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Robust SMD Inductors Geared For Automotive DC/DC Converters

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Robust SMD Inductors Geared For Automotive DC/DC Converters

 

TT Electronics has launched new series of automtive-ready coupled inductors for DC/DC converter applications. They feature wide -50 to 155°C operating temperature range and AECQ200 certification making them ideal for high stress environments in new motor vehicles.

In the automotive market, the inductors are suitable for applications including lighting, hybrid car, start and stop vehicle, and electrical power steering. Other applications include industrial, telecom, VRM and PoL.

The HA78D series shielded SMD inductors have been designed specially for use in DC/DC converter configurations including flyback, multi-output buck, SEPIC and Zeta applications.

With their high leakage inductance they are ideal for SEPIC applications where the loosely coupled winding improves the SEPIC efficiency by reducing circulating current and provides twice the ripple current reduction compared to separate inductors.

“In a motor vehicle there are more than 80 electronic applications. Each of these uses an ECU, and each ECU requires a DC/DC converter”, noted the company. “Inductors are vital components for achieving the necessary performance and power requirements of automotive DC/DC converters.”

The new HA78D series comprises of four inductors; the HA78D-L128100MLFTR, HA78D-L128220MLFTR, HA78D-L128330MLFTR and HA78D-L128470MLFTR.

When parallel connected, their inductance ratings at 100kHz are 10, 22, 33 and 47 micro Henries consecutively.

The inductors offer high efficiency and excellent current handling in a rugged housing, and with their low losses ferrite cores they are ideal for high frequency DC/DC converter and VRM/VRD applications.

Exhibiting versatility, the RoHS compliant inductors can also be used as two single inductors connected in series or parallel or as a common mode choke as a filter inductor for EMI noise reduction.

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For further information, view the full Press release.

 

 

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