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BQ24172 - Li-Ion and Li-Polymer Stand-Alone Battery Charger

Download the BQ24172 datasheet PDF. This datasheet also covers the BQ24170 variant, as both devices belong to the same li-ion and li-polymer stand-alone battery charger family and are provided as variant models within a single manufacturer datasheet.

Description

The bq2417x device is a highly integrated standalone Li-Ion and Li-Polymer switched-mode battery charger with two integrated N-channel power MOSFETs.

The device offers a constant-frequency synchronous PWM controller with high-accuracy regulation of input current, charge current, and voltage.

Features

  • 1 1.6-MHz Synchronous Switched-Mode Charger with 4-A Integrated N-MOSFETs.
  • Up to 94% Efficiency.
  • 30-V Input Rating with Adjustable Overvoltage Protection.
  • 4.5-V to 17-V Input Operating Voltage Range.
  • Battery Charge Voltage.
  • bq24170: 1-, 2-, or 3-Cell with 4.2 V/Cell.
  • bq24172: Adjustable Charge Voltage.
  • High Integration.
  • Automatic Power Path Selector Between Adapter and Battery.
  • Dynamic Power Management.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BQ24170-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
BQ24170 Li-Ion and Li-Polymer Stand-Alone Battery Charger
BQ24171 Li-Ion/Li-Polymer Battery Charger
BQ24100 Li-Ion/Li-Polymer Charger
BQ24103 Li-Ion/Li-Polymer Charger
BQ24103A Li-Ion/Li-Polymer Charger

Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24170, bq24172 SLUSAD2C – NOVEMBER 2010 – REVISED APRIL 2015 bq2417x 1.6-MHz Synchronous Switched-Mode Li-Ion and Li-Polymer Stand-Alone Battery Charger With Integrated MOSFETs and Power Path Selector 1 Features •1 1.6-MHz Synchronous Switched-Mode Charger with 4-A Integrated N-MOSFETs • Up to 94% Efficiency • 30-V Input Rating with Adjustable Overvoltage Protection – 4.5-V to 17-V Input Operating Voltage Range • Battery Charge Voltage – bq24170: 1-, 2-, or 3-Cell with 4.
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