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MB39A134 - DC/DC converter IC

Datasheet Summary

Description

The MB39A134 is a DC/DC converter IC for charging Li-ion battery, which is suitable for down conversion, and uses pulse width modulation (PWM) for controlling the charge voltage and current independently.

Features

  • S.
  • Support 2, 3 and 4 Cell Battery Pack Built-in two constant current control loops Built-in AC adapter detection function (ACOK pin) Charge voltage accuracy : ±0.7% (Ta =.
  • 10 °C to +85 °C) Built-in charging voltage control without external setting resistor (4.20 V/Cell or 4.10 V/Cell) Adjustable to charge voltage with external resistor Built-in two high accurate current detection amplifiers (±1%) (At input voltage difference 100.

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Datasheet preview – MB39A134

Datasheet Details

Part number MB39A134
Manufacturer Fujitsu
File Size 1.56 MB
Description DC/DC converter IC
Datasheet download datasheet MB39A134 Datasheet
Additional preview pages of the MB39A134 datasheet.

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Full PDF Text Transcription

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FUJITSU MICROELECTRONICS DATA SHEET DS04-27264-2E ASSP for Power Management Applications (Rechargeable Battery) DC/DC converter IC for Charging Li-ion battery MB39A134 ■ DESCRIPTION The MB39A134 is a DC/DC converter IC for charging Li-ion battery, which is suitable for down conversion, and uses pulse width modulation (PWM) for controlling the charge voltage and current independently. MB39A134 has a A C adapter detection compar ator i ndependent of the DC/DC con verter controller, and can control the source of po wer supply to a system.
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