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LTC4078 - Dual Input Li-Ion Battery Charger

This page provides the datasheet information for the LTC4078, a member of the LTC4078X Dual Input Li-Ion Battery Charger family.

Description

The LTC®4078/LTC4078X are standalone linear chargers that are capable of charging a single-cell Li-Ion/Polymer battery from both wall adapter and USB inputs.

The chargers can detect power at the inputs and automatically select the appropriate power source for charging.

Features

  • n 22V Maximum Voltage for Wall Adapter and USB Inputs n Charge Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs n Automatic Input Power Detection and Selection n Charge Current Programmable Up to 950mA from Wall Adapter Input n Overvoltage Lockout for Wall Adapter and USB Inputs n Battery Detection Input Disables Charger When No Battery is Present n No External MOSFET, Sense Resistor or Blocking Diode Needed n Thermal Regulation Maximizes Charge Rate Without Risk of Overheating.

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Datasheet preview – LTC4078

Datasheet Details

Part number LTC4078
Manufacturer Linear
File Size 191.57 KB
Description Dual Input Li-Ion Battery Charger
Datasheet download datasheet LTC4078 Datasheet
Additional preview pages of the LTC4078 datasheet.

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Full PDF Text Transcription

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LTC4078/LTC4078X Dual Input Li-Ion Battery Charger with Overvoltage Protection FEATURES n 22V Maximum Voltage for Wall Adapter and USB Inputs n Charge Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs n Automatic Input Power Detection and Selection n Charge Current Programmable Up to 950mA from Wall Adapter Input n Overvoltage Lockout for Wall Adapter and USB Inputs n Battery Detection Input Disables Charger When No Battery is Present n No External MOSFET, Sense Resistor or Blocking Diode Needed n Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* n Preset Charge Voltage with ±0.
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