Shorten development cycles and lower overall electric vehicle life costs

Compact, high quality and easy-to-integrate controllers deliver unparalleled reliability and performance to minimize total cost of ownership in vehicle applications.


KollmKollmorgen ACS GEN6 motor controllerorgen ACS GEN6 motor controllers are available in a variety of voltages (24, 36, 48, and 80 V) and power levels (5-50 kVA, 2 min) to suit various types and sizes of electric vehicles. Utilizing the latest MOSFET technology in combination with an innovative design concept, the new ACS GEN6 is up to 47% smaller than previous generation controllers, without change to the power rating.

“With more than one million ac motor controllers installed in battery and hybrid vehicles around the world, Kollmorgen leveraged that experience and invested it in the development of a new generation of low voltage vehicle drives that offers the OEM superior reliability in a small and cost efficient package,” said Mattias Nubäck, product manager. The changes enable “the OEM to benefit from the latest proven technology, while minimizing warranty and troubleshooting costs, at an attractive price level. The ultimate benefit to the OEM is that they will further strengthen their brand name by delivering high quality, no-hassle vehicles with low total cost of ownership.”

The latest MOFSET technology is more efficient and robust than its predecessors. Greater efficiency reportedly enabled Kollmorgen to design a more compact ACS controller that reduces the requisite number of mechanical components. Greater robustness and fewer components maximizes reliability, while smaller size enables OEMs to place the controller more freely within the vehicle to reduce cabling and mounting costs. The net impact for OEMs who utilize ACS GEN6 motor controllers is maximum reliability with lower total cost of ownership.

ACS GEN6 is the first Kollmorgen product released with Kollmorgen’s new software platform for vehicle motor controllers. The software enables Kollmorgen to customize software to meet specific customer requirements, while crucial firmware functionality remains untouched. Improved granularity and adjustability of the event log, as well as advanced logging, are firmware features that bring value to OEMs and end-users by allowing detailed and accurate troubleshooting information to shorten vehicle downtime and minimize service costs. Additionally, the software is designed to meet the quality standards of the automotive and hybrid markets, and Kollmorgen’s software development process is audited for conformance to Automotive SPICE (Simulation Program with Integrated Circuit Emphasis).


- Edited by Gust Gianos, Control Engineering,

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