LTC4059A Description
U U LTC4059/LTC4059A 900mA Linear Li-Ion Battery Chargers with Thermal Regulation in 2 × 2 DFN.
LTC4059A Key Features
- Programmable Charge Current Up to 900mA
- Charge Current Monitor Output for Charge
- Constant-Current Source Mode for Charging Nickel Batteries (LTC4059 Only)
- ACPR Pin Indicates Presence of Input Supply (LTC4059A Only)
- No External MOSFET, Sense Resistor or Blocking Diode Required
- Operating Supply Voltage from 3.75V to 8V
- Charges Single Cell Li-Ion Batteries Directly from USB Port
- Preset 4.2V Charge Voltage with 0.6% Accuracy
- 10µA Supply Current in Shutdown Mode
- Tiny 6-Lead (2mm × 2mm) DFN Package