E910.69 universal driver IC simplifies control of brushless and DC motors

Stutensee, (PresseBox) - Gleichmann Electronics announces immediate availability of Elmos' E910.69 motor control IC together with an evaluation board. The E910.69 was specifically designed by Elmos for the operation of brushless motors as well as the full bridge and half bridge control of DC motors.

Up to three external NMOS half bridge applications can be controlled with the IC, whereby each of the three half bridges of the E910.69 is controlled by a separate logic input.

The driver outputs for control of six external n-channel power transistors are provided by PWM signals up to 20 kHz. The external power transistors are protected against short circuit by adjustable thresholds and monitoring the drain-source voltage and protection against overcurrent by current measuring on external shunt resistors. The slew rate of the MOSFET can be adjusted by programming the gate drive currents. Via a serial interface (SPI), which also serves for supply voltage monitoring, the drivers can be parameterized and diagnostic data can be read out.

Control of the high-side transistors takes place with help of a bootstrap circuit. In case of low supply voltage, a charge pump provides a higher charging voltage for the external bootstrap capacitors and for driving the low-side transistors.

Due to the wide operating voltage range from 7 V to 60 V, the E910.69 can be used in 12 V, 24 V and 42 V vehicle power systems and in diverse 24 V industrial power grid. Typical fields of application are turbo chargers, control valves, battery powered drills/screwdrivers, common power tools, servo drives, high-efficiency fan drives, electric servo-assisted steering and automatic gearboxes.

Elmos Semiconductor AG

For many years, ELMOS is a leading developer and producer of customer-specific system solutions for the automotive sector as well as for consumer and industrial products. Based on the modular high-voltage CMOS technology, ELMOS offers a variety of analog, mixed-signal circuit elements such as voltage regulators, analog/digital converters, power drivers and non-volatile memory. In addition, special silicon-based 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

MSC Technologies GmbH

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 in-depth technical know-how 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 research laboratory in Austria and one of the largest and most modern programming centers in Europe, Gleichmann 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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