Acquired Electronics360

Automotive & Transportation

Power Solutions Fit Automotive, IoT Apps

01 June 2016

Powerbox has launched a series of power solutions for automotive applications and on-board Internet of Things (IoT). Based on a highly integrated components platform and low-profile planar magnetics, the seriesENA100(100W) and ENA200(200W) are packaged in a plastic enclosure. The enclosure is IP-21 and the boards are conformal coated to withstand high humidity, complying with the challenging environments found in the automotive industry.

ENA100 and ENA200 power solutions. Source: Powerbox.   ENA100 and ENA200 power solutions. Source: Powerbox. To guarantee the highest levels of efficiency and reliability, the ENA100 and ENA 200 power stage uses specific components selected for robustness and high-reliability data, and operated within a safe-band area. The series comes with galvanic isolation of 500 VDC and built-in protection and filtering, making products ready to use without additional components.

As members of the Powerbox Automotive Line, the ENA100 and ENA200 units have been designed in response to the automotive electronics equipment manufacturer’s demands. These demands include: standardized DC/DC converters built-in low-profile packaging, lower than 20 mm (0.8 in.), isolated cases with an IP class of 21, galvanic isolation, low conducted and radiated EMI, and sustaining 2 kV surges along with a requirement for simple installation and the ability to upgrade when more power is required, if new equipment is added.

Packaged in a 116 x 88 x 18 mm (4.57 x 3.46 x 0.70 inches) polycarbonate housing, the ENA100 and ENA200 baseplate includes four mounting holes for mechanical attachment to a vehicle chassis or assembly plate. The low weight, less than 500 grams, contributes to excelling performances in vibration testing (5–50 Hz, acceleration ±7.35 m/s2).

Input and outputs of the products are equipped with 6.3 mm industry-standard connectors, along with an integrated LED, indicating the state of the output voltage.

The ENA100 and ENA200 series cover a large range of application requirements from 10 VDC input up to 120 VDC (10 V to 18 V, 18 V to 32 V, 36 V to 75 V, and 55 V to 120 V). Four output voltages—12.5 V, 14.5 V, 24.5 V and 28 V—will be available and, depending on the output voltage, in a range of output currents of 8 A to 16 A. The ENA100 and ENA200 have industry-leading efficiencies of up to 96%.

Ready-to-use products, the ENA100 and ENA200 series incorporate efficient input filtering, short-circuit protection with constant current limit set at ~110%, temperature protection with automatic recovery, and intelligent power control, guaranteeing safe-gap operation. Designed for conduction cooling, the ENA100 and ENA200 series can operate from -20° C to +50° C ambient and up to 70° C baseplate.

Meeting road vehicle EMC and transient protection, the ENA100 and ENA200 series comply with the standards EN61000-6-2; 4-2/3/4/5/6; and EMI EN55022B conducted and radiated.

The ENA100 and ENA200 are the first two series of a new family, which will eventually include 400 W models, non-isolated step-down converters and battery chargers. The ENA100–400 will complement the Powerbox Automotive line, which already includes the ENA20 to ENA60.



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