BQ24072 USB Li-Ion Battery Charger and Power-Path Management Evaluation Module | Linear


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This user’s guide describes the bq24072/3/4/5/9(T) and bq24230/2 (bqTiny-III™) evaluation module (EVM). The EVM provides a convenient method for evaluating the performance of a charge management and system power solution for portable applications using the bq24072/3/4/5/9(T) and bq24230/2 product families. A completely designed and tested module is presented. The charger is designed to deliver up to 1.5 A of continuous current to the system or charger for one-cell Li-ion or Li-polymer applications (see the data sheet for correct device) using a dc power supply. The charger is programmed from the factory to deliver 0.9 A of charging current. This EVM was designed as a stand-alone evaluation module, but it also can be interfaced with the system and host via the connectors and headers.

  • Input current limiting: 100 or 500 mA for USB, user-programmable for non-USB applications
  • Input voltage dynamic power management
  • 28V max Vin with OVP
  • Dynamic Power Management with integrated input and charge FETs
  • Voltage or current based thermister input options available
Battery charger ICs
BQ24072 Standalone 1-cell 1.5-A linear battery charger, Power Path, 4.2-V VBAT and VOUT=VBAT + 225mV

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Evaluation board

BQ24072EVM — BQ24072 BQ24072 USB Li-Ion Battery Charger and Power-Path Management Evaluation Module Linear

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Technical documentation

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Type Title Date
* User guide bq24072/3/4/5/9(T) and bq24230/2 1.5-A Single-Chip Li-Ion (Rev. E) Jan. 03, 2017
Data sheet BQ2407x Standalone 1-Cell 1.5-A Linear Battery Charger with PowerPath datasheet (Rev. N) Oct. 27, 2021
Certificate BQ24072EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet bq2407x 1.5-A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC datasheet (Rev. L) Jun. 26, 2018

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