LTC4078X
Description
The LTC®4078/LTC4078X are standalone linear chargers that are capable of charging a single-cell Li-Ion/Polymer battery from both wall adapter and USB inputs. The chargers can detect power at the inputs and automatically select the appropriate power source for charging.
Key Features
- Charge Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs
- Automatic Input Power Detection and Selection
- Charge Current Programmable Up to 950mA from Wall Adapter Input
- Overvoltage Lockout for Wall Adapter and USB Inputs
- Battery Detection Input Disables Charger When No Battery is Present
- No External MOSFET, Sense Resistor or Blocking Diode Needed
- Thermal Regulation Maximizes Charge Rate Without Risk of Overheating*
- Preset Charge Voltage with ±0.6% Accuracy
- Programmable Charge Current Termination n 40μA USB Suspend Current in Shutdown
- Charge Status Output
