Electric Wheelchair using BLDC Motor

In this post we learn how to make a simple electric wheelchair using a standard BLDC motor driver circuit, and a couple of high power BLDC motors. Introduction The introduction of electric wheelchair was like a boon to our many differently-abled friends who now find it much easier to move and travel around, effortlessly,  with … Read moreElectric Wheelchair using BLDC Motor

High Current Sensorless BLDC Motor Controller using Back EMF

In this post we discuss a high current sensorless BLDC motor controller circuit which does not depend on hall effect sensors for initiating the operations rather utilizes the back EMF from the motor for the sequential input Overview For proper commutation most 3-phase BLDC driver circuits rely either on a sensor based feedback or from … Read moreHigh Current Sensorless BLDC Motor Controller using Back EMF

Wireless Servo Motor Control Using 2.4 GHz communication link

In this post we are going to construct a wireless servo motor circuit which can control 6 servo motors wirelessly on 2.4 GHz communication link. Introduction The project is divided into two parts: a transmitter with 6 potentiometers and a receiver circuit with 6 servo motors. The remote has 6 potentiometers to control 6 individual … Read moreWireless Servo Motor Control Using 2.4 GHz communication link

BLDC Ceiling Fan Circuit for Power Saving

Within the next few years we may find all conventional capacitor-start type of ceiling fans getting replaced with BLDC ceiling fan circuits, since the concept allows the operation to be extremely efficient and save power by more than 50%.   Replacing Capacitor Start Fan with BLDC Fan Just as the traditional incandescent lamps today are … Read moreBLDC Ceiling Fan Circuit for Power Saving

Circuit Diagram for 50V 3-Phase BLDC Motor Driver

This yet another versatile 3-phase driver device in the form of IC L6235  from ST Microelectronics allows you to drive a 50V 3-phase BLDC motor with extreme efficiency.The chip also includes all the required protection features built-in, along with an easy to configure external speed control stage. How the IC L6235 BLDC Driver Works The IC … Read moreCircuit Diagram for 50V 3-Phase BLDC Motor Driver

Compact 3-Phase IGBT Driver IC STGIPN3H60 – Datasheet, Pinout

In this post we discuss the datasheet, and the pinout specification of the IC STGIPN3H60 from ST microelectronics, which is perhaps the slimmest and the smartest 3-phase IGBT driver IC featuring in-built IGBTs, rated to work with 600V DC bus and upto 3 amp current, that’s equivalent to almost 1800 VA handling power. 3-Phase IGBT Driver … Read moreCompact 3-Phase IGBT Driver IC STGIPN3H60 – Datasheet, Pinout