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CST4056E - Standalone Linear Li-lon Battery Charger

Datasheet Summary

Description

CST4056E is a complete CC/CV linear charger for single cell lithium-ion batteries.

to work within USB power Specifications.No external sense resistor is needed and no blocking diode is required due to the internal P-MOSFET architecture.

Features

  • Programmable Charge Current Up to 1A.
  • Preset 4.2V charge voltage with ±1% accuracy.
  • No MOSFET,Sense Resistor or blocking Diode Required.
  • Constant-Current/Constant-Voltage operation with Thermal Regulation to maximize Charge Rate Without Risk of overheating.
  • Charges Single Cell Li-Ion Batteries Directly from USB port.
  • Automatic recharge.
  • Battery Reverse Polarity Voltage Protection.
  • Charge Status Output Pin Two Status Indic.

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Datasheet preview – CST4056E

Datasheet Details

Part number CST4056E
Manufacturer ChipSourceTek
File Size 1.60 MB
Description Standalone Linear Li-lon Battery Charger
Datasheet download datasheet CST4056E Datasheet
Additional preview pages of the CST4056E datasheet.

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Full PDF Text Transcription

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ChpSourceTek CST4056E 1A ;Standalone Linear Li-lon Battery Charger CST4056E Features • Programmable Charge Current Up to 1A • Preset 4.2V charge voltage with ±1% accuracy • No MOSFET,Sense Resistor or blocking Diode Required • Constant-Current/Constant-Voltage operation with Thermal Regulation to maximize Charge Rate Without Risk of overheating • Charges Single Cell Li-Ion Batteries Directly from USB port • Automatic recharge • Battery Reverse Polarity Voltage Protection • Charge Status Output Pin Two Status Indication for Charge status • C/10 Charge Termination • 35µA Supply Current in Shutdown • 2.
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