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LT3651-8.2 Datasheet Monolithic 4A High Voltage 2-Cell Li-Ion Battery Charger

Manufacturer: Linear Technology (now Analog Devices)

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General Description

n Wide Input Voltage Range: 9V 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 at <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-Lead QFN Package APPLICATIONS n Industrial Handheld Instruments n 12V to 24V Automotive and Heavy Equipment n Desktop Cradle Chargers n Notebook Computers L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

The LT®3651-8.2/LT3651-8.4 are 2-cell, 4A Li-Ion/Polymer battery chargers that operate over a 9V to 32V input voltage range.

Overview

LT3651-8.2/LT3651-8.4 Monolithic 4A High Voltage 2-Cell Li-Ion Battery.

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