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LT3651-4.2 - Monolithic 4A High Voltage Li-Ion Battery Charger

Download the LT3651-4.2 datasheet PDF. This datasheet also covers the LT3651-42 variant, as both devices belong to the same monolithic 4a high voltage li-ion battery charger family and are provided as variant models within a single manufacturer datasheet.

General Description

The LT®3651 is a 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

  • 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LT3651-42_LinearTechnologyCorporation.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number LT3651-4.2
Manufacturer Linear Technology Corporation
File Size 322.03 KB
Description Monolithic 4A High Voltage Li-Ion Battery Charger
Datasheet download datasheet LT3651-4.2 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DataSheet.in LT3651-4.2 Monolithic 4A High Voltage Li-Ion Battery Charger 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-Pin QFN Package n Description The LT®3651 is a 4A Li-Ion/Polymer battery charger that operates over a 4.