Tuesday, May 28, 2024

High-Voltage IC for Consumer and Industrial Motor Drive Applications

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  • Dialog Semiconductor’s new product allows electronics designers to reduce components, board space and power consumption
  • It is also capable of driving Brushed DC motors, Stepper Motor or Solenoid and includes current and voltage protection features

Dialog Semiconductor, a provider of battery management, AC-DC power conversion, Wi-Fi, BLE and Industrial ICs, has launched the SLG47105, a motor drive CMIC that delivers both configurable logic and configurable analogue with high-voltage outputs.

The device is a part of the company’s GreenPAK product family and provides a cost-effective, one-time NVM programmable option for designers to integrate both digital and analogue system functions while minimizing component count, board space and power consumption for consumer and industrial motor applications.

The new 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. It has an operating voltage of up to 13.2V. Besides 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.

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Optimised power functionalities

The SLG47105 includes low power consumption functions including internal voltage references, power-on reset, an oscillator and more advanced digital resources, like Pulse Width Modulators. The current consumption in standby mode for the entire chip is as low as 70nA, which guarantees a longer battery life and helps reduce the overall solution cost, BOM, PCB size and can achieve a lower overall system current consumption versus more discrete solutions used in the industry today.

“Adding high voltage capabilities to our GreenPAK product family opens up huge opportunities within the motor field,” said John McDonald, Vice President of Marketing of Dialog’s Configurable Mixed-Signal Business Unit. “With already close to 5 billion CMICs shipped, this new product will further accelerate GreenPAK adoption across a wider range of applications incorporating brushed and stepper motors, from industrial to consumer appliances and the smart home.”

In addition to the introduction of the SLG47105, Dialog has also released a new update for the GreenPAK Designer software package. Now, GreenPAK Designer Software contains simulation capabilities to incorporate external components, ranging from passive components like shunt resistors to more complex devices like motors, which will further reduce development time and simplify the design process across the entire GreenPAK portfolio.

The SLG47105 is encapsulated within a tiny 2 x 3 mm QFN package. It 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.


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