Reinforced Isolated Current-Sense Amplifier with Precision ±250-mV Input, Differential output & Integrated DC/DC Converter

Reinforced Isolated Current-Sense Amplifier with Precision ±250-mV Input, Differential output & Integrated DC/DC Converter

This isolated single-supply bidirectional current sensing project can accurately measure load currents from –2A to 2A. The linear range of the input is from –250mV to 250mV with a differential output range of –2.05V to 2.05V. The gain of the circuit is fixed at 8.2V/V.  The...

Continue Reading
1.043
Views
0 Comments
High Current DC-DC Converter – 12V/6A Output from 16V to 38V DC Input

High Current DC-DC Converter – 12V/6A Output from 16V to 38V DC Input

The project presented here is a low quiescent current, synchronous buck converter featuring the LTC3807. This DC-DC converts a 16V to 38V input voltage to a 12V at 6A output. The main features of this board include an internal LDO for gate drive power from VIN or EXTVCC, RUN pins, a...

Continue Reading
1.077
Views
0 Comments
24V Boost Converter from 4.5V to 20V Input

24V Boost Converter from 4.5V to 20V Input

The project presented here is a boost converter with 24V output from 4.5V to 20V DC Input. The project is built using an LT8357 chip and configured as a boost converter. Under voltage lockout, and soft-start are a few key features of the project. LED D1 indicates the output, and screw...

Continue Reading
1.059
Views
0 Comments
Stepdown DC-DC Converter with Current Limit

Stepdown DC-DC Converter with Current Limit

The step-down DC-DC Converter project presented here provides 3.3V @ 1A output from an input range of 8V to 36V DC. The adjustable current limit is an important feature of the project, which prevents the device from accidental output short circuits avoiding excessive load damage. The...

Continue Reading
1.079
Views
0 Comments
Step Up DC-DC Converter – 24V/10mA Output from 12V DC Input – Compatible to TO220 LDO

Step Up DC-DC Converter – 24V/10mA Output from 12V DC Input – Compatible to TO220 LDO

The project demonstrated here is a small-size solution, high-efficiency, low-cost, and low-EMI step-up DC/DC module for LDO regulator replacement. This small size module helps save on solution size and cost while also eliminating the need for a heatsink. The module takes up the same...

Continue Reading
1.045
Views
0 Comments
Li-Ion/Li-Po 18650 Battery to 5V Boost Converter

Li-Ion/Li-Po 18650 Battery to 5V Boost Converter

The project presented here is capable of supplying 400mA of current from a 3.7V Li-Ion/Li-Po Battery input with a 5V output. The converter has an internal soft start and internal frequency compensation features. The project is built using LTC3426 SOT23-6 chip. The LTC3426 chip is in a...

Continue Reading
1.134
Views
0 Comments
High Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter

High Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter

This project enables the user to create a high current DC-DC converter. The project consists of a high current inductor, high current low voltage 2 x MOSFETs, half-bridge driver LT1158 chip, voltage feedback using onboard R9 and R10 resistor dividers, shunt resistor for overcurrent...

Continue Reading
1.124
Views
0 Comments
3V to 5V DC Output Step-Up DC-DC Converter using MAX668

3V to 5V DC Output Step-Up DC-DC Converter using MAX668

The project presented here is a powerful constant-frequency, pulse-width modulating (PWM), current-mode step-up DC-DC switching regulator efficiently producing 5V from input voltages between 3V to 5V. The project can be used in a portable device that works with a battery. The module...

Continue Reading
1.160
Views
0 Comments
Subscribe to Blog via Email

After subscribing you can choose how often you will receive our updates: https://wordpress.com/following/manage

Join 97,447 other subscribers
Archives