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bq25570 - nano power boost charger and buck converter

Datasheet Summary

Description

The bq25570 device is specifically designed to efficiently extract microwatts (µW) to milliwatts (mW) of power generated from a variety of high output impedance DC sources like photovoltaic (solar) or thermal electric generators (TEG) without collapsing those sources.

Features

  • 1 Ultra Low Power DC-DC Boost Charger.
  • Cold-Start Voltage: VIN ≥ 600 mV.
  • Continuous Energy Harvesting From VIN as low as 100 mV.
  • Input Voltage Regulation Prevents Collapsing High Impedance Input Sources.
  • Full Operating Quiescent Current of 488 nA (typical).
  • Ship Mode with < 5 nA From Battery.
  • Energy Storage.
  • Energy can be Stored to Re-chargeable Li-ion Batteries, Thin-film Batteries, Supercapacitors, or Conventional Capacito.

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Datasheet preview – bq25570

Datasheet Details

Part number bq25570
Manufacturer Texas Instruments
File Size 1.90 MB
Description nano power boost charger and buck converter
Datasheet download datasheet bq25570 Datasheet
Additional preview pages of the bq25570 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community bq25570 SLUSBH2G – MARCH 2013 – REVISED MARCH 2019 bq25570 nano power boost charger and buck converter for energy harvester powered applications VRDIV VBAT_OV OK_PROG OK_HYST VOUT_SET Efficiency (%) 1 Features •1 Ultra Low Power DC-DC Boost Charger – Cold-Start Voltage: VIN ≥ 600 mV – Continuous Energy Harvesting From VIN as low as 100 mV – Input Voltage Regulation Prevents Collapsing High Impedance Input Sources – Full Operating Quiescent Current of 488 nA (typical) – Ship Mode with < 5 nA From Battery • Energy Storage – Energy can be Stored to Re-chargeable Li-ion Batteries, Thin-film Batteries, Supercapacitors, or Conventional Capacitors • Battery Charging and Protection – Internally Set Undervoltag
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