CN3791 4A Li-Ion MPPT Solar battery charger IC

The CN3791 is a MPPT based li-ion charger IC with a maximum charge current of 4A. The input voltage of this IC is 4.5V to 28V, making it suitable for MPPT solar charging Circuits having wide solar input votlage range. The battery voltage is 4.2V thus it is a single cell charger IC having the automatic recharge, Charging status Indicator, soft start and battery over voltage protections.  The charge current is configurable upto 4A using a simple current sense resistor.

Features of CN3791  –

1. MPPT Tracking
2. Single cell battery charging
3. 4.5V-28V input voltage range
4. SSOP-10 package
5. Charge current programmable using a current sense resistor