57= (Like 57=6M / 57=4J) IC

57=6M / 57=4J, 57=6G / 57=6F / 57=6H Charging IC

57= Charging IC All Same

57 4J 57 6M 57 7B Battery Charging IC is a high quality Power Management IC designed for compatible Android mobile phones. It controls battery charging power distribution and voltage regulation to ensure stable device performance. Marking codes 57 4J 57 6M and 57 7B belong to the same IC family and are commonly interchangeable for compatible motherboard repairs. Ideal for professional mobile chip level servicing using genuine quality components.