Page 57

EETE OCTOBER 2012

First 28-V alternators with lIN interface Self-compensating No-Bus digital point For its heavy-duty (HD) series of commercial-vehicle alterna- of load DC-DC module tors, Bosch has announced a regulator with a LIN interface. The The NSM2P series from CUI is what the company claims to regulator will be the first to give vehicle makers the possibility be the industry’s first self-compensating No-Bus digital point of smart control of alternators, also of load DC-DC module family. The modules are specifically in 24-volt on-board networks, the designed for customers who value company claims. Improving the con- the efficiency and compensation nection to the on-board electronics advantages inherent in digital pow- makes an adapted charging strategy er but do not want to incorporate possible, which can prolong the life of digital bus communication in their the battery and save fuel, for example. systems. The NSM2P series will The Bosch HD series comprises allow customers to access many of diverse performance classes and optional variants that can be the same features as a fully digital POL, however the access combined variably. This allows commercial-vehicle manufactur- will be via header pins that will connect to a USB dongle and ers to find the alternator that perfectly suits to their application. CUI’s Digital Power GUI. The designer can dynamically test An efficient cooling system and high-quality bearings ensure and manipulate the desired functions within their system, a high level of reliability. At the top end of the range, there are monitor the results, and set the desired fault management 28-volt variants with a nominal current of 150 amperes at 6,000 functions. In production, the engineering header is pulled revolutions per minute and an average efficiency of 77 percent and the specified parameters are loaded into the module by (80 percent maximum). The available options include enhanced CUI based on the customer’s specific requirement. Offer- heat resistance and an extension of service life to as much as ing efficiencies above 93% at half load, the NSM2P series is 1.2 million kilometers.Compared with a PWM (pulse-width mod- available with an input range of 4.5 to 14 Vdc and a select- ulation) interface, the serial LIN (local interconnect network) bus able output range of 0.6 to 3.3 Vdc in three compact DIP allows more extensive, bi-directional communication between configurations rated at 12A, 25A and 50A. the alternator and the engine management system. CUI Bosch www.cui.com www.bosch.de


EETE OCTOBER 2012
To see the actual publication please follow the link above