TP4057 charging management IC to can to connect with the lamp? (200 ma) lamp:

CodePudding user response:

The LED? How many V?
If the same power supply network, a total of,
In addition, single point grounding, you baidu this concept,

CodePudding user response:

reference 1/f, fat light response:

LED? How many V?
If the same power supply network, a total of,
In addition, single point grounding, you baidu this concept,

Should be different power supply network, take power from USB charging management, light take electricity from the battery positive electrode, and if not charge while put problems should not, if the charge and discharge may be fever,