Battery Charger for 1 Cell of Li-Ion battery, 8V input, 4.2V / 840mA charge, DFN-10

LTC4063EDD#PBF - Battery Charger for 1 Cell of Li-Ion battery, 8V input, 4.2V / 840mA charge, DFN-10

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Product Overview

The LTC4063EDD#PBF is a standalone Linear Charger for single cell Li-ion batteries with an adjustable low dropout linear regulator. The adjustable LDO regulates an output voltage between 1.2 to 4.2V at up to 100mA load current. When the input supply (wall adapter or USB supply) is removed, the LDO regulates the output voltage without interruption. The battery charger and LDO regulator can be enabled individually. No external sense resistor or external blocking diode is required for charging due to the internal MOSFET architecture. Internal thermal feedback regulates the charge current to maintain a constant die temperature during high power operation or high ambient temperature conditions. The float voltage is fixed at 4.2V and the charge current is programmed with an external resistor. Charge termination methods include minimum charge current or maximum time.
  • Integrated 100mA Adjustable low dropout linear regulator
  • Charges single cell Li-ion batteries directly from USB port
  • Preset charge voltage with ±0.35% accuracy
  • No external MOSFET, sense resistor or blocking diode required
  • Thermal regulation maximizes charge rate without risk of overheating
  • Programmable charge termination timer
  • Programmable charge current detection/termination
  • SmartStart™ prolongs battery life
  • Charge status output
  • 35µA Charger quiescent current in shutdown
  • 15µA LDO quiescent current


Consumer Electronics, Portable Devices, Power Management

Product Information

MSL 1 - Unlimited
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