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NCP1835B - Integrated Li-Ion Charger

Description

1 VCC Input Supply Voltage.

Provides power to the charger.

This pin should be bypassed with at least a 4.7 mF ceramic capacitor to ground.

drain output indicating fault status.

This pin is pulled LOW under any fault conditions.

Features

  • Integrated Voltage and Current Regulation.
  • No External MOSFET, Sense Resistor or Blocking Diode Required.
  • Charge Current Thermal Foldback.
  • Integrated Pre.
  • charge Current for Conditioning a Deeply Discharged Battery.
  • Integrated End.
  • of.
  • Charge (EOC) Detection.
  • 1% Voltage Regulation.
  • 4.2 V Regulated Output Voltage.
  • Regulation Maintained without a Battery Present.
  • Programmable Full Charge Current.

📥 Download Datasheet

Datasheet Details

Part number NCP1835B
Manufacturer onsemi
File Size 106.88 KB
Description Integrated Li-Ion Charger
Datasheet download datasheet NCP1835B Datasheet

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Full PDF Text Transcription

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NCP1835B Integrated Li−Ion Charger NCP1835B is an integrated linear charger specifically designed to charge 1−cell Li−Ion batteries with a constant current, constant voltage (CCCV) profile. Its low input voltage capability, adjustable charge current, ability to maintain regulation without a battery, and its onboard thermal foldback make it versatile enough to charge from a variety of wall adapters. The NCP1835B can charge from a standard wall adapter or from the USB port. It has been optimized to charge low capacity batteries such as those found in wireless headsets and flash memory−based MP3 players.
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