Archives: Projects

RMS To DC Converter
This is a Precision Micro-power true RMS-to-DC converter built using LTC1966 RMS to DC Converter chip and op-amp LTC1494. The RMS to DC that is Converted by LTC1966 and op-amp is used as a post filter to improve AC Response with Offset and Gain Correction. The circuit converts the AC...
Continue Reading
Lamp Flasher with Timer IC and MOSFET for Automotive Applications
This is a mini flasher board that can drive high-power LED or a lamp, mainly designed for automotive applications. The project consists BD9555FVM-C timer chip and MOSFET. The circuit is configured as a flasher, and can also be used as a PWM driver with an adjustable duty cycle and...
Continue Reading
One Channel RF Remote Relay Switch
The project described here is one Channel RF remote receiver Relay board. The project is built using LICAL-EDC-DS001 chip from LINX. The board consists of Encoder/Decoder chip, 433Mhz RF Receiver module, 10 x jumpers to set the address, a Relay to drive the output, U2 5V regulator,...
Continue Reading
High-Voltage (180V) – High-Current (30mA) Operational Amplifier Module
This project provides a platform to evaluate the OPA462 high-voltage, high-current operational amplifier. Multiple component footprints allow the most common circuit configurations. The board accommodates high-voltage and high-current operational amplifier OPA462 from Texas...
Continue Reading
High Voltage 3-Phase Full-Wave PWM Brushless Motor Driver
The project presented here is a three-phase sinewave PWM driver for high-voltage brushless motors. The board is built using TB67B000AHG chip, which is a high-voltage IC capable of handling 600V. The TB67B000AHG has a 2-in-1 (MCP) structure of controller (sine-wave PWM / wide-angle...
Continue Reading
Over Current Alarm with 15 Segment Bar-Graph Display
This Bar-Graph Display provides a high visibility 15-Segment Bar-Graph display for current measurements. A buzzer provides audible sound when an over-current condition event occurs. The 15 segments are made with Red, Blue, Green, and yellow color LEDS. All LEDs are SMD size 1206. This...
Continue Reading
Single-Channel Smart High-Side Power Switch with Programmable Current Limit
This is a single-channel, fully-protected, high-side power switch with programmable current-limit. Full diagnostics and high-accuracy current-sense features enable intelligent control of the load. A programmable current-limit function greatly improves the reliability of the whole...
Continue Reading
Isolated USB Repeater – USB2.0
The project presented here is a USB port-powered, USB 2.0 isolator that isolates the USB host and USB device. It is a galvanically-isolated USB2.0 repeater, that supports low speed 1.5Mbps, and full speed 12Mbps communication. The project automatically connects and detects the bus...
Continue Reading