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LP28056S - 1.2A Single-chip Li-ion and Li-POL Charge

General Description

The LP28056S is a complete constant-current / constant-voltage linear charger for single cell lithium-ion batteries.

Its ESOP-8 package and low external component count make the LP28056S ideally suited for portable applications.

Key Features

  • include charge current monitor, under voltage lockout, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage. Order Information LP28056S.
  • F: Pb-Free Package Type SP: ESOP-8 Features.
  • Programmable Charge Current Up to 1200mA.
  • No MOSFET, Sense Resistor or Blocking Diode Required.
  • Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating.

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Datasheet Details

Part number LP28056S
Manufacturer Lowpowersemi
File Size 491.52 KB
Description 1.2A Single-chip Li-ion and Li-POL Charge
Datasheet download datasheet LP28056S Datasheet

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Full PDF Text Transcription (Reference)

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Preliminary Datasheet LP28056S 1.2A Single-chip Li-ion and Li-POL Charge General Description The LP28056S is a complete constant-current / constant-voltage linear charger for single cell lithium-ion batteries. Its ESOP-8 package and low external component count make the LP28056S ideally suited for portable applications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charge current can be ISET rammed externally with a single resistor.