Standalone boost battery chargers with power path evaluation module


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A charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25886 evaluation module (EVM) is used for the BQ25886, a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with power path for 2s Li-Ion and Li-polymer battery. The standalone feature sets all the charging parameters by external resistors. OTG buck operation allows enables the input port to supply power from battery.

  • Easily evaluate the high-efficiency 2-A, 1.5-MHz integrated field-effect-transistor (FET), switch-mode
  • Power path management allows instant-on, works with no battery or deeply discharged battery
  • Onboard USB input adapter for connecting to USB source and communication using the D+/D- function to set default input current limit
  • Onboard test points, sense resistors, and jumpers facilitate measurement of high-efficiency- and high accuracy voltage and current regulation
Battery charger ICs
BQ25886 Standalone 2 cell 2A Boost battery charger for USB input with Power Path

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Evaluation board

BQ25886EVM – Standalone boost battery chargers with power path evaluation module

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Technical documentation

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Type Title Date
* User guide BQ25886 QFN boost-mode battery charger evaluation module Feb. 05, 2019
Certificate BQ25886EVM EU Declaration of Conformity (DoC) Oct. 09, 2020

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