LT3651-4.1 - Linear

LT3651-4.1 (LT3651-4.1 / LT3651-4.2) Monolithic 4A High Voltage Li-Ion Battery Charger

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. A charging cycle starts with battery insertion or when the battery voltage d.

Features

Wide Input Voltage Range: 4.8V to 32V (40V Absolute Maximum) n Programmable Charge Current Up to 4A n Selectable C/10 or Onboard Timer Termination n Dynamic Charge Rate Programming/Soft-Start n Programmable Input Current Limit n 0.5% Float Voltage Accuracy n 7.5% Charge Current Accuracy n 4% C/10 Detection Accuracy n NTC Resistor Temperature Monitor n Auto-Recharge at 97.5% Float Voltage n Auto-Precondition <70% Float Voltage n Bad Battery Detection with Auto-Reset n Average Current Mode, Synchronous Switcher n User Programmable Frequency n Low Profile (0.75mm) 5mm × 6mm 36-P.