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LP28300 - 2A Synchronous Buck Li-ion Charger

General Description

The LP28300 is a 2A Li-Ion battery charger intended for5V wall adapters.

It utilizes a 1.5MHz synchronous buck converter topology to reduce power dissipation during charging.

Key Features

  • include shorted cell detection, temperature qualified charging and overvoltage protection. The LP28300 is available in a low profile (0.75mm) 10-lead(3mm × 3mm) DFN package. Features ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Very Low Power Dissipation 2A Maximum Charge Current No External MOSFETs and 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 Drainage Charge C.

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Datasheet Details

Part number LP28300
Manufacturer POWER
File Size 517.43 KB
Description 2A Synchronous Buck Li-ion Charger
Datasheet download datasheet LP28300 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary Datasheet LP28300 2A Synchronous Buck Li-ion Charger General Description The LP28300 is a 2A Li-Ion battery charger intended for5V wall adapters. It utilizes a 1.5MHz synchronous buck converter topology to reduce power dissipation during charging. Low power dissipation, an internal MOSFET allow a physically small charger that can be embedded in a wide range of handheld applications. The LP28300 includes complete charge termination circuitry, automatic recharge and a ±1% 4.2V float voltage. Input short-circuit protection is included so no blocking diode is required. Battery charge current, charge timeout and end-of-charge indication parameters are set with external components.