BQ25570EVM-206

Ultra Low Power Management IC, Boost Charger Nanopowered Buck Converter Evaluation Module

BQ25570EVM-206

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Overview

The bq25570 evaluation module (EVM) is a complete module for evaluating the bq25570 energy harvesting charger for storage elements like single-cell Li-Ion/Polymer batteries or super-capacitors. Intended to be powered by high impedance supplies, such as solar panels, thermo-electric generators (TEGs) or piezoelectric generators, the bq25570 regulates its input voltage so that it will not collapse its input source while charging the storage element up to a set voltage point. A power good output indicates when the charger’s storage element reaches a user set voltage level. The bq25570 has an integrated buck regulator that provides a regulated output from the charger output. With minimum changes, the EVM can also be configured as an ultra-low power boost converter, regulating the output voltage from a low impedance source, while simultaneously providing a second output voltage from the buck regulator.

Features
  • Programmable input voltage regulation setting via jumpers or resistors
  • Programmable charger output voltage maximum setting via resistors (currently 4.2V)
  • Programmable charger output voltage maximum setting via resistors (currently 1.8V)
  • Programmable power good (BAT_OK) voltage setting via resistors (currently 3.0V)
  • Multiple jumpers, connectors and test points available

 

Related Terms:

  • Efficiency Nanopower Buck Converter
  • Efficiency Boost Converter Charger
  • Li ion Battery Charger
  • Lithium ion Charger 
Battery charger ICs
BQ25570 Ultra Low power Harvester power Management IC with boost charger, and Nanopower Buck Converter

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Evaluation board

BQ25570EVM-206 – Ultra Low Power Management IC, Boost Charger Nanopowered Buck Converter Evaluation Module

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TI's Standard Terms and Conditions for Evaluation Items apply.

Design files

PWR206A Gerber Files SLUC505.ZIP (323 KB)

Technical documentation

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Type Title Date
Certificate BQ25570EVM-206 EU Declaration of Conformity (DoC) (Rev. D) Jul. 30, 2019
User guide User's Guide for bq25570 Battery Charger Evaluation Module for Energy Harvesting (Rev. A) Aug. 23, 2014
More literature Battery Management Solutions for Wearable and Fitness Devices (Rev. C) Aug. 18, 2014

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