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Not asking for a schematic, more a notion of roughly how challenging this will be.
National has a chip. Look up National Semiconductor’s LM3622 Li-Ion0xDEADBEEF said:I read a bit on wikipedia, and it doesn't seem that hard. You charge with a constant current which depends on the battery type until you hit a certain voltage according to the manufacturer's specs around 4.2V per cell, which you hold until there is almost no more current. Does that sound complicated to you? I am sure that there are already ICs available for common Li-battery types.
Bob S said:National has a chip. Look up National Semiconductor’s LM3622 Li-Ion
Battery Charger Controller chip. See also
http://www.national.com/appbriefs/files/AppBrief101.pdf
for a USB-based lithium ion battery charger circuit.
Bob S
Bob S said:National has a chip. Look up National Semiconductor’s LM3622 Li-Ion
Battery Charger Controller chip. See also
http://www.national.com/appbriefs/files/AppBrief101.pdf
for a USB-based lithium ion battery charger circuit.
Bob S
The appropriate voltage and current for a DIY Lithium Ion Battery Charger will depend on the specific battery you are trying to charge. It is important to consult the manufacturer's specifications for your battery and choose a charger that is capable of providing the correct voltage and current.
Safety should always be a top priority when working with lithium ion batteries. It is important to wear protective gear, such as gloves and safety glasses, and work in a well-ventilated area. Additionally, be sure to follow all instructions carefully and use high-quality materials to reduce the risk of fire or explosion.
No, it is not recommended to use a universal charger for a DIY Lithium Ion Battery Charger. These types of chargers are not designed specifically for lithium ion batteries and may not provide the correct voltage and current, which can be dangerous for the battery and potentially cause damage.
No, a DIY Lithium Ion Battery Charger is specifically designed for charging lithium ion batteries. Attempting to use it with other types of batteries, such as lead acid or nickel cadmium, can be dangerous and potentially damage the battery or the charger.
The cost and time commitment for building a DIY Lithium Ion Battery Charger will vary depending on the materials and tools you use. However, it is important to remember that safety should always be a top priority and using high-quality materials may increase the cost. Additionally, the time it takes to build the charger will depend on your level of experience with electronics and the complexity of the design.