The MCP73843-420I/MS combines high accuracy constant-voltage (0.5% max), constant-current regulation, cell preconditioning, advanced safety timers, automatic charge termination, and charge status indication in a space saving MSOP-8 package. The device provides a complete, fully functional, stand-alone charge management solution for applications utilizing single cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are available, 4.1V and 4.2V, for use with either coke or graphite anodes. The MCP73843-420I/MS operates with an input voltage range of 4.5V to 12V and is fully specified over the ambient temperature range of -40°C to +85°C.
Feature
- Safety Charge Timers
- Automatic Charge Termination
- Automatic Recharge
- Charge Status Indicator
- High Accuracy Voltage Regulation: 0.5% (Max)
- Automatic Preconditioning of Deeply Depleted Cells
- Shutdown Current: 0.25µA (Typical)
- No Inductor Required
- Programmable Charge Current
- Automatic Power-Down When Input Power Removed
- –40°C to +85°C Ambient Operating Temperature range
