Advertisement
mcp1640 single cell to 3.3v boost converter

1.2V/1.5V Single Cell to 3.3V Boost Converter

P. Marian - 01/23/15

Sometimes I need a 3.3V power source but the only one that I have are the 1.2 volt [...]
1.5v to 3v boost converter

One Battery to 3 Volts Step-up (Boost) Converter

P. Marian - 01/21/15

With the help of this simple circuit you will be able to convert any voltage between 0.9V and [...]
36V Battery Level Indicator circuit

36V Battery Level Indicator

Jim Keith - 01/12/15

This battery level indicator offers (5) LEDs that light up progressively as the battery voltage increases. This is [...]
SMPS hack

Hack the PC SMPS!

T.K. Hareendran - 01/12/15

Modern personal computers (PC) use well designed, rich capacity and reliable switch mode power supplies (SMPS), which ought [...]
SCR 12V to 5V USB Converter Schematic 3

SCR 12V to 5V USB Converter

Jim Keith - 12/23/14

SCRs are the switching devices for this unusual DC to DC converter that is suited for the ubiquitous [...]
USB Car Charger circuit

USB Car Charger with LM2596

T.K. Hareendran - 12/09/14

This usb car charger was designed with the aim of providing an onboard usb power outlet for charging/running [...]
SCR DC to DC Converter Evaluation Circuit

SCR (Reverse Blocking Thyristors) DC to DC Converter

Jim Keith - 11/24/14

Two series SCRs (reverse blocking thyristors) are unlikely switching devices for this DC to DC converter. This topology [...]
PFM module

PFM Module – Circuit Surgery

T.K. Hareendran - 11/05/14

Today, it is very easy to build our dream projects within the stipulated time, because almost all supporting [...]
High Voltage Switching Regulator 24V

LM5008 High Voltage Switching Regulator

Jim Keith - 09/23/14

What do you do when your maximum input voltage = 90V and /or linear regulator has unreasonable power [...]
alkaline battery regenerator

Regenerating Alkaline Batteries

joribo - 09/21/14

We regenerate these type of alkaline batteries here: http://en.wikipedia.org/wiki/Alkaline_battery (not normal rechargable ones...) The Schematic The schematic is [...]
Ni-MH Batteries balancer

Balancing Ni-MH Battery Packs

joribo - 09/08/14

There are still a lot of hand-held tools in use with Ni-Cd or Ni-MH batteries. The simple charger [...]
12V universal charger

XL6009 12V Universal Charger for Laptop/Notebook

T.K. Hareendran - 07/21/14

I recently failed to resist buying a compact power module from eBay for almost nothing! As usual, thereafter [...]
Looking for the latest from TI?