All Entries Tagged With: "Battery Charger"
Video turorial Voltage regulator tutorial & USB gadget charger circuit
This video covers the basics of linear voltage regulators – what they do, how to wire them up, and where to find them. Then I give a basic example of how to build a 5V supply that can be used to power USB powered gadgets. The LM341 and LM78MXX series of three-terminal positive voltage regulators [...]
Circuit battery charger for gelled lm117
Circuit for battery type Gel Charger using lm117 Battery charging is another application uniquely suited for the LM117. Since battery voltage is dependent on electro-chemical reactions, the charger must be designed specifically for the battery type and number of cells. Ni-Cads are easily charged with the constant current sources shown previously. For float chargers on [...]
Project circuit battery charger lead acid automotive 12 volts automatic
Circuit of charger of car batteries lead acid with the ic Lm317 That charger based on the integrated circuit LM317, regulator of adjustable tension, supplies up to 5 amperes to carry a potency battery in parallel with the regulator. The adjustment of the load current is made through the potentiometer P1. In the begin average [...]
Project Batteries charger nickel cadmium Ni-Cd e NI-MH
Batteries charger of nickel cadmium (Ni-cd) and nickel metal hidret (Ni-MH) of high efficiency with regulator lm2756 for up to 3A. That charger has an overload protection, that circuit it is for being used with pack of batteries with 5 cells Ni-cd or Ni-MH (but it can be modified for other numbers of cells). The [...]
Circuit for 50mA Constant Current Battery Charger with lm117
Two terminal current regulators can be made with fixed-output regulators; however, their high output voltage and high quiescent current limit their accuracy. With the LM117 as shown in circuit, a high performance current source useful from 10 mA to 1.5A can be made. Current regulation is typically 0.01%/V even at low currents since the quiescent [...]
