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MM3439 - Lithium-ion battery charge controller

Features

  • 1. Built-in power switch for switching between AC adaptor/USB, and built-in charging control function. The IC controls the power supply from the AC adaptor, USB and lithium ion secondary battery. 2. The power supply is controlled to fit the charging temperature profile for safe and highly efficient charging. Thanks to control using I2C, the charging temperature profile can be altered. 3. The switch mode charge control format allows a large c.

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Datasheet Details

Part number MM3439
Manufacturer MITSUMI
File Size 165.96 KB
Description Lithium-ion battery charge controller
Datasheet download datasheet MM3439 Datasheet
Additional preview pages of the MM3439 datasheet.

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Full PDF Text Transcription

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MITSUMI Lithium-Ion Battery Charge Control IC MM3439 Lithium-Ion Battery Charge Control IC Monolithic IC MM3439 Outline This IC is a Mitsumi has developed an IC that monitors 3 power supplies constituted by an AC adaptor, the USB port, and lithium ion secondary battery and controls the system drive power supply and the charging. The charging control is adapted to the battery temperature profile. The IC is equipped with safe and highly efficient switch mode charging control to realize optimal power management for the mobile device. Features 1. Built-in power switch for switching between AC adaptor/USB, and built-in charging control function. The IC controls the power supply from the AC adaptor, USB and lithium ion secondary battery. 2.
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