LTC4096EDD#PBF

LTC4096 is a standalone linear charger that are capable of charging a single-cell Li-ion or Li-Polymer battery from both wall adapter and USB inputs. This charger can detect power at the inputs and automatically select the appropriate power source for charging. No external sense resistor or blocking diode is required for charging due to the internal MOSFET architecture. Internal thermal feedback regulates the battery charge current to maintain a constant die temperature during high power operation or high ambient temperature conditions. The float voltage is fixed at 4.2V and the charge current is programmed with an external resistor. It terminates the charge cycle when the charge current drops below the user programmed termination threshold after the final float voltage is reached. It is used in applications such as cellular telephones, MP3 players, portable handheld devices.

• Charges single-cell Li-ion battery from wall adapter and USB inputs
• Automatic input detection (DC input has charging priority)
• Charge current programmable upto 1.2A from wall adapter input
• C/X charge current termination, charge status output
• Input power present output (PWR) with 120mA drive capability
• Independent DC, USB charge current programming, automatic recharge
• Preset float voltage with ±0.6% accuracy
• Adapter supply voltage from 4.25V to 5.5V
• Operating temperature range from -40°C to 85°C
• Package style is 10-lead plastic DFN

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party