CodePudding user response:

Screen printing the seizure, screen printing exactly right, don't know what you said the check yourself, http://www.smdmark.com/

CodePudding user response:

Pictures is a simple battery charging circuit, check the battery charging parameters choose a lithium battery chip itself, make a circuit design (using the table of the charge under their test voltage current parameters such as line)
Make a design better than copy board,

CodePudding user response:

Should be a switching power supply chip

CodePudding user response:

reference 1/f o lu lu response:

screen printing the seizure, screen printing exactly right, don't know you say the check yourself, http://www.smdmark.com/

Thanks for your reply

CodePudding user response:

refer to the second floor qq_708907433 response:

look at the pictures is a simple battery charging circuit, check the battery charging parameters choose a lithium battery chip itself, make a circuit design (using the table of the charge under their test voltage current parameters such as line)
Make a design better than copy board,

Ok, I try to do a, thanks for your reply

CodePudding user response:

reference 3 floor early play play nuclear response:

should be switching power supply chip

Thank you very much!