charging currents (power sharing) at the input ensures that the upstream AC/DC power supply has not to be oversized, due to the input power is kept constant and is distributed appropriately to the load and the SuperCap loader. With low load at the output, more energy flows into the SuperCap loader and vice versa.

Equipped with high-quality 3 Volt SuperCaps (4x 100F capacity), the DC UPS modules are fully loaded in a maximum of 60 seconds and are designed for fanless 24/7 continuous operation in the extended temperature range from -20 to +70°C. The UPSIC-1205 resp. UPSIC-2403 operates with a reduced cell voltage of 2.6 Volt per SuperCap. This ensures optimal and long-term operation of the UPS systems even at high ambient temperatures.

The UPSIC UPS modules are equipped with an active polarity protection and an overload protection (switch-off with automatic restart). Three LEDs indicate the supercaps charge status, normal and backup mode. With the help of the integrated relay contact, external units can be switched at “PowerFail”. In addition, the SuperCap UPS has a communication interface (RS232, I2C, SMB). Optionally available are matching input and output cables with open ends (PSZ-1036 and PSZ-1037).

For more information visit www.bicker.de

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