sim548c module heating problem

[nagarajkumark]

hi anyone help me. i have one problem. now i am working in sim548c module. i did given to 5v to VCHG pin using lm2576 regulator, next connect the 3.7v li-ion battery to VBAT pin of the module. at the same time regulator and module is totally heated. what to do?
u know that solution please reply shortly.
thanks.

 

[rongo024]

See the Batch number of LM2576...

 

[nagarajkumark]

ok now i solved that problem. Audio circuit is the new problem in my sim548c module. can u give me any suggestion.

 

[zar7e7]

Hello , See that picture https://obrazki.elektroda.pl/48_1264140365.jpg
for Audio. It works very well, Actually I was wondering if you could send me more battery charge information, thank you