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LTC4065EDC#TRMPBF - 

Battery Charger for 1 Cell of Li-Ion battery, 5.5V input, 4.2V / 65mA charge, DFN-6

LINEAR TECHNOLOGY LTC4065EDC#TRMPBF

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Manufacturer Part No:
LTC4065EDC#TRMPBF
Order Code:
1663910
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC4065EDC#TRMPBF is a 750mA standalone linear Li-ion Battery Charger for single cell lithium-ion batteries. Its low external component count makes the LTC4065 especially well-suited for portable applications. Furthermore, LTC4065 is specifically designed to work within USB power specifications. The CHRG pin indicates when charge current has dropped to ten percent of its programmed value (C/10). An internal timer terminates charging according to battery manufacturer specifications. No external sense resistor or blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates charge current to limit the die temperature during high power operation or high ambient temperature conditions. When the input supply (wall adapter or USB supply) is removed, the LTC4065 automatically enters a low current state, dropping battery drain current to less than 1µA. With power applied, LTC4065 can be put into shutdown mode, reducing supply current to less than 20µA.
  • C/10 charge current detection output timer termination
  • Charge current programmable up to 750mA with 5% accuracy
  • No external MOSFET, sense resistor or blocking diode required
  • Preset 4.2V float voltage with 0.6% accuracy
  • Constant-current/constant-voltage operation with thermal feedback
  • Maximize charging rate without risk of overheating
  • Charge current monitor output for gas gauging
  • Automatic recharge
  • Charges single-cell Li-ion batteries directly from USB port
  • 20µA Supply current in shutdown mode
  • Soft-start limits inrush current

Applications

Wireless, Communications & Networking, Consumer Electronics, Portable Devices

Product Information

:
Li-Ion
:
5.5V
:
4.2V
:
65mA
:
DFN
:
6Pins
:
1
:
-40°C
:
85°C
:
Cut Tape
:
-
:
MSL 1 - Unlimited
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