Detects rotor position from standstill up to maximum motor speed: BLDC motor controller E981.15 with sensorless commutation technique ensures the greatest possible efficiency
(PresseBox) - The new BLDC motor controller E981.15, developed by ELMOS and now available from Gleichmann Electronics, enables a significant reduction of system costs. The E981.15, which comes in a small 7x7 mm QFN package and is based on the patented sensorless VirtuHall® principle, controls BLDC/PMSM motors entirely without external sensors. The device includes controller and driver for the control of six Nchannel power FETs with PWM frequencies of between 20 and 60 kHz and provides numerous error and diagnostic possibilities.
The sensorless commutation technique makes the E981.15 ideal for use in a wide variety of applications from the basic voltage control of a BLDC motor, the regulation of speed and the sensorless positioning of drives right up to demanding servo controls. However, the VirtuHall® principle is shown to be particularly advantageous with a very fast motor start at maximum torque or during rapid load changes, because the motor is always controlled with the greatest possible efficiency.
The extensive integrated motor protection functions of the E981.15 include phase shortcircuit, detection of too low bootstrap voltage, overvoltage and undervoltage protection as well as an overcurrent detection.
For more information about the E981.15 please send an email to ELMOS(at)mscge.com. Samples and evaluation boards are available on request.
ELMOS Semiconductor AG
For many years, ELMOS is a leading developer and producer of customerspecific system solutions for the automotive sector as well as for consumer and industrial products. Based on the modular highvoltage CMOS technology, ELMOS offers a variety of analog, mixedsignal circuit elements such as voltage regulators, analog/digital converters, power drivers and nonvolatile memory. In addition, special siliconbased microsystems based on MEMS sensor systems and dedicated package solutions, both developed and manufactured within the ELMOS Group, are offered. About 90 percent of sales are generated with ICs for automotive electronics. ELMOS is listed on the Prime Standard of the German Stock Exchange. More information can be found at: www.elmos.de
Founded in 1979, Gleichmann & Co. Electronics GmbH, in the same company group with MSC Vertriebs GmbH, has established itself as one of the leading pan-European distributors of electronic assemblies and components. One of the reasons for the high acceptance by customers and suppliers is the company's early focus on comparatively few, highly sophisticated products such as microcontrollers, programmable logic devices, displays and customer specific power supplies. From this, the resulting indepth technical knowhow of our sales engineers and field application engineers today enables us, if required by the customer, even implementation of complete new designs right up to the finished product. With two of its own ASIC design centers, the Gleichmann Electronics Research laboratory and one of the largest and most modern programming centers in Europe, Gleichmann & Co Electronics takes a leading role in terms of service and customer support. More information can be found at: www.msc-ge.com
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Founded in 1979, Gleichmann & Co. Electronics GmbH, in the same company group with MSC Vertriebs GmbH, has established itself as one of the leading pan-European distributors of electronic assemblies and components. One of the reasons for the high acceptance by customers and suppliers is the company's early focus on comparatively few, highly sophisticated products such as microcontrollers, programmable logic devices, displays and customer specific power supplies. From this, the resulting indepth technical knowhow of our sales engineers and field application engineers today enables us, if required by the customer, even implementation of complete new designs right up to the finished product. With two of its own ASIC design centers, the Gleichmann Electronics Research laboratory and one of the largest and most modern programming centers in Europe, Gleichmann & Co Electronics takes a leading role in terms of service and customer support. More information can be found at: www.msc-ge.com
Datum: 17.08.2010 - 04:16 Uhr
Sprache: Deutsch
News-ID 1018513
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