Universal Motor

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Universal motors can be used with AC or DC supplies and are commonly used in consumer appliances such as mixers, fans and vacuum cleaners. Most universal motors are unidirectional. Bidirectional motors using two coils on the stator can be driven by applying a voltage to only one of them for the respective direction. The advantages of universal motors are high starting torque, very compact design and high speed. A simple controller with an AC supply can be implemented using a low-end microcontroller and a single Triac or an AC switch. Read more

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	Resource title		Latest update

Application Notes (5 of 12)

	Resource title	Latest update
PDF	AN414 Controlling a brushed DC motor with an ST6265C or ST6260C MCU 2.1	13 Sep 2018	13 Sep 2018 AN414 Controlling a brushed DC motor with an ST6265C or ST6260C MCU 2.1
PDF	AN1448 How to reduce 3rd harmonics with ST6200C motor control software 1.5	13 Sep 2018	13 Sep 2018 AN1448 How to reduce 3rd harmonics with ST6200C motor control software 1.5
PDF	AN4363 How to select the Triac, ACS, or ACST that fits your application 2.1	15 Jan 2019	15 Jan 2019 AN4363 How to select the Triac, ACS, or ACST that fits your application 2.1
PDF	AN2316 Improved ST7LITE05 AC Chopper Driver Solution 1.5	13 Sep 2018	13 Sep 2018 AN2316 Improved ST7LITE05 AC Chopper Driver Solution 1.5
PDF	AN422 Improved Universal Motor Drive 1.5	13 Sep 2018	13 Sep 2018 AN422 Improved Universal Motor Drive 1.5
PDF	AN863 Improved sensorless control with the ST62 MCU for universal motor 2.4	13 Sep 2018	13 Sep 2018 AN863 Improved sensorless control with the ST62 MCU for universal motor 2.4
PDF	AN441 Inductive load control with AC switches 3.2	13 Sep 2018	13 Sep 2018 AN441 Inductive load control with AC switches 3.2
PDF	AN392 Microcontrollers and TRIAC-based dimmers 2.3	13 Sep 2018	13 Sep 2018 AN392 Microcontrollers and TRIAC-based dimmers 2.3
PDF	AN2777 New high-temperature, high-performance TRIACs for optimized vacuum cleaner designs 1.2	13 Sep 2018	13 Sep 2018 AN2777 New high-temperature, high-performance TRIACs for optimized vacuum cleaner designs 1.2
PDF	AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6	24 Mar 2021	24 Mar 2021 AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
PDF	AN1015 Software techniques for improving microcontrollers EMC performance 2.1	13 Sep 2018	13 Sep 2018 AN1015 Software techniques for improving microcontrollers EMC performance 2.1
PDF	AN1172 THE NEW ACS SERIES: SERIES A BREAKTHROUGH IN RUGGEDNESS & DRIVE FOR HOME APPLIANCES 2.5	16 Jan 2019	16 Jan 2019 AN1172 THE NEW ACS SERIES: SERIES A BREAKTHROUGH IN RUGGEDNESS & DRIVE FOR HOME APPLIANCES 2.5

Flyers (2)

	Resource title		Latest update
PDF	H Series TRIACs : high application robustness 150°C TRIACs 1.0		23 May 2018	23 May 2018 H Series TRIACs : high application robustness 150°C TRIACs 1.0
PDF	T-series Triacs: immunity and commutation driven for AC appliances 3.0		18 Dec 2017	18 Dec 2017 T-series Triacs: immunity and commutation driven for AC appliances 3.0

Brochures (1)

	Resource title		Latest update
PDF	Motor Control Reference Guide 11.22		20 Mar 2021	20 Mar 2021 Motor Control Reference Guide 11.22

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