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      Product Information
      Your Position Product
      - Voltage detector IC
      - Reset IC
      - 1-Cell Li+ Battery Charger IC
      - 2-Cell Lithium Battery Charger IC
      - Multi-Cell Li+ Battery Charger IC
      - LA Battery Charger IC
      - LiFePO4 Battery Charger IC
      - Solar Panel-Powered Charger IC
      - NIMH Battery Charger IC
      - Li+ Titanate Battery Charger IC
      - WLED Driver
      - DC-DC Converter
      - N-channel MOSFET
      - P-channel MOSFET
      - Amplifiers
      2A, Single-Cell Li-ion Battery Charger IC
      With Photovoltaic Cell MPPT Function
      Product Profile
          Application Note
      General Description
      The CN3796 is a highly-integrated switch-mode single-cell lithium ion and lithium polymer battery charger IC that can be powered by photovoltaic cell with maximum power point tracking function with few external components.
      The CN3796 is specially designed for charging single-cell lithium ion battery with constant current and constant voltage mode. In constant voltage mode, the regulation voltage is fixed at 4.2V with 1% accuracy. The constant charge current is set with an external current sense resistor.
      Deeply discharged batteries are automatically trickle charged until the cell voltage exceeds 58.3% of the regulation voltage. The charge cycle is terminated once the charge current drops to 21% of full-scale current, and a new charge cycle automatically restarts if the battery voltage falls below 95.8% of regulation voltage. CN3796 will automatically enter sleep mode when input voltage is lower than battery voltage.
      Other features include short battery protection, battery over voltage protection, over temperature protection and 2 status indications, etc..
      CN3796 is available in thermally-enhanced 10-pin SSOP package.
      Power Bank Hand-held Equipment
      E-Cigarette Portable Industrial and Medical Equipment
      Standalone Battery Chargers
      Photovoltaic Cell Maximum Power Point Tracking
      Input Voltage: 4.5V to 6.5V
      Complete Charge Controller for single cell Lithium-ion Battery
      Charge Current Up to 2A
      PFM Operation Mode
      Regulation Voltage: 4.2V1%
      Charging Current is programmed with a current sense resistor
      Automatic Charge Current Adjustment according to Loading Capability of Input Supply
      Automatic Conditioning of Deeply Discharged Batteries
      Automatic Recharge
      Short Battery Protection
      Charging Status Indication
      Over Temperature Protection
      Battery Overvoltage Protection
      Operating Ambient Temperature 40 to 85
      Available in 10 Pin SSOP Package
      Pb-free,Rohs-Compliant,Halogen Free
      Application Note
      Copyright©2004-2022  Shanghai Consonance Electronics Incorporated. All rights reserved.
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