LTC4071
Description
The LTC®4071 allows simple charging of Li-Ion/Polymer batteries from very low current, intermittent or continuous charging sources. A near-zero current low battery latching disconnect function protects even the lowest capacity batteries from deep discharge and potentially irreparable damage.
Key Features
- Low Operating Current (550nA)
- Near Zero Current (<0.1nA) Low Battery Disconnect Function to Protect Batteries from Over-Discharge
- Pin Selectable Low Battery Disconnect Level: 2.7V or 3.2V n 1% Float Voltage Accuracy Over Temperature n 50mA Maximum Internal Shunt Current
- Pin Selectable Float Voltage Options: 4.0V, 4.1V, 4.2V
- Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection
- Suitable for Intermittent, Continuous and Very Low Power Charging Sources
- High Battery Status Output
- Thermally Enhanced, Low Profile (0.75mm) 8-Lead (2mm × 3mm) DFN and MSOP Packages