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NCP3800V - SMBus Level 2 Battery Charger

Description

5 An open drain device indicates that status of the ac adaptor.

up power supply.

A high state indicates the adaptor is present.

FET(s) from the ac adaptor to the syste

Features

  • High Efficiency Current Sense Circuit.
  • Level 2 SMBus Controlled.
  • 2/3/4 Cell Li+ Battery.
  • 25 Volt Maximum Adapter Input Range.
  • 5.4 V Charge Pump Driving External N.
  • channel FET Switches.
  • Internal Loop Compensation.
  • Highly Accurate Regulation.
  • ±0.5% Charge Voltage Accuracy.
  • ±3.5% Charge Current Accuracy.
  • ±3.5% Adaptor Current Accuracy.
  • These Devices are Pb.
  • Free, Halogen Free/BFR Free.

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Datasheet Details

Part number NCP3800V
Manufacturer onsemi
File Size 215.82 KB
Description SMBus Level 2 Battery Charger
Datasheet download datasheet NCP3800V Datasheet

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Full PDF Text Transcription

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NCP3800V SMBus Level 2 Battery Charger The NCP3800V is a highly integrated Lithium−ion battery charger controller which can be programmed via the SMBus. It can be used to charge smart batteries and includes three loops for output voltage, output current and input current. External switch FETs are driven by internal charge pump drivers. Features • High Efficiency Current Sense Circuit • Level 2 SMBus Controlled • 2/3/4 Cell Li+ Battery • 25 Volt Maximum Adapter Input Range • 5.4 V Charge Pump Driving External N−channel FET Switches • Internal Loop Compensation • Highly Accurate Regulation ♦ ±0.5% Charge Voltage Accuracy ♦ ±3.5% Charge Current Accuracy ♦ ±3.
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