Single configurable CMIC drives two 12V motors

June 11, 2020 //By Julien Happich
CMIC motor drive
Dialog’s SLG47105 Configurable Mixed-Signal Integrated Circuit CMIC supports four high-drive outputs from a 2 x 3mm package for 12V motor designs.

Dialog Semiconductor has launched its first Configurable Mixed-Signal Integrated Circuit CMIC device for 12V motor drives. 

The SLG47105 provides configurable logic and configurable analogue with high-voltage outputs in a 2x3mm QFN package. Part of the GreenPAK product family from Dialog's aquisition of Silego, the chip provides a one-time programmable option via NVM non-volatile memory for designers looking to integrate both digital and analogue system functions.

The CMIC device is capable of driving two brushed DC motors, a single stepper motor, solenoid or any other load requiring up to 1.5A RMS current per output, and an operating voltage up to 13.2V. Beyond standard protection features such as over temperature, undervoltage and over current protection, the SLG47105 also includes configurable digital and analogue resources allowing the user to create a customized protection and motor control scheme with current or voltage regulation, stall detection or soft motor start to enable higher system reliability and more efficient battery usage. Current consumption in standby mode for the entire chip is as low as 70nA.

The SLG47105 is sampling now and will be in production in the second half of 2020. An evaluation board including both a brushed and stepper motor is now available for the SLG47105 via Dialog’s GreenPAK Online Store.

Dialog Semiconductor - www.dialog-semiconductor.com

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