Looking for least expensive solution for this : isolated in/out charger operating from either 120 v 60 Hz or a DC and output 4.2 volts operating as a CC/CV charger for lithium cells. Will be used for string of cells charging.
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Looking for least expensive solution for this : isolated in/out charger operating from either 120 v 60 Hz or a DC and output 4.2 volts operating as a CC/CV charger for lithium cells. Will be used for string of cells charging.
The UCC28700 has several reference designs with a CV/CC output.
Please review the designs at
www.ti.com/.../toolssoftware
This is probably the simplest and least expensive part to choose.
john Griffin