LT3651-4.1 Overview
Description
The LT®3651 is a 1 cell 4A Li-Ion/Polymer battery charger that operates over a 4.8V to 32V input voltage range. An efficient monolithic average current mode synchronous switching regulator provides constant current, constant voltage charging with programmable maximum charge current.
Key Features
- Programmable Charge Current Up to 4A
- Selectable C/10 or Onboard Timer Termination
- Dynamic Charge Rate Programming/Soft-Start
- Programmable Input Current Limit n 0.5% Float Voltage Accuracy n 7.5% Charge Current Accuracy n 4% C/10 Detection Accuracy
- NTC Resistor Temperature Monitor
- Auto-Recharge at 97.5% Float Voltage
- Auto-Precondition <70% Float Voltage
- Bad Battery Detection with Auto-Reset
- Average Current Mode, Synchronous Switcher
- User Programmable Frequency
