16 October, 2009 (12:13) | Other Circuits | By:
Izahr Fareed
http://www.Circuit-Lab.com
ExtremeCircuits.Blogspot.Com
Charge your iPod without connecting it to a computer!
Using the USB port on your computer to charge your player’s batteries is not always practical. What if you do not have a computer available at the time or if you do not want to power up a computer just for charging? Or what if you [...]
Tags: 1n5819, 5v supply, A, battery charger circuit, charger, circuit, circuit bottom, input, iPod, K
R, R
C, R
R, SiliconChip, USB, usb socket, V
C, V DC, V DCInput, V inOutput, V inputInput, V inputNo, V outInput, V
D, V
Output
Comments: 5
10 October, 2009 (13:08) | power supply | By:
This battery charger is for 12V Seales Lead Acid (SLA) battery. It is actually a half-wave rectifier. It only charges the battery on every half cycle. The plug pack doesn’t like this as it leaves residual flux in the core of the transformer and causes it to overheat.
There are a number of points we need [...]
Tags: Amazon, Battery, charger, half wave rectifier, lead acid batteries, sealed lead acid batteries, SLA, V Seales
Comments: -
25 September, 2009 (22:19) | power supply | By:
This Batteries Charger is intended for charging sealed lead-acid batteries with a solar panel in small and portable applications. The customary diode that prevents the battery from discharging through the solar panel has been replaced by a FET-comparator combination.
The batteries charger will stop charging once a pre-set voltage (temperature compensated) has been reached, and recommence [...]
Tags: charger, dc dc converters, lead acid batteries, nbsp, PCB, sealed lead acid batteries, V.
Solar
Comments: 1