If you want to build a very heavy power inverter or when you want to make a high frequency induction heater, or when you want to make a lab grade variable SMPS, then getting precise control over both output voltage and current is a major engineering hurdle. Most standard designs using the classic SG3525 PWM […]
Inverter Circuits
Can EGS002 Work With a Standard 16 × 2 LCD?
Many people build inverter using EGS002, then they ask can we connect normal 16 × 2 LCD or not?? So the answer is yes, but not the way you may think. Understanding LCD Side Of EGS002 As we all know EGS002 is built around EG8010. That chip is dedicated SPWM sine wave inverter controller IC, […]
Replicating an EGS002 Equivalent Board using Arduino
The EGS002 board is nothing but a combination of a microcontroller with a H-bridge driver like the IR2110. So if you are interested to build your own EGS002 equivalent board with exactly identical features, then you can do it using the instructions given in the following article. So, here we are trying to build our […]
Simple H-Bridge Circuits Using BJTs and MOSFETs | No Need of Driver ICs
An H-bridge is one very useful circuit arrangement which lets us reverse the polarity across a load, so now with one DC supply we can make current flow through the load in both directions alternately. Because of that, these H-bridge circuits get used in many places like DC to AC inverter circuits, transformer drivers, bidirectional […]
How to Upgrade EGS002 Inverter to 5kVA Level
In this article I will explain how to upgrade an EGS002 inverter board to 5kVA power level using the HCPL-3120 or HCPL-J312 opto isolated drivers with isolated inputs and isolated power supply stages. However, the low side MOSFETs are driven through ordinary BJT totem pole configuration such as by using BD139 and BD140 transistor pairs. […]
Parallel MOSFET Calculator Tool: How to Connect MOSFETs in Parallel Safely
The following calculator tool can be used to correctly calculate all the parameters essential for connecting many number of MOSFETs in parallel. This ensures the current handling by the MOSFETs is implemented optimally, without any issues or technical errors, and keeps the MOSFETs safe for long term operations. MOSFET Parallel Calculator Total Load Current (Amps) […]