Regulatory Filings • Jun 20, 2011
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Press Release | 20 June 2011 10:56
ELMOS Semiconductor AG: E520.01 for stepper motor applications
ELMOS Semiconductor AG / Key word(s): Products/Innovation/
20.06.2011 / 10:56
12-fold driver with motor stalling detection and additional LED and PWM functions
With the E520.01, ELMOS presents a semiconductor for driving up to three unipolar stepper motors. The IC is distinguished by its elaborate protective features: The 12-fold driver comes with high-performance motor stalling detection and comprehensive diagnostic and safety functions for the protection of the whole system.
The IC is qualified for automotive and industrial applications. Potential fields of use are stepper motors, DC motors, relay and LED applications, or switch control circuits.
Stalling detection is the outstanding protective function. If the motor stalls, it is switched off automatically if opted for; potential static noise is thus eliminated and the mechanical components are protected against overload. The other protective features include extensive short-circuit protection (detection, limitation, and diagnostics), allowing for safe operation even under inductive loads. Each output is monitored independently of each other for short circuits or interruption. Overvoltage and undervoltage switch-off and temperature monitoring complete the safety functions.
Not only stepper motors but also LED's or relays can be operated at the 12 outputs. For this purpose, the component has 3 adjustable PWM generators whose frequencies are 200Hz or 25kHz according to adjustment. The duty cycle allows for linear or logarithmic configuration.
Apart from configuration and diagnostics, the stepper motors are driven through an SPI interface. For this purpose, the stepper pattern desired by the customer (full step, half step, or wave drive) is simply transferred. All other functions such as automatic stalling detection are provided by the IC.
If only 8 channels are required, the E520.03 can be used. The IC E520.01 is supplied in a QFN 32L5 package, the E520.03 in a QFN 20L5 package.
For more information, an application description, samples, and evaluation boards, please send an e-mail with the subject 'E520.01' to [email protected] , visit our website www.elmos.de or call us at: + 49 231 7549 100.
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ELMOS Semiconductor AG is a developer and manufacturer of system solutions on semiconductor basis. For more than 25 years, our chips have made automobiles as well as industrial and consumer goods more performance and power efficient.
Contact: ELMOS Semiconductor AG, Mathias Kukla, Heinrich-Hertz-Str. 1, 44227 Dortmund, Phone: +49 231-7549-0, Extension: -199, Fax: +49 231-7549-548, [email protected], www.elmos.de
End of Media Release
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| Language: | English |
| Company: | ELMOS Semiconductor AG |
| Heinrich-Hertz-Str. 1 | |
| 44227 Dortmund | |
| Deutschland | |
| Phone: | +49 (0)231 7549-575 |
| Fax: | +49 (0)231 7549-548 |
| E-mail: | [email protected] |
| Internet: | http://www.elmos.de |
| ISIN: | DE0005677108 |
| WKN: | 567710 |
| Listed: | Regulierter Markt in Frankfurt (Prime Standard); Freiverkehr in Berlin, Düsseldorf, Hamburg, München, Stuttgart |
| End of News | DGAP-Media |
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| 129118 20.06.2011 |
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