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  • Switchmode Single-Cell/Two-Cell Li-ion/Li Polymer Battery Charger
  • Outline

    HB6298A is an integrated 1-cell/2-cell Li-ion/Li polymer switch-mode charge management device, targeted at a wide range of portable applications. HB6298A offers integrated power FET, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small TSSOP20 package. HB6298A charges the battary in three phase: preconditioning, constant current(CC), and constant voltage(CV). The charge current is programmable with an external resistor up to 1.5A. HB6298A features cycle-by-cycle current limit, charge current thermal foldback and short circuit protection to guarantee safe operation. Additional features include NTC thermistor interface to monitor the battery temperature.


    ●High conversion efficiency charger for 1-cell/2-cell Li-ion/Li polymer battery
    ● Build-in battery detection
    ● 0.8% voltage accuracy
    ● Full charged voltage trimming by external resistors
    ● Integrated power MOSFET
    ● Soft starting
    ● 300kHz PWM Oscillator frequency
    ● Programmable charge current up to 1.5A
    ● Reverse leakage protection prevents battery drainage
    ●NTC Thermistor interface for battery temperature monitor
    ● Status outputs for LED
    ● Cycle-by-cycle current limit, charge current thermal foldback , short circuit protection
    ● 18V absolute maximum voltage rating on IN pins
    ● Ambient temperature range: -20℃~70℃


    ● Handheld devices, include medical handhelds
    ● Portable-DVD,PDA,cell phones and smart phones
    ● Portable instruments
    ● Self-charging battery packs
    ● Stand-alone chargers

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