This is a MAX1811 based USB charger that can handle both Lithium Ion and Lithium Polymer 3.7V battery. It requires very few external components and provides ability to select between 4.1v and 4.2v battery regulation for different types of LiPo batteries. You can select between either 100mA and 500mA current charging mode and LED provides [...]
Lithium-Ion Linear Battery Charger with Thermistor Interface LTC4050, pdf file The LTC® 4050-4.1/LTC4050-4.2 are complete standalone constant-current/constant-voltage linear charge control-lers for lithium-ion (Li-Ion) batteries. Charge current is programmable and final float voltage has ±1% accuracy. When the input supply is removed, the LTC4050 automatically enters a low quiescent current sleep mode, dropping the battery drain [...]
Entries (RSS)
Link electronics
Copyright © 2010. All rights reserved. Any circuit and content represented are property of owner.