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Manufacturer / Brand: AD
Details: Lithium-Ion Battery Pulse Chargers with Overcurrent Protection
Series: LTC1730
Quantity Available: Over 56320 pieces

Datasheet for LTC1730:

LTC1730 datasheet
Price for LTC1730
Product Parameters
  • Manufacturer Part Number : LTC1730
  • Manufacturer : AD
  • Description : Lithium-Ion Battery Pulse Chargers with Overcurrent Protection
  • Series : LTC1730
  • Reference Price : USD 1.64
  • Our Price : We have a better price, contact us by email
  • Product Type : Battery Management
  • Function : Battery Charger IC
  • Current Suggest : Production
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTC1730
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Related IC Components
Features and Benefits of LTC1730
Product Detailed Description for LTC1730

The LTC1730 is a complete pulse charger for 1-cell lithium-ion batteries. When charging a depleted cell, the internal MOSFET is fully on allowing the current limited input power source to provide charge current to the battery, virtually eliminating heat generation in the charger.

As the battery accepts charge and approaches the programmed voltage, the internal MOSFET begins switching off and on with the duty cycle gradually decreasing as the battery approaches a fully charged condition. A programmable timer ends the charge cycle. The end-of-charge condition is indicated at the CHRG pin when the average charge current falls to C/10. Removing the input voltage puts the LTC1730 into a sleep mode, dropping the battery current drain to less than 1µA (maximum).

An external sense resistor limits the maximum charge current as a safety precaution against a user connecting a wall adapter with the incorrect or no current limit. The internal MOSFET prevents reverse battery current from flowing if the input voltage is shorted to ground, eliminating the need for a blocking diode.

The LTC1730-4 is available in the 16-pin SSOP package and the LTC1730-4.2 is available in the 8-pin SO package.

Applications

  • Standalone Lithium-Ion Battery Charger
  • Handheld Computers
  • Cellular Telephones
Lifecycle information of LTC1730

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

LTC1730 More photos
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