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  1. LTC4054L-4.2
    Production
    Product
    Linear Battery Chargers
    150mA Standalone Linear Li-Ion Battery Charger in ThinSOT
    LTC4054L-4.2

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  2. LTC4054L-4.2 - Battery Charger IC
    LTspice
    LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

    ASC

    0.71 K

  3. LTC4054L-4.2: 150mA Standalone Linear Li-Ion Battery Charger in ThinSOT Data Sheet
    Data Sheet

    PDF

    215.00K

  4. LTC4054X-4.2
    Production
    Product
    Linear Battery Chargers
    Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT
    LTC4054X-4.2

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  5. LTC4054-4.2
    Production
    Product
    Linear Battery Chargers
    Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT
    LTC4054-4.2

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    Datasheet

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  6. LTC4054X-4.2 - Battery Charger IC
    LTspice
    LTspice? is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

    ASC

    1.01 K

  7. LTC4054-4.2 - Battery Charger IC
    LTspice
    LTspice? is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

    ASC

    1.03 K

  8. DC569A - Demo Manual
    User Guide

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    556.00K

  9. What’s New with LTspice IV?
    LT Journal

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    267.00K

  10. LTC4052-4.2
    Production
    Product
    Pulse Battery Chargers
    Lithium-Ion Battery Pulse Charger with Overcurrent Protection
    LTC4052-4.2

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    1. Pulsed Input Supply Voltage for LTC4054-4.2

      Forum Thread
      Answered
      Power Management
      22 November, 2018
      Hello ! In our application energy harvesting provides pulsed input supply voltage 4.9V (peak) on VCC pin LTC4054-4.2. LTC4054-4.2 in our application provide 27mA charge current to li-ion battery. We are satisfied with the charge current to li-ion battery from this pulsed power supply …
      LTC4054battery charger

    2. LTC4054-4.2 R_prog

      Forum Thread
      Answered
      Power Management
      29 May, 2023
      Just to get verify on LTC4054-4.2, programming resistor value. As per datasheet, I have selected 20mA (0.286C) constant charging current. In order to fix 20mA charging current on LTC4054-4.2, R_prog = 1000/(0.020) = 50kOhm Is this correct resistor value to proceed with this IC?
      hardware

    3. RE: Pulsed Input Supply Voltage for LTC4054-4.2

      Forum Reply
      Power Management
      05 December, 2018
      If the battery is charging and terminating normally, then I don't see a problem. That said, you should look at the charge voltage/current on a scope and ensure that you don't see oscillations.

    4. RE: Pulsed Input Supply Voltage for LTC4054-4.2

      Forum Reply
      Power Management
      27 November, 2018
      … by formula from Datasheet. This meander created from pulsed voltage on our power source.Oscillation frequency is ~ 3.7KHz.Is stable operation LTC4054-4.2 from such a pulsating power source possible? P.S. Our power supply is strictly less than adheres to values MAX electrical characteristic LTC4054-4.2.

    5. RE: Pulsed Input Supply Voltage for LTC4054-4.2

      Forum Reply
      Power Management
      27 November, 2018
      Hello, This could be just fine. You should take a look at the termination of charge. Make sure that the termination is still working correctly and that the battery does not get over-charged with time. The plot seems to show the voltage going up to 1V? I don't …

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