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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.

型号	Description
STEVAL-IHM029V2	Universal motor control evaluation board based on the STM8S103F2 MCU and T1235T Triac	Quick view 主要特性 Input voltage range: 90-265 VAC, 50/60 Hz 12 VDC / 5 VDC auxiliary power supply based on the VIPer16L in buck converter topology Total power consumption below 300 mW in standby mode Maximum output power: 1500 W 20-pin, 8-bit STM8S103F2 MCU as main controller Employs zero-voltage switching (ZVS) to synchronize MCU events with the voltage mains Motor driven by T1235T Triac in phase-angle control 5 power levels and standby mode selectable by potentiometer 5 LEDs to display the power level of the board “RUN” LED to indicate the board is functioning Standard in-circuit programming connector IEC 61000-4-4 pre-compliance test passed (burst up to 8 kV) IEC 61000-4-5 pre-compliance test passed (surge up to 2 kV) RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-IHM041V1	Universal motor driver with speed control based on the STM8 and Triac (US version)	Quick view 主要特性 Input voltage 120 V/60 Hz Motor current: 7 A RMS Phase control for universal motor drive Open loop or closed loop speed regulation Voltage and current sensing, for sensorless operation (optional) Debug outputs AC tach, Hall sensor or opto-sensor for speed feedback RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-GLA001V1	Triac and AC switch insulated control evaluation board	Quick view 主要特性 Insulated control of three different AC switches used to drive AC loads up to 1 kW (230 Vrms) for residential appliances Interface with STM32 Nucleo-64 development board Three control modes available thanks to STM32 Nucleo-64 firmware (continuous or pulse gate current, timer option and phase control) Easy to configure through user-friendly interface Compatible with any external microcontroller Input voltage range: 90 V_AC to 265 V_AC 50 / 60 Hz Operating temperature: 0 °C to 60 °C 5 V and 3.3 V insulated power supply Low standby power losses (< 300 mW) Criteria A @ 2 kV IEC 61000-4-4 Criteria B @ 4 kV IEC 61000-4-4 RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber

型号

STEVAL-IHM029V2

Universal motor control evaluation board based on the STM8S103F2 MCU and T1235T Triac

Quick view

主要特性

Input voltage range: 90-265 VAC, 50/60 Hz
12 VDC / 5 VDC auxiliary power supply based on the VIPer16L in buck converter topology
Total power consumption below 300 mW in standby mode
Maximum output power: 1500 W
20-pin, 8-bit STM8S103F2 MCU as main controller
Employs zero-voltage switching (ZVS) to synchronize MCU events with the voltage mains
Motor driven by T1235T Triac in phase-angle control
5 power levels and standby mode selectable by potentiometer
5 LEDs to display the power level of the board
“RUN” LED to indicate the board is functioning
Standard in-circuit programming connector
IEC 61000-4-4 pre-compliance test passed (burst up to 8 kV)
IEC 61000-4-5 pre-compliance test passed (surge up to 2 kV)
RoHS compliant

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-IHM041V1

Universal motor driver with speed control based on the STM8 and Triac (US version)

Quick view

主要特性

Input voltage 120 V/60 Hz
Motor current: 7 A RMS
Phase control for universal motor drive
Open loop or closed loop speed regulation
Voltage and current sensing, for sensorless operation (optional)
Debug outputs
AC tach, Hall sensor or opto-sensor for speed feedback
RoHS compliant

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-GLA001V1

Triac and AC switch insulated control evaluation board

Quick view

主要特性

Insulated control of three different AC switches used to drive AC loads up to 1 kW (230 Vrms) for residential appliances
Interface with STM32 Nucleo-64 development board
Three control modes available thanks to STM32 Nucleo-64 firmware (continuous or pulse gate current, timer option and phase control)
Easy to configure through user-friendly interface
Compatible with any external microcontroller
Input voltage range: 90 V_AC to 265 V_AC 50 / 60 Hz
Operating temperature: 0 °C to 60 °C
5 V and 3.3 V insulated power supply
Low standby power losses (< 300 mW)
Criteria A @ 2 kV IEC 61000-4-4
Criteria B @ 4 kV IEC 61000-4-4
RoHS compliant

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

00 Files selected for download

技术文档

应用手册

Description	版本	文档大小	Action
AN414 Controlling a brushed DC motor with an ST6265C or ST6260C MCU	2.1	278.05 KB	PDF
AN1448 How to reduce 3rd harmonics with ST6200C motor control software	1.5	155.81 KB	PDF
AN4363 How to select the Triac, ACS, or ACST that fits your application	2.1	361.44 KB	PDF
AN2316 Improved ST7LITE05 AC Chopper Driver Solution	1.5	434.99 KB	PDF
AN422 Improved Universal Motor Drive	1.5	111.37 KB	PDF
AN863 Improved sensorless control with the ST62 MCU for universal motor	2.4	198.77 KB	PDF
AN441 Inductive load control with AC switches	3.2	712.21 KB	PDF
AN392 Microcontrollers and TRIAC-based dimmers	2.3	132.78 KB	PDF
AN2777 New high-temperature, high-performance TRIACs for optimized vacuum cleaner designs	1.2	303.15 KB	PDF
AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting	3.6	217.19 KB	PDF
AN1015 提高微控制器 EMC 性能的软件技术	2.0	465.42 KB	PDF
AN1172 THE NEW ACS SERIES: SERIES A BREAKTHROUGH IN RUGGEDNESS & DRIVE FOR HOME APPLIANCES	2.5	282.31 KB	PDF

AN414

Controlling a brushed DC motor with an ST6265C or ST6260C MCU

Part number	Description
ACST1035-8FP	Overvoltage protected 10 A 800 V AC switch
ACST1235-8FP	Overvoltage protected AC switch
ACST1635-8FP	Overvoltage protected AC switch
T1235H	12 A - 600 V - 150 °C H-series Triacs
T1635H	16 A - 600 V - 150 °C H-series Triacs
T2035H	20 A - 600 V - 150 °C H-series Triacs
T3035H	30 A - 600 V - 150 °C H-series Triacs
T835H	8 A - 600 V - 150°C H-series Triacs

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