LTC4063EDD - Brand New Linear Technology Battery Management ICs
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Description
The LTC4063 is a standalone linear charger for single cell lithium-ion batteries with an adjustable low dropout linear regulator (LDO). The adjustable LDO regulates an output voltage between 1.2V 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. With power applied, the LTC4063 can be put into shutdown mode to reduce the supply current to 35µA and the battery drain current to less than 2µA. Other features include smart recharge, undervoltage lockout, LDO current limiting, and a charge status pin to indicate when the charge cycle has completed.
Specifications and features
■ Charge Current Programmable up to 1A
■ 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 Needed
■ Thermal Regulation Maximizes Charge Rate Without Risk of Overheating*
■ Adjustable LDO Output Voltage Range: 1.2V to 4.2V
■ Programmable Charge Termination Timer
■ Programmable Charge Current Detection/Termination
■ SmartStartTM Prolongs Battery Life
■ Charge Status Output
■ 35µA Charger Quiescent Current in Shutdown
■ 15µA LDO Quiescent Current
■ Available in a Low Profile (0.75mm) 10-Lead (3mm × 3mm) DFN PackageApplication Scenarios
■ Handheld Computers
■ Portable MP3 Players
■ Digital CamerasComparison
AdvantagesNoneDisadvantagesNone -
Similar parts: 3236 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download LTC4063EDD
- Chipdatas Part: CD87-LTC4063EDD
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
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- Last Updated: 2024/06/28 22:22 +0800
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