LT3651-4.2 - Monolithic 4A High Voltage Li-Ion Battery Charger
Linear Technology Corporation
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.
Note: The manufacturer provides a single datasheet file (LT3651-42_LinearTechnologyCorporation.pdf) that lists specifications for multiple related part numbers.
Full PDF Text Transcription for LT3651-4.2 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
LT3651-4.2. For precise diagrams, and layout, please refer to the original PDF.
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 Curr...
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e 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 b
LT3651-4.2 Datasheet
