Great simple part which can be used to charge single lithium ion cells with a few external components.
Specifications
Product: Charge Management
Battery Type: Li-Ion
Output Current: 2 A
Operating Supply Voltage: 4.4 V to 22 V Package/Case: UMAX-8
Mounting Style: SMD/SMT
Brand: Maxim Integrated
Height: 0.95 mm
Length: 3.05 mm
Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C
Pd - Power Dissipation: 330 mW
Width: 3.05 mm datasheet: https://www.mouser.co.uk/datasheet/2/256/MAX1879-1515358.pdf