Description
VA7205_100-1.3_En ADVANCED LINEAR CHARGER IC For LITHIUM-ION AND LITHIUM-POLYMER Battery .
The VA7205 series advanced Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Pol) Linear Charger ICs are designed for cost-sensitive and compact portable e.
Features
* Ideal for Single (4.2V) Li-ion or Li-Polymer Packs
* Better Than ±1% Voltage Regulation Accuracy With Preset Voltage www. DataSheet4U. com
* Adjustable precharge current with an external resistor
* Adjustable Charging Current During Constant Current Charging Stage
* Con
Applications
* . Figure 3 shows the schematic of charger using a PNP pass transistor. Figure 4 is a typical charge profile. Figure 5 shows the schematic of a charger using P-Channel MOSFET. Figure 6 is an operational state diagram. 4
VA7205_100-1.3_En
www. DataSheet4U. com
Figure 3 Li-ion/Li-Pol Charger Using a