Home » LM338

18650 2600mAh Battery Datasheet and Working

In this article we will try to understand the main specifications and datasheet of the Li-Ion cell 18650 2600 mAh, which is one of the most popular Li-ion batteries, and preferred by all electronic professionals due to its high efficiency, in terms power delivery and compact dimensions.     Li-Ion batteries are one of the … Read more18650 2600mAh Battery Datasheet and Working

3 Solid-State IC Based 220V Adjustable Power Supply Circuits

Three simple yet efficient 220V IC based solid state transformerless adjustable solid-state power supply circuits are discussed here. The first one works using a single IC SR087. The design does not depend on high value capacitors or inductors and yet is capable of delivering 100mA current to the attache load. 1) Main Features and Board … Read more3 Solid-State IC Based 220V Adjustable Power Supply Circuits

Timer Based Cell Phone Charger Circuit

A simple cell phone charger with timer circuit is presented in the following article, which could be used for charging a given Mobile phone for a specified predetermined length of time. The idea was requested by Mr. Saad. Circuit Objectives and Requirements Could you design me this charger circuit ? Input 230V 60 Hz, and the … Read moreTimer Based Cell Phone Charger Circuit

High Current Wireless Battery Charger Circuit

In this article we learn regarding how to design and make your own customized high current wireless battery charger circuit using wireless power transfer concept. Introduction In many of my earlier articles I have comprehensively discussed wireless power transfer, in this article we will go a step ahead and try to learn how to design … Read moreHigh Current Wireless Battery Charger Circuit

0-60V LM317HV Variable Power Supply Circuit

The high voltage LM317HV series of ICs will allow to go beyond the traditional voltage limits of an LM317 IC and enable controlling supplies that may be as high as 60V. 0-60V Regulation with a Single IC LM317 Therefore now you can build a universal 0-60V regulated power supply circuit loaded with all the essential … Read more0-60V LM317HV Variable Power Supply Circuit

Opamp Battery Charger Circuit with Auto Cut Off

The post discusses a two opamp IC 741 and LM358 based auto cut off battery charger circuits which are not only accurate with its features but also allows a hassle free and quick setting up of its high/low cut-off threshold limits. The idea was requested by Mr. Mamdouh. Circuit Objectives and Requirements As soon as … Read moreOpamp Battery Charger Circuit with Auto Cut Off

Do NOT follow this link or you will be banned from the site!