Ultra Wide Input Range Power Converters

Aimtec has announced the release of two new series of regulated AC to DC power converters, the AME10-BJZ and AME20-BJZ. These new series will expedite and simplify industrial and commercial product design in a low cost solution. The new regulated 10 W and 20 W AME10-BJZ and AME20-BJZ series are packaged in industry standard packages: 62.0 x 45.0 x 30.0 mm (2.44 x 1.77 x 1.18 inches) and 70.00 x 48.00 x 30.0 mm (2.76 x 1.89 x 1.18 inches) respectively. They meet the IEC/EN 62368-1 standards and are EN55032 class B compliant.

200_sq_ame10-bjz-press-jpg-94f2The internal EMC filtering reduces the need for external filtering components reducing production costs and are well suited for a wide range of applications including electric metering of three phase AC supply, industrial applications as well as commercial equipment applications. The standard package is available with 3.3, 5, 9, 12, 15 and 24 VDC outputs. These series offer over current, over voltage and short circuit protection while accepting an ultra-wide input range of 90-528 VAC or 100-745 VDC at 47-63 Hz input frequency. This series offers a high MTBF of 300,000 hours with an efficiency of up to 83%. The new AME10-BJZ and AME20-BJZ series feature high input/output isolation of 4,000 VAC and operate from a bone chilling -40°C to a blistering +70°C with full power output from -10°C to +55°C.

Aimtec | www.aimtec.com

High Isolation DC/DC Converters Target Industrial Power

Murata has introduced a series of high isolation DC/DC converters developed by Murata Power Solutions. The MGJ6 wide, low-profile series converters feature a 14 mm creepage and clearance distance for use in reinforced-rated isolated-gate drive-power applications in higher efficiency 690 VAC industrial electrical distribution systems. They provide optimized voltages for best system performance and efficiency.

Murata mgj6_lp_14mm_pr

This high isolation DC-DC converter series is designed for powering high- and low-side gate-drive circuits for IGBTs and silicon and silicon carbide MOSFETs in bridge circuits used in motor control applications and industrial power installations. Rated at 6 W, the dual output converters provide a wide 2:1 input voltage range with nominal values of 5, 12 and 24 V, and with output voltages of 15/-10 V, 20/-5 V and 15/-5 V.

Suitable for power applications that require a DC link voltage up to 3 kVDC, asymmetric outputs provide an optimum drive level to maintain a high system efficiency with low EMI levels. With their frequency synchronization-capability and very low coupling capacitance, typically 13 pF, EMC compliance is easier

The converters’ compact design reduces board space and development time, whilst their characterized dV/dt immunity of 80 kV/microsecond gives users confidence in a long service life, and similarly the use of planar magnetics increases product reliability and repeatability of performance. Typical applications include motor drives/motion control, solar inverters, UPS, alternative energy (wind-power generators), high-power AC-DC conversion, traction, EV/HEV and welding.

The MGJ6 series converters offer an operating temperature range of -40 to 105 °C, with derating above 90 °C. Standard features of the patent protected converters include enable pin, short-circuit and overload protection, and a frequency synchronization pin that simplifies EMC filter design.

The series is pending IEC 61800-5-1 approval based on a high working voltage of 690 Vrms maximum between primary and secondary, and similarly is also pending UL approval to UL 60950 for reinforced insulation to a working voltage of 690 Vrms.

Murata Power Solutions | www.murata-ps.com