Feature

DC-DC converters operate across all train battery voltages

Relec Electronics announces the release of the EC7BW18-72 ultra-wide input, board-mount 20-Watt DC-DC Converters from Cincon.

14/04/2020 10:21:34

The converters operate from 8.5V-160V DC in a single range, making them ideal for all common battery voltages. Designed primarily for railway applications, the versatile series offers a one-size-fits-all power solution from 24V diesel sprinters, London Underground trains (52V), freight locomotives (72V) right up to electric mainline trains at 110V.

The rugged EC7BW18-72 DC-DC converters are qualified in accordance with rail industry regulatory requirements, namely: EN 50155 (EN 61373) – for shock and vibration, EN 45545-2 – for fire and smoke, and is certified to IEC 62368-1 and UL 62368-1 2nd edition (Reinforced Insulation) and meet EN 50155/EN 50121-3-2 with External Circuits. In addition, the wide input range means the DC-DC converters meet the requirements of RIA12 Surge A on 24V and 52V systems (3.5 x Vi nom 20mS).

The DC-DC converters have high efficiency (up to 90%) and a case operating temperature range of -40°C to +105°C. An optional heat sink is available to extend the full power range. The very low, no-load power consumption (8mA), makes the converters particularly suitable for use in energy-critical systems.

Standard control functions include remote on/off (positive or negative) and +15%, -20% adjustable output voltage (single output only). Units are protected against input under-voltage lockout, output over-current, output over-voltage, and over-temperature and continuous short circuit conditions.

The capability to operate with 12V batteries also makes the EC7BW18-72 DC-DC converters suitable for use in the demanding automotive sector.

The EC7BW is available to sample now with production lead-times currently six to eight weeks. The technical team at Relec is available now to provide guidance on the design-in process, samples and commercial support from design right through to production.

Written By Sophia Bell

Sophia Bell is the Group Editor of DPA, Connectivity, and PBSI. She joined the team in 2020 as Assistant Editor after achieving a First-Class Honours BA in English Literature and Film Studies from the University of East Anglia. In her current role, she leads the editorial strategy, driving digital growth and ensuring each title continues to deliver trusted, relevant insight for engineering and manufacturing professionals.